Keysight TC721DCndash50 GHz Variable AttenuatorSndashParameters

Technical Overview

02 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

IntroductionThe TC721 is a voltage variable attenuator that operates from DC to 50 GHz This application note consists of sndashparameter data tables at the following attenuation levels

ndash Minimum

ndash 7 dB

ndash 12 dB

ndash 17 dB

ndash 22 dB

ndash 27 dB Maximum

The sndashparameters cover the frequency range of 15ndash265 GHz and were obtained from onndashwafer measurements

03 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 1 Sndashparameters (TA = 25 degC)1

Minimum Attenuation Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash324 0024 ndash7991ndash283 0038 ndash8077ndash277 0041 ndash9193ndash267 0046 ndash10679ndash251 0056 ndash10568ndash238 0064 ndash11410ndash234 0067 ndash12248ndash227 0073 ndash12590ndash220 0080 ndash13364ndash218 0081 ndash13835ndash214 0085 ndash14158ndash209 0090 ndash14684ndash208 0091 ndash15080ndash205 0095 ndash15601ndash202 0098 ndash15927ndash202 0098 ndash16275ndash199 0101 ndash16692ndash196 0105 ndash16981ndash192 0109 ndash17353ndash191 0111 ndash17896ndash192 0110 17641ndash192 0110 17054ndash191 0111 16606ndash191 0111 16092ndash193 0108 15424ndash198 0102 15079ndash201 0098 14610ndash205 0094 14123ndash213 0086 13573ndash216 0083 13346ndash219 0080 12749ndash227 0074 12162ndash233 0068 11718ndash245 0060 10920ndash263 0049 10338ndash281 0039 9964ndash301 0031 8969ndash331 0022 8215ndash352 0017 7555ndash376 0013 4799ndash370 0014 ndash2101ndash334 0022 ndash6773ndash305 0030 ndash8467ndash277 0041 ndash9323ndash262 0049 ndash10267ndash250 0056 ndash10538ndash233 0068 ndash11085ndash222 0078 ndash11827ndash210 0089 ndash11977ndash194 0107 ndash12467ndash185 0118 ndash13337

ndash09 0900 ndash1255ndash09 0906 ndash1698ndash09 0902 ndash2094ndash10 0894 ndash2508ndash09 0900 ndash2930ndash10 0896 ndash3359ndash10 0890 ndash3753ndash10 0891 ndash4160ndash10 0886 ndash4572ndash11 0885 ndash4962ndash11 0885 ndash5357ndash11 0884 ndash5771ndash11 0884 ndash6165ndash11 0881 ndash6573ndash11 0882 ndash6988ndash11 0881 ndash7372ndash11 0881 ndash7771ndash11 0882 ndash8191ndash11 0885 ndash8616ndash11 0883 ndash9049ndash11 0882 ndash9458ndash11 0879 ndash9878ndash11 0876 ndash10286ndash12 0875 ndash10696ndash12 0872 ndash11098ndash12 0872 ndash11501ndash12 0873 ndash11908ndash12 0873 ndash12324ndash12 0873 ndash12737ndash12 0872 ndash13150ndash12 0872 ndash13573ndash12 0873 ndash13984ndash12 0872 ndash14415ndash12 0872 ndash14836ndash12 0872 ndash15272ndash12 0871 ndash15691ndash12 0872 ndash16125ndash12 0872 ndash16559ndash12 0870 ndash16997ndash12 0868 ndash17437ndash13 0865 ndash17866ndash13 0862 17702ndash13 0860 17272ndash13 0857 16830ndash14 0855 16401ndash14 0853 15972ndash14 0852 15534ndash14 0850 15093ndash15 0846 14655ndash15 0843 14222ndash15 0840 13779

ndash09 0900 ndash1299ndash09 0906 ndash1743ndash09 0902 ndash2132ndash10 0894 ndash2545ndash09 0900 ndash2965ndash10 0896 ndash3391ndash10 0890 ndash3786ndash10 0891 ndash4193ndash10 0886 ndash4605ndash11 0885 ndash4992ndash11 0885 ndash5387ndash11 0884 ndash5799ndash11 0884 ndash6188ndash11 0881 ndash6594ndash11 0882 ndash7009ndash11 0881 ndash7391ndash11 0881 ndash7788ndash11 0882 ndash8208ndash11 0885 ndash8632ndash11 0883 ndash9060ndash11 0882 ndash9471ndash11 0878 ndash9890ndash11 0876 ndash10295ndash12 0874 ndash10702ndash12 0872 ndash11102ndash12 0871 ndash11500ndash12 0872 ndash11907ndash12 0872 ndash12320ndash12 0872 ndash12735ndash12 0872 ndash13149ndash12 0872 ndash13566ndash12 0872 ndash13981ndash12 0872 ndash14406ndash12 0872 ndash14825ndash12 0872 ndash15254ndash12 0870 ndash15672ndash12 0872 ndash16100ndash12 0872 ndash16539ndash12 0870 ndash16975ndash12 0867 ndash17411ndash13 0864 ndash17840ndash13 0861 17730ndash13 0860 17303ndash13 0857 16864ndash14 0854 16438ndash14 0854 16003ndash14 0851 15575ndash14 0849 15137ndash15 0845 14697ndash15 0842 14269ndash15 0838 13834

ndash322ndash287ndash279ndash268ndash254ndash242ndash236ndash230ndash223ndash219ndash216ndash210ndash209ndash206ndash203ndash203ndash202ndash198ndash195ndash194ndash193ndash192ndash191ndash190ndash192ndash194ndash197ndash206ndash211ndash213ndash222ndash228ndash229ndash245ndash262ndash269ndash289ndash313ndash315ndash347ndash387ndash362ndash304ndash271ndash257ndash246ndash236ndash227ndash211ndash197ndash186

002400370040004600540062006600710077008000830089009000930097009600980102010501080108010901110112010901070104009300880086007700730072005900490045003600270027001800120016003000440052005900660074008901040117

ndash7941ndash8083ndash9045

ndash10755ndash10602ndash11464ndash12320ndash12827ndash13506ndash13975ndash14506ndash14897ndash15307ndash15861ndash16251ndash16686ndash17138ndash17432ndash176501775817265166061604815503149541459214111134721305112423117241173611291103881031995317549710866084082ndash1647ndash7389ndash8537ndash9281ndash9865

ndash10315ndash11108ndash12004ndash12582ndash12884ndash13528

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

04 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 2 Sndashparameters (TA = 25 degC)1

7 dB Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash317 0026 ndash13348ndash294 0034 ndash12460ndash280 0040 ndash12677ndash265 0047 ndash13328ndash253 0054 ndash13240ndash240 0063 ndash13646ndash233 0068 ndash14266ndash226 0074 ndash14550ndash218 0081 ndash15109ndash214 0085 ndash15551ndash210 0090 ndash15952ndash205 0094 ndash16429ndash203 0097 ndash16887ndash199 0101 ndash17367ndash197 0104 ndash17788ndash195 0106 17751ndash193 0108 17302ndash191 0111 16914ndash189 0114 16439ndash188 0115 15909ndash187 0116 15320ndash187 0116 14752ndash187 0116 14206ndash188 0115 13675ndash188 0115 13029ndash191 0111 12435ndash194 0108 11825ndash195 0105 11093ndash200 0100 10355ndash203 0096 9782ndash205 0095 9004ndash210 0089 8114ndash215 0084 7380ndash219 0080 6347ndash226 0074 5121ndash234 0068 4008ndash235 0067 2690ndash238 0064 1223ndash244 0060 ndash021ndash243 0061 ndash1313ndash237 0065 ndash2911ndash235 0067 ndash4590ndash231 0070 ndash5805ndash222 0078 ndash6950ndash218 0081 ndash8143ndash214 0085 ndash8879ndash205 0094 ndash9789ndash200 0100 ndash10742ndash193 0108 ndash11304ndash183 0122 ndash12078ndash179 0127 ndash13062

ndash70 0445 ndash1245ndash70 0448 ndash1694ndash70 0446 ndash2085ndash71 0440 ndash2492ndash71 0444 ndash2913ndash71 0444 ndash3345ndash71 0442 ndash3733ndash71 0443 ndash4138ndash71 0440 ndash4542ndash71 0440 ndash4926ndash71 0440 ndash5322ndash71 0442 ndash5730ndash71 0443 ndash6119ndash71 0443 ndash6526ndash71 0443 ndash6932ndash71 0444 ndash7316ndash70 0445 ndash7719ndash70 0448 ndash8135ndash69 0452 ndash8558ndash69 0453 ndash8987ndash69 0454 ndash9405ndash68 0455 ndash9829ndash68 0457 ndash10252ndash68 0459 ndash10682ndash67 0461 ndash11104ndash67 0464 ndash11538ndash66 0466 ndash11970ndash66 0469 ndash12419ndash65 0472 ndash12874ndash65 0474 ndash13333ndash64 0477 ndash13801ndash64 0480 ndash14268ndash63 0482 ndash14751ndash63 0484 ndash15227ndash63 0485 ndash15727ndash63 0485 ndash16214ndash63 0486 ndash16711ndash63 0485 ndash17215ndash63 0485 ndash17714ndash63 0484 17771ndash63 0483 17249ndash64 0481 16749ndash64 0478 16250ndash65 0475 15738ndash65 0472 15244ndash66 0468 14742ndash67 0464 14238ndash67 0460 13744ndash68 0456 13231ndash69 0451 12752ndash70 0448 12242

ndash71 0442 ndash1287ndash70 0446 ndash1733ndash70 0445 ndash2119ndash71 0441 ndash2527ndash70 0444 ndash2947ndash71 0443 ndash3371ndash71 0440 ndash3760ndash71 0441 ndash4166ndash71 0439 ndash4571ndash71 0440 ndash4951ndash71 0440 ndash5350ndash71 0441 ndash5752ndash71 0442 ndash6136ndash71 0442 ndash6543ndash71 0443 ndash6951ndash71 0444 ndash7335ndash70 0445 ndash7730ndash70 0448 ndash8147ndash69 0451 ndash8568ndash69 0452 ndash8996ndash69 0453 ndash9413ndash68 0455 ndash9838ndash68 0456 ndash10259ndash68 0458 ndash10681ndash67 0460 ndash11107ndash67 0462 ndash11530ndash66 0465 ndash11965ndash66 0468 ndash12413ndash65 0472 ndash12867ndash65 0474 ndash13322ndash64 0476 ndash13788ndash64 0478 ndash14256ndash64 0481 ndash14735ndash63 0483 ndash15217ndash63 0484 ndash15705ndash63 0485 ndash16192ndash63 0485 ndash16687ndash63 0485 ndash17181ndash63 0484 ndash17693ndash63 0483 17804ndash63 0481 17298ndash64 0479 16795ndash64 0477 16290ndash65 0473 15777ndash66 0470 15284ndash66 0467 14786ndash67 0463 14282ndash68 0459 13784ndash68 0455 13285ndash69 0451 12793ndash70 0447 12325

ndash342 0020 ndash6283ndash312 0027 ndash7054ndash309 0028 ndash8354ndash304 0030 ndash10295ndash289 0036 ndash10202ndash275 0042 ndash10892ndash270 0045 ndash11720ndash263 0048 ndash12445ndash258 0051 ndash13332ndash253 0054 ndash13991ndash249 0057 ndash14593ndash245 0059 ndash14984ndash243 0061 ndash15513ndash241 0063 ndash16185ndash238 0064 ndash16787ndash237 0065 ndash17383ndash236 0066 17978ndash235 0067 17592ndash234 0067 17185ndash234 0068 16531ndash234 0067 15756ndash234 0067 14938ndash233 0068 14329ndash230 0071 13607ndash233 0068 12908ndash236 0066 12416ndash238 0064 11491ndash248 0058 10214ndash255 0053 9319ndash251 0056 8173ndash255 0053 6645ndash267 0046 6041ndash266 0047 5129ndash266 0047 2919ndash272 0044 998ndash263 0048 034ndash244 0060 ndash1448ndash242 0061 ndash2773ndash241 0063 ndash3542ndash230 0071 ndash4675ndash219 0080 ndash6294ndash212 0087 ndash7373ndash200 0100 ndash8117ndash190 0112 ndash8897ndash186 0117 ndash9478ndash184 0121 ndash9991ndash181 0124 ndash10723ndash177 0131 ndash11495ndash170 0141 ndash12142ndash162 0154 ndash12640ndash158 0162 ndash13360

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

05 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 3 Sndashparameters (TA = 25 degC)1

12 dB Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash336 0021 ndash5393ndash316 0026 ndash6499ndash308 0029 ndash7288ndash298 0032 ndash8392ndash285 0038 ndash8943ndash275 0042 ndash9744ndash269 0045 ndash10504ndash262 0049 ndash11106ndash255 0053 ndash11816ndash252 0055 ndash12323ndash247 0058 ndash12832ndash243 0061 ndash13395ndash241 0063 ndash13886ndash237 0065 ndash14400ndash235 0067 ndash14878ndash233 0068 ndash15311ndash231 0070 ndash15811ndash229 0071 ndash16219ndash227 0073 ndash16722ndash227 0073 ndash17208ndash227 0073 ndash17823ndash229 0072 17638ndash230 0070 17100ndash232 0069 16658ndash234 0068 16064ndash239 0064 15579ndash244 0060 15123ndash250 0056 14429ndash261 0050 13876ndash267 0046 13521ndash274 0043 12661ndash290 0036 11983ndash306 0030 11713ndash327 0023 10740ndash376 0013 9367ndash449 0006 7404ndash439 0006 ndash1507ndash372 0014 ndash6095ndash342 0020 ndash8146ndash317 0026 ndash8861ndash288 0036 ndash9293ndash268 0046 ndash10307ndash257 0052 ndash10868ndash244 0060 ndash11293ndash234 0068 ndash11981ndash229 0071 ndash12347ndash219 0080 ndash12714ndash213 0086 ndash13352ndash206 0093 ndash13620ndash195 0106 ndash13982ndash190 0112 ndash14780

ndash121 0249 ndash1007ndash120 0251 ndash1380ndash120 0251 ndash1691ndash120 0250 ndash2039ndash119 0253 ndash2384ndash119 0254 ndash2743ndash119 0254 ndash3068ndash118 0256 ndash3409ndash118 0257 ndash3764ndash118 0258 ndash4089ndash117 0261 ndash4431ndash116 0264 ndash4788ndash115 0266 ndash5132ndash114 0268 ndash5497ndash113 0272 ndash5872ndash112 0274 ndash6234ndash111 0278 ndash6609ndash110 0282 ndash6991ndash109 0286 ndash7389ndash107 0290 ndash7807ndash107 0293 ndash8220ndash105 0297 ndash8640ndash104 0300 ndash9068ndash103 0304 ndash9496ndash103 0307 ndash9931ndash102 0310 ndash10366ndash100 0315 ndash10810ndash99 0318 ndash11271ndash98 0322 ndash11743ndash98 0324 ndash12212ndash97 0327 ndash12703ndash96 0330 ndash13182ndash96 0332 ndash13682ndash95 0333 ndash14168ndash95 0334 ndash14684ndash95 0334 ndash15184ndash95 0336 ndash15687ndash95 0335 ndash16191ndash95 0334 ndash16706ndash95 0334 ndash17215ndash96 0332 ndash17723ndash96 0330 17777ndash97 0328 17266ndash97 0326 16759ndash98 0324 16256ndash99 0321 15782ndash99 0319 15293ndash100 0316 14787ndash101 0313 14314ndash102 0310 13803ndash103 0306 13300

ndash121 0249 ndash1051ndash120 0251 ndash1424ndash120 0251 ndash1725ndash120 0250 ndash2071ndash119 0253 ndash2414ndash119 0253 ndash2776ndash119 0254 ndash3102ndash119 0256 ndash3439ndash118 0256 ndash3789ndash118 0258 ndash4114ndash117 0261 ndash4459ndash116 0263 ndash4816ndash115 0266 ndash5154ndash114 0268 ndash5521ndash113 0272 ndash5892ndash112 0275 ndash6250ndash111 0278 ndash6620ndash110 0282 ndash7009ndash109 0286 ndash7404ndash107 0290 ndash7821ndash107 0293 ndash8228ndash105 0297 ndash8649ndash104 0300 ndash9071ndash103 0304 ndash9499ndash103 0307 ndash9930ndash102 0310 ndash10364ndash101 0314 ndash10810ndash100 0318 ndash11272ndash99 0322 ndash11738ndash98 0324 ndash12208ndash97 0327 ndash12687ndash96 0329 ndash13177ndash96 0331 ndash13672ndash96 0333 ndash14163ndash95 0334 ndash14666ndash95 0335 ndash15158ndash95 0335 ndash15658ndash95 0334 ndash16161ndash95 0334 ndash16683ndash96 0333 ndash17190ndash96 0332 ndash17687ndash96 0330 17802ndash97 0329 17317ndash98 0325 16805ndash98 0323 16307ndash99 0321 15821ndash99 0318 15323

ndash100 0315 14825ndash101 0314 14341ndash102 0310 13860ndash102 0307 13397

ndash258 0051 ndash2277ndash253 0055 ndash3051ndash256 0053 ndash3704ndash261 0050 ndash4587ndash254 0054 ndash5116ndash249 0057 ndash5878ndash249 0057 ndash6578ndash249 0057 ndash7237ndash250 0056 ndash8012ndash251 0056 ndash8751ndash250 0056 ndash9398ndash247 0058 ndash9833ndash247 0058 ndash10393ndash247 0058 ndash11028ndash249 0057 ndash11572ndash251 0056 ndash12237ndash252 0055 ndash12838ndash252 0055 ndash13267ndash252 0055 ndash13605ndash255 0053 ndash14096ndash259 0051 ndash14732ndash265 0047 ndash15419ndash266 0047 ndash16111ndash268 0046 ndash17040ndash276 0042 ndash17467ndash279 0040 ndash17674ndash292 0035 17717ndash321 0025 17833ndash337 0021 ndash17819ndash368 0014 16610ndash460 0005 ndash16169ndash396 0010 ndash13292ndash411 0009 ndash12588ndash352 0017 ndash8210ndash312 0028 ndash8633ndash301 0031 ndash8248ndash275 0042 ndash7444ndash261 0049 ndash8347ndash259 0050 ndash8749ndash243 0061 ndash9117ndash224 0076 ndash10005ndash215 0084 ndash10622ndash204 0096 ndash10846ndash196 0105 ndash11220ndash191 0110 ndash11622ndash192 0110 ndash11975ndash187 0116 ndash12615ndash183 0121 ndash13170ndash178 0129 ndash13559ndash170 0141 ndash13973ndash165 0150 ndash14385

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

06 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 4 Sndashparameters (TA = 25 degC)1

17 dB Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash324 0024 ndash5009ndash308 0029 ndash6095ndash299 0032 ndash6935ndash289 0036 ndash7853ndash277 0041 ndash8443ndash267 0046 ndash9179ndash260 0050 ndash9845ndash253 0054 ndash10473ndash246 0059 ndash11045ndash241 0062 ndash11551ndash236 0066 ndash12030ndash231 0070 ndash12522ndash228 0072 ndash12981ndash224 0076 ndash13422ndash221 0078 ndash13817ndash219 0081 ndash14239ndash216 0084 ndash14656ndash213 0086 ndash15033ndash211 0088 ndash15447ndash210 0089 ndash15818ndash209 0090 ndash16273ndash209 0090 ndash16658ndash209 0090 ndash17028ndash208 0091 ndash17307ndash208 0091 ndash17707ndash209 0090 ndash17958ndash210 0090 17758ndash211 0088 17389ndash214 0086 17192ndash213 0086 16986ndash214 0085 16587ndash218 0082 16418ndash218 0082 16330ndash220 0079 16082ndash224 0076 16114ndash226 0074 16061ndash230 0071 15854ndash232 0069 15963ndash229 0072 15974ndash230 0071 15831ndash231 0070 15942ndash226 0074 16106ndash227 0073 15865ndash227 0073 15939ndash224 0076 15848ndash224 0076 15514ndash224 0076 15600ndash220 0079 15501ndash224 0076 15382ndash220 0079 15821ndash214 0085 15500

ndash172 0138 ndash827ndash171 0140 ndash1145ndash171 0140 ndash1405ndash170 0140 ndash1713ndash169 0142 ndash2014ndash169 0143 ndash2328ndash168 0144 ndash2612ndash167 0146 ndash2917ndash166 0147 ndash3236ndash165 0149 ndash3532ndash164 0151 ndash3859ndash163 0154 ndash4199ndash162 0156 ndash4522ndash160 0158 ndash4875ndash159 0160 ndash5241ndash158 0163 ndash5595ndash156 0166 ndash5974ndash155 0169 ndash6350ndash153 0171 ndash6747ndash152 0175 ndash7168ndash151 0177 ndash7584ndash150 0179 ndash8011ndash148 0181 ndash8455ndash147 0183 ndash8885ndash147 0185 ndash9313ndash146 0187 ndash9765ndash145 0189 ndash10208ndash144 0190 ndash10671ndash144 0192 ndash11141ndash143 0194 ndash11614ndash142 0194 ndash12095ndash142 0194 ndash12548ndash142 0195 ndash13045ndash142 0195 ndash13522ndash142 0195 ndash14025ndash142 0195 ndash14493ndash142 0195 ndash14978ndash143 0194 ndash15460ndash143 0193 ndash15930ndash144 0192 ndash16451ndash144 0191 ndash16907ndash145 0189 ndash17387ndash145 0188 ndash17860ndash146 0187 17665ndash147 0184 17140ndash148 0182 16694ndash149 0180 16207ndash149 0179 15743ndash151 0176 15275ndash152 0174 14805ndash153 0172 14297

ndash172 0138 ndash874ndash171 0140 ndash1198ndash170 0140 ndash1441ndash170 0140 ndash1749ndash169 0142 ndash2037ndash169 0143 ndash2361ndash168 0144 ndash2648ndash167 0146 ndash2950ndash166 0147 ndash3271ndash165 0149 ndash3573ndash164 0151 ndash3891ndash163 0154 ndash4218ndash161 0156 ndash4546ndash160 0158 ndash4897ndash159 0161 ndash5252ndash158 0163 ndash5613ndash156 0166 ndash5983ndash155 0169 ndash6367ndash153 0172 ndash6753ndash152 0174 ndash7169ndash150 0177 ndash7598ndash149 0179 ndash8020ndash148 0181 ndash8444ndash147 0183 ndash8874ndash147 0185 ndash9313ndash146 0187 ndash9767ndash145 0189 ndash10202ndash144 0190 ndash10676ndash143 0192 ndash11141ndash143 0193 ndash11605ndash143 0194 ndash12081ndash142 0194 ndash12548ndash142 0195 ndash13035ndash142 0195 ndash13504ndash142 0195 ndash13993ndash142 0195 ndash14464ndash142 0194 ndash14953ndash143 0194 ndash15422ndash143 0193 ndash15901ndash144 0191 ndash16402ndash144 0190 ndash16865ndash145 0189 ndash17356ndash145 0188 ndash17842ndash146 0185 17676ndash147 0184 17215ndash148 0182 16746ndash149 0179 16283ndash150 0179 15805ndash151 0176 15300ndash152 0174 14877ndash153 0172 14430

ndash261 0049 ndash2648ndash256 0052 ndash3456ndash258 0051 ndash4267ndash260 0050 ndash5192ndash253 0054 ndash5749ndash247 0058 ndash6509ndash243 0061 ndash7234ndash242 0062 ndash7931ndash241 0063 ndash8687ndash238 0064 ndash9413ndash236 0066 ndash10064ndash232 0069 ndash10482ndash230 0071 ndash11019ndash229 0072 ndash11622ndash228 0073 ndash12127ndash227 0074 ndash12742ndash226 0074 ndash13264ndash224 0076 ndash13628ndash223 0076 ndash14008ndash224 0076 ndash14418ndash224 0076 ndash14925ndash225 0075 ndash15415ndash224 0076 ndash15937ndash223 0077 ndash16555ndash224 0076 ndash16858ndash222 0077 ndash17046ndash226 0074 ndash17430ndash235 0067 ndash17442ndash235 0067 ndash17532ndash239 0064 17856ndash247 0058 17831ndash239 0064 17937ndash238 0064 17495ndash245 0060 17757ndash242 0062 ndash17849ndash246 0059 17734ndash257 0052 17918ndash252 0055 ndash17954ndash249 0057 17428ndash251 0056 17683ndash240 0063 ndash17768ndash234 0067 ndash17757ndash235 0067 ndash17366ndash231 0070 ndash17230ndash230 0071 ndash17491ndash233 0068 17985ndash229 0072 17696ndash224 0076 17505ndash220 0080 17611ndash215 0084 17706ndash208 0091 17745

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

07 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 5 Sndashparameters (TA = 25 degC)1

22 dB setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash342 0020 ndash9085ndash316 0026 ndash9443ndash299 0032 ndash9890ndash283 0038 ndash10335ndash269 0045 ndash10622ndash257 0052 ndash11032ndash246 0059 ndash11456ndash238 0064 ndash11894ndash230 0071 ndash12280ndash224 0076 ndash12633ndash217 0082 ndash12977ndash212 0087 ndash13358ndash207 0092 ndash13711ndash203 0097 ndash14034ndash199 0101 ndash14361ndash195 0106 ndash14668ndash191 0111 ndash15015ndash187 0116 ndash15326ndash184 0120 ndash15665ndash181 0124 ndash15979ndash179 0127 ndash16324ndash177 0130 ndash16653ndash175 0133 ndash16958ndash173 0136 ndash17216ndash171 0140 ndash17555ndash169 0142 ndash17831ndash167 0146 17900ndash166 0148 17556ndash165 0149 17293ndash163 0154 17022ndash161 0156 16631ndash161 0156 16375ndash159 0160 16145ndash159 0161 15796ndash159 0161 15575ndash158 0162 15285ndash158 0162 14938ndash158 0162 14703ndash156 0165 14467ndash155 0167 14131ndash156 0166 13885ndash154 0169 13695ndash154 0171 13352ndash155 0169 13057ndash154 0171 12793ndash153 0171 12385ndash154 0169 12152ndash153 0171 11860ndash155 0167 11522ndash157 0164 11456ndash155 0168 11185

ndash219 0080 ndash860ndash218 0081 ndash1211ndash218 0082 ndash1463ndash218 0082 ndash1798ndash217 0082 ndash2101ndash217 0082 ndash2421ndash217 0082 ndash2726ndash216 0084 ndash3039ndash215 0084 ndash3390ndash215 0084 ndash3691ndash214 0085 ndash4023ndash213 0086 ndash4368ndash213 0086 ndash4682ndash212 0087 ndash5056ndash211 0088 ndash5404ndash211 0088 ndash5756ndash210 0089 ndash6129ndash209 0090 ndash6493ndash208 0091 ndash6882ndash208 0091 ndash7266ndash207 0092 ndash7685ndash207 0092 ndash8099ndash207 0092 ndash8474ndash207 0092 ndash8906ndash207 0093 ndash9299ndash207 0093 ndash9716ndash206 0093 ndash10102ndash206 0093 ndash10532ndash206 0093 ndash10936ndash207 0093 ndash11398ndash207 0092 ndash11804ndash207 0092 ndash12228ndash208 0091 ndash12691ndash208 0091 ndash13111ndash209 0090 ndash13514ndash210 0090 ndash13964ndash210 0089 ndash14372ndash211 0088 ndash14816ndash212 0087 ndash15246ndash212 0087 ndash15706ndash214 0085 ndash16115ndash215 0084 ndash16543ndash216 0083 ndash16961ndash217 0082 ndash17434ndash217 0082 ndash17865ndash219 0080 17742ndash221 0078 17341ndash223 0077 16950ndash224 0076 16497ndash226 0074 16076ndash223 0076 15573

ndash219 0081 ndash905ndash218 0082 ndash1250ndash218 0082 ndash1512ndash218 0082 ndash1829ndash217 0082 ndash2141ndash217 0083 ndash2470ndash216 0083 ndash2788ndash216 0084 ndash3078ndash215 0084 ndash3426ndash215 0084 ndash3720ndash214 0085 ndash4050ndash213 0086 ndash4393ndash212 0087 ndash4719ndash212 0087 ndash5076ndash211 0088 ndash5432ndash211 0088 ndash5799ndash210 0089 ndash6135ndash209 0090 ndash6511ndash208 0091 ndash6897ndash208 0091 ndash7285ndash207 0092 ndash7697ndash207 0092 ndash8101ndash207 0092 ndash8508ndash207 0092 ndash8879ndash207 0092 ndash9303ndash207 0093 ndash9706ndash207 0092 ndash10096ndash207 0093 ndash10531ndash206 0093 ndash10959ndash207 0092 ndash11370ndash207 0092 ndash11793ndash207 0092 ndash12226ndash208 0092 ndash12657ndash208 0091 ndash13094ndash209 0090 ndash13519ndash210 0089 ndash13943ndash211 0089 ndash14373ndash212 0087 ndash14803ndash212 0087 ndash15223ndash213 0086 ndash15671ndash213 0086 ndash16057ndash215 0085 ndash16518ndash216 0083 ndash16940ndash217 0082 ndash17393ndash219 0080 ndash17810ndash220 0079 17847ndash221 0078 17379ndash222 0077 16952ndash225 0075 16550ndash225 0075 16200ndash228 0073 15661

ndash299 0032 ndash4515ndash287 0037 ndash5532ndash282 0039 ndash6651ndash275 0042 ndash7707ndash264 0048 ndash8188ndash253 0055 ndash8804ndash244 0060 ndash9456ndash238 0064 ndash10107ndash233 0068 ndash10727ndash227 0074 ndash11336ndash221 0078 ndash11864ndash216 0084 ndash12204ndash211 0088 ndash12626ndash207 0092 ndash13095ndash204 0096 ndash13522ndash200 0100 ndash13980ndash197 0103 ndash14395ndash194 0107 ndash14709ndash191 0111 ndash15053ndash189 0114 ndash15403ndash187 0117 ndash15798ndash185 0119 ndash16201ndash181 0124 ndash16607ndash178 0128 ndash17087ndash177 0131 ndash17368ndash174 0136 ndash17587ndash173 0136 ndash17960ndash175 0134 17827ndash173 0137 17591ndash172 0138 17075ndash173 0136 16825ndash168 0144 16691ndash165 0150 16232ndash167 0146 16022ndash165 0149 15908ndash165 0150 15440ndash168 0144 15083ndash166 0148 14855ndash163 0154 14380ndash164 0152 14105ndash163 0153 14109ndash162 0155 13916ndash164 0151 13662ndash165 0150 13479ndash165 0149 13057ndash164 0152 12538ndash163 0153 12227ndash162 0154 11955ndash163 0153 11791ndash165 0149 11727ndash166 0148 11614

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

08 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 6 Sndashparameters (TA = 25 degC)1

27 dB Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash297 0033 ndash5414ndash282 0039 ndash6510ndash269 0045 ndash7349ndash257 0052 ndash8080ndash245 0060 ndash8675ndash234 0068 ndash9282ndash225 0075 ndash9822ndash217 0082 ndash10335ndash209 0090 ndash10848ndash203 0096 ndash11261ndash196 0104 ndash11677ndash191 0111 ndash12101ndash186 0118 ndash12488ndash181 0125 ndash12874ndash176 0131 ndash13238ndash172 0138 ndash13593ndash167 0146 ndash13961ndash163 0153 ndash14320ndash160 0159 ndash14688ndash156 0165 ndash15033ndash153 0171 ndash15399ndash151 0176 ndash15748ndash148 0181 ndash16082ndash145 0188 ndash16397ndash142 0194 ndash16757ndash140 0200 ndash17077ndash137 0206 ndash17398ndash135 0210 ndash17756ndash134 0215 17935ndash131 0222 17601ndash129 0226 17185ndash128 0229 16893ndash126 0235 16597ndash125 0238 16230ndash124 0240 15932ndash122 0244 15623ndash122 0246 15235ndash121 0248 14938ndash119 0254 14643ndash118 0257 14275ndash117 0259 13993ndash116 0264 13710ndash115 0267 13338ndash115 0267 13008ndash114 0271 12694ndash113 0273 12273ndash113 0273 11945ndash112 0276 11626ndash113 0274 11267ndash114 0270 11068ndash112 0277 10768

ndash266 0047 ndash1026ndash266 0047 ndash1458ndash266 0047 ndash1747ndash267 0046 ndash2159ndash267 0046 ndash2512ndash268 0046 ndash2865ndash269 0045 ndash3225ndash269 0045 ndash3542ndash270 0045 ndash3891ndash271 0044 ndash4222ndash272 0044 ndash4533ndash272 0044 ndash4863ndash273 0043 ndash5198ndash273 0043 ndash5533ndash273 0043 ndash5861ndash275 0042 ndash6219ndash275 0042 ndash6501ndash276 0042 ndash6868ndash276 0042 ndash7177ndash276 0042 ndash7538ndash277 0041 ndash7866ndash278 0041 ndash8235ndash279 0040 ndash8543ndash280 0040 ndash8891ndash281 0039 ndash9210ndash281 0039 ndash9536ndash282 0039 ndash9881ndash284 0038 ndash10201ndash284 0038 ndash10600ndash285 0038 ndash10962ndash286 0037 ndash11305ndash287 0037 ndash11704ndash288 0036 ndash12046ndash289 0036 ndash12337ndash290 0036 ndash12693ndash292 0035 ndash13042ndash294 0034 ndash13467ndash296 0033 ndash13699ndash297 0033 ndash14040ndash297 0033 ndash14373ndash299 0032 ndash14771ndash300 0032 ndash15137ndash301 0031 ndash15538ndash304 0030 ndash15918ndash309 0028 ndash16311ndash311 0028 ndash16324ndash311 0028 ndash16740ndash313 0027 ndash17026ndash314 0027 ndash17212ndash313 0027 ndash17530ndash318 0026 ndash17915

ndash266 0047 ndash1081ndash266 0047 ndash1505ndash266 0047 ndash1790ndash267 0046 ndash2184ndash267 0046 ndash2545ndash268 0046 ndash2904ndash268 0046 ndash3259ndash269 0045 ndash3577ndash270 0045 ndash3944ndash271 0044 ndash4242ndash271 0044 ndash4591ndash272 0044 ndash4904ndash272 0044 ndash5234ndash273 0043 ndash5564ndash273 0043 ndash5879ndash274 0042 ndash6195ndash275 0042 ndash6538ndash276 0042 ndash6837ndash276 0042 ndash7187ndash276 0042 ndash7521ndash277 0041 ndash7891ndash278 0041 ndash8239ndash279 0040 ndash8583ndash280 0040 ndash8908ndash281 0039 ndash9204ndash282 0039 ndash9540ndash282 0039 ndash9889ndash283 0038 ndash10245ndash284 0038 ndash10613ndash285 0038 ndash10891ndash285 0037 ndash11314ndash288 0036 ndash11673ndash288 0036 ndash11986ndash289 0036 ndash12288ndash291 0035 ndash12724ndash294 0034 ndash13048ndash293 0034 ndash13411ndash296 0033 ndash13704ndash297 0033 ndash14066ndash299 0032 ndash14344ndash300 0032 ndash14756ndash301 0031 ndash15105ndash302 0031 ndash15532ndash305 0030 ndash15850ndash308 0029 ndash16247ndash310 0028 ndash16298ndash312 0027 ndash16744ndash314 0027 ndash16927ndash316 0026 ndash17277ndash315 0026 ndash17471ndash316 0026 17962

ndash284 0038 ndash4502ndash272 0044 ndash5534ndash264 0048 ndash6494ndash255 0053 ndash7376ndash245 0060 ndash7961ndash234 0067 ndash8647ndash226 0074 ndash9285ndash219 0080 ndash9879ndash212 0087 ndash10413ndash206 0094 ndash10943ndash200 0100 ndash11452ndash194 0107 ndash11830ndash189 0114 ndash12259ndash184 0120 ndash12693ndash180 0126 ndash13085ndash175 0133 ndash13511ndash171 0139 ndash13903ndash167 0146 ndash14260ndash164 0152 ndash14610ndash161 0157 ndash14965ndash157 0163 ndash15354ndash155 0168 ndash15752ndash151 0176 ndash16162ndash148 0183 ndash16621ndash145 0188 ndash16935ndash142 0196 ndash17193ndash140 0200 ndash17566ndash140 0200 ndash17831ndash137 0206 17889ndash135 0210 17414ndash135 0211 17103ndash131 0222 16864ndash127 0230 16412ndash128 0230 16135ndash125 0236 15931ndash124 0240 15476ndash125 0236 15089ndash123 0242 14807ndash121 0250 14338ndash121 0250 14017ndash119 0253 13870ndash118 0258 13576ndash119 0255 13262ndash119 0254 12984ndash118 0258 12560ndash117 0261 12101ndash115 0265 11755ndash115 0267 11468ndash115 0268 11178ndash115 0265 10939ndash115 0265 10735

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

09 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 7 Sndashparameters (TA = 25 degC)1

Maximum Attenuation Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash355 0017 ndash4503ndash337 0021 ndash5340ndash324 0024 ndash6024ndash308 0029 ndash6634ndash293 0034 ndash7212ndash281 0039 ndash7806ndash270 0045 ndash8360ndash260 0050 ndash8899ndash252 0055 ndash9388ndash245 0060 ndash9783ndash237 0065 ndash10206ndash230 0070 ndash10626ndash224 0076 ndash10981ndash218 0081 ndash11365ndash213 0086 ndash11701ndash207 0092 ndash12051ndash202 0098 ndash12414ndash197 0103 ndash12767ndash193 0109 ndash13134ndash189 0114 ndash13448ndash185 0119 ndash13803ndash182 0123 ndash14137ndash179 0128 ndash14454ndash174 0135 ndash14755ndash171 0140 ndash15101ndash167 0146 ndash15396ndash164 0152 ndash15702ndash161 0156 ndash16051ndash158 0161 ndash16333ndash155 0169 ndash16678ndash152 0173 ndash17090ndash150 0178 ndash17364ndash147 0184 ndash17680ndash145 0189 17954ndash143 0192 17703ndash141 0198 17399ndash139 0201 17013ndash138 0205 16730ndash134 0213 16418ndash132 0218 16036ndash131 0222 15766ndash128 0229 15470ndash126 0235 15086ndash125 0238 14774ndash123 0243 14423ndash121 0248 14001ndash120 0250 13700ndash118 0256 13344ndash118 0258 12988ndash118 0258 12834ndash114 0269 12433

ndash342 0019 ndash2062ndash344 0019 ndash2784ndash349 0018 ndash3295ndash354 0017 ndash3949ndash358 0016 ndash4389ndash364 0015 ndash4972ndash369 0014 ndash5372ndash375 0013 ndash5649ndash381 0012 ndash6032ndash387 0012 ndash6308ndash394 0011 ndash6517ndash398 0010 ndash6723ndash404 0010 ndash6929ndash408 0009 ndash7122ndash413 0009 ndash7053ndash416 0008 ndash7391ndash422 0008 ndash7429ndash424 0008 ndash7430ndash426 0007 ndash7464ndash431 0007 ndash7858ndash433 0007 ndash8026ndash440 0006 ndash8042ndash440 0006 ndash8294ndash446 0006 ndash8073ndash450 0006 ndash8204ndash452 0006 ndash8597ndash454 0005 ndash8618ndash455 0005 ndash8622ndash462 0005 ndash8648ndash460 0005 ndash9200ndash466 0005 ndash8668ndash471 0004 ndash8787ndash475 0004 ndash9048ndash480 0004 ndash9190ndash484 0004 ndash9449ndash491 0004 ndash9074ndash502 0003 ndash9243ndash508 0003 ndash9049ndash508 0003 ndash9439ndash508 0003 ndash7660ndash502 0003 ndash8467ndash517 0003 ndash8837ndash511 0003 ndash7462ndash520 0002 ndash8205ndash554 0002 ndash5919ndash528 0002 ndash4646ndash532 0002 ndash4125ndash505 0003 ndash4224ndash471 0004 ndash4615ndash471 0004 ndash4661ndash454 0005 ndash5316

ndash342 0019 ndash2126ndash344 0019 ndash2825ndash348 0018 ndash3274ndash353 0017 ndash3939ndash358 0016 ndash4408ndash364 0015 ndash4921ndash369 0014 ndash5333ndash376 0013 ndash5674ndash382 0012 ndash6052ndash387 0012 ndash6316ndash393 0011 ndash6601ndash397 0010 ndash6740ndash403 0010 ndash6899ndash409 0009 ndash7216ndash413 0009 ndash7316ndash419 0008 ndash7426ndash423 0008 ndash7361ndash426 0007 ndash7689ndash429 0007 ndash7492ndash430 0007 ndash7912ndash433 0007 ndash8003ndash440 0006 ndash7983ndash444 0006 ndash8330ndash449 0006 ndash8030ndash450 0006 ndash8157ndash457 0005 ndash8393ndash455 0005 ndash8365ndash457 0005 ndash8914ndash457 0005 ndash8609ndash464 0005 ndash8668ndash466 0005 ndash9157ndash473 0004 ndash8978ndash480 0004 ndash9521ndash477 0004 ndash9141ndash480 0004 ndash9412ndash491 0004 ndash9313ndash494 0003 ndash9281ndash505 0003 ndash8723ndash496 0003 ndash9659ndash520 0002 ndash8819ndash508 0003 ndash8023ndash502 0003 ndash8600ndash524 0002 ndash9170ndash528 0002 ndash8103ndash554 0002 ndash6095ndash514 0003 ndash5216ndash491 0004 ndash5431ndash482 0004 ndash5162ndash475 0004 ndash3932ndash464 0005 ndash6722ndash466 0005 ndash6333

ndash345 0019 ndash4099ndash330 0022 ndash4785ndash320 0025 ndash5530ndash307 0029 ndash6265ndash294 0034 ndash6757ndash282 0039 ndash7480ndash272 0044 ndash8099ndash264 0048 ndash8667ndash256 0053 ndash9173ndash247 0058 ndash9712ndash240 0063 ndash10218ndash233 0068 ndash10574ndash227 0073 ndash10959ndash221 0078 ndash11378ndash216 0083 ndash11753ndash210 0089 ndash12152ndash205 0094 ndash12533ndash201 0099 ndash12870ndash196 0105 ndash13199ndash192 0110 ndash13513ndash188 0115 ndash13874ndash184 0120 ndash14254ndash179 0127 ndash14671ndash175 0133 ndash15172ndash172 0138 ndash15475ndash167 0146 ndash15722ndash165 0150 ndash16069ndash164 0152 ndash16256ndash160 0159 ndash16520ndash158 0163 ndash17012ndash157 0165 ndash17267ndash150 0178 ndash17538ndash146 0186 17992ndash145 0188 17766ndash141 0196 17561ndash140 0200 17091ndash141 0198 16758ndash137 0206 16458ndash134 0214 15959ndash132 0218 15661ndash129 0226 15512ndash126 0233 15224ndash126 0234 14917ndash125 0236 14652ndash123 0242 14237ndash122 0246 13736ndash120 0253 13376ndash117 0260 13040ndash116 0263 12767ndash115 0265 12532ndash114 0269 12297

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

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This information is subject to change without noticecopy Keysight Technologies 2009 - 2014Published in USA July 31 20145991-3556ENwwwkeysightcom

010 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

02 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

IntroductionThe TC721 is a voltage variable attenuator that operates from DC to 50 GHz This application note consists of sndashparameter data tables at the following attenuation levels

ndash Minimum

ndash 7 dB

ndash 12 dB

ndash 17 dB

ndash 22 dB

ndash 27 dB Maximum

The sndashparameters cover the frequency range of 15ndash265 GHz and were obtained from onndashwafer measurements

03 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 1 Sndashparameters (TA = 25 degC)1

Minimum Attenuation Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash324 0024 ndash7991ndash283 0038 ndash8077ndash277 0041 ndash9193ndash267 0046 ndash10679ndash251 0056 ndash10568ndash238 0064 ndash11410ndash234 0067 ndash12248ndash227 0073 ndash12590ndash220 0080 ndash13364ndash218 0081 ndash13835ndash214 0085 ndash14158ndash209 0090 ndash14684ndash208 0091 ndash15080ndash205 0095 ndash15601ndash202 0098 ndash15927ndash202 0098 ndash16275ndash199 0101 ndash16692ndash196 0105 ndash16981ndash192 0109 ndash17353ndash191 0111 ndash17896ndash192 0110 17641ndash192 0110 17054ndash191 0111 16606ndash191 0111 16092ndash193 0108 15424ndash198 0102 15079ndash201 0098 14610ndash205 0094 14123ndash213 0086 13573ndash216 0083 13346ndash219 0080 12749ndash227 0074 12162ndash233 0068 11718ndash245 0060 10920ndash263 0049 10338ndash281 0039 9964ndash301 0031 8969ndash331 0022 8215ndash352 0017 7555ndash376 0013 4799ndash370 0014 ndash2101ndash334 0022 ndash6773ndash305 0030 ndash8467ndash277 0041 ndash9323ndash262 0049 ndash10267ndash250 0056 ndash10538ndash233 0068 ndash11085ndash222 0078 ndash11827ndash210 0089 ndash11977ndash194 0107 ndash12467ndash185 0118 ndash13337

ndash09 0900 ndash1255ndash09 0906 ndash1698ndash09 0902 ndash2094ndash10 0894 ndash2508ndash09 0900 ndash2930ndash10 0896 ndash3359ndash10 0890 ndash3753ndash10 0891 ndash4160ndash10 0886 ndash4572ndash11 0885 ndash4962ndash11 0885 ndash5357ndash11 0884 ndash5771ndash11 0884 ndash6165ndash11 0881 ndash6573ndash11 0882 ndash6988ndash11 0881 ndash7372ndash11 0881 ndash7771ndash11 0882 ndash8191ndash11 0885 ndash8616ndash11 0883 ndash9049ndash11 0882 ndash9458ndash11 0879 ndash9878ndash11 0876 ndash10286ndash12 0875 ndash10696ndash12 0872 ndash11098ndash12 0872 ndash11501ndash12 0873 ndash11908ndash12 0873 ndash12324ndash12 0873 ndash12737ndash12 0872 ndash13150ndash12 0872 ndash13573ndash12 0873 ndash13984ndash12 0872 ndash14415ndash12 0872 ndash14836ndash12 0872 ndash15272ndash12 0871 ndash15691ndash12 0872 ndash16125ndash12 0872 ndash16559ndash12 0870 ndash16997ndash12 0868 ndash17437ndash13 0865 ndash17866ndash13 0862 17702ndash13 0860 17272ndash13 0857 16830ndash14 0855 16401ndash14 0853 15972ndash14 0852 15534ndash14 0850 15093ndash15 0846 14655ndash15 0843 14222ndash15 0840 13779

ndash09 0900 ndash1299ndash09 0906 ndash1743ndash09 0902 ndash2132ndash10 0894 ndash2545ndash09 0900 ndash2965ndash10 0896 ndash3391ndash10 0890 ndash3786ndash10 0891 ndash4193ndash10 0886 ndash4605ndash11 0885 ndash4992ndash11 0885 ndash5387ndash11 0884 ndash5799ndash11 0884 ndash6188ndash11 0881 ndash6594ndash11 0882 ndash7009ndash11 0881 ndash7391ndash11 0881 ndash7788ndash11 0882 ndash8208ndash11 0885 ndash8632ndash11 0883 ndash9060ndash11 0882 ndash9471ndash11 0878 ndash9890ndash11 0876 ndash10295ndash12 0874 ndash10702ndash12 0872 ndash11102ndash12 0871 ndash11500ndash12 0872 ndash11907ndash12 0872 ndash12320ndash12 0872 ndash12735ndash12 0872 ndash13149ndash12 0872 ndash13566ndash12 0872 ndash13981ndash12 0872 ndash14406ndash12 0872 ndash14825ndash12 0872 ndash15254ndash12 0870 ndash15672ndash12 0872 ndash16100ndash12 0872 ndash16539ndash12 0870 ndash16975ndash12 0867 ndash17411ndash13 0864 ndash17840ndash13 0861 17730ndash13 0860 17303ndash13 0857 16864ndash14 0854 16438ndash14 0854 16003ndash14 0851 15575ndash14 0849 15137ndash15 0845 14697ndash15 0842 14269ndash15 0838 13834

ndash322ndash287ndash279ndash268ndash254ndash242ndash236ndash230ndash223ndash219ndash216ndash210ndash209ndash206ndash203ndash203ndash202ndash198ndash195ndash194ndash193ndash192ndash191ndash190ndash192ndash194ndash197ndash206ndash211ndash213ndash222ndash228ndash229ndash245ndash262ndash269ndash289ndash313ndash315ndash347ndash387ndash362ndash304ndash271ndash257ndash246ndash236ndash227ndash211ndash197ndash186

002400370040004600540062006600710077008000830089009000930097009600980102010501080108010901110112010901070104009300880086007700730072005900490045003600270027001800120016003000440052005900660074008901040117

ndash7941ndash8083ndash9045

ndash10755ndash10602ndash11464ndash12320ndash12827ndash13506ndash13975ndash14506ndash14897ndash15307ndash15861ndash16251ndash16686ndash17138ndash17432ndash176501775817265166061604815503149541459214111134721305112423117241173611291103881031995317549710866084082ndash1647ndash7389ndash8537ndash9281ndash9865

ndash10315ndash11108ndash12004ndash12582ndash12884ndash13528

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

04 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 2 Sndashparameters (TA = 25 degC)1

7 dB Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash317 0026 ndash13348ndash294 0034 ndash12460ndash280 0040 ndash12677ndash265 0047 ndash13328ndash253 0054 ndash13240ndash240 0063 ndash13646ndash233 0068 ndash14266ndash226 0074 ndash14550ndash218 0081 ndash15109ndash214 0085 ndash15551ndash210 0090 ndash15952ndash205 0094 ndash16429ndash203 0097 ndash16887ndash199 0101 ndash17367ndash197 0104 ndash17788ndash195 0106 17751ndash193 0108 17302ndash191 0111 16914ndash189 0114 16439ndash188 0115 15909ndash187 0116 15320ndash187 0116 14752ndash187 0116 14206ndash188 0115 13675ndash188 0115 13029ndash191 0111 12435ndash194 0108 11825ndash195 0105 11093ndash200 0100 10355ndash203 0096 9782ndash205 0095 9004ndash210 0089 8114ndash215 0084 7380ndash219 0080 6347ndash226 0074 5121ndash234 0068 4008ndash235 0067 2690ndash238 0064 1223ndash244 0060 ndash021ndash243 0061 ndash1313ndash237 0065 ndash2911ndash235 0067 ndash4590ndash231 0070 ndash5805ndash222 0078 ndash6950ndash218 0081 ndash8143ndash214 0085 ndash8879ndash205 0094 ndash9789ndash200 0100 ndash10742ndash193 0108 ndash11304ndash183 0122 ndash12078ndash179 0127 ndash13062

ndash70 0445 ndash1245ndash70 0448 ndash1694ndash70 0446 ndash2085ndash71 0440 ndash2492ndash71 0444 ndash2913ndash71 0444 ndash3345ndash71 0442 ndash3733ndash71 0443 ndash4138ndash71 0440 ndash4542ndash71 0440 ndash4926ndash71 0440 ndash5322ndash71 0442 ndash5730ndash71 0443 ndash6119ndash71 0443 ndash6526ndash71 0443 ndash6932ndash71 0444 ndash7316ndash70 0445 ndash7719ndash70 0448 ndash8135ndash69 0452 ndash8558ndash69 0453 ndash8987ndash69 0454 ndash9405ndash68 0455 ndash9829ndash68 0457 ndash10252ndash68 0459 ndash10682ndash67 0461 ndash11104ndash67 0464 ndash11538ndash66 0466 ndash11970ndash66 0469 ndash12419ndash65 0472 ndash12874ndash65 0474 ndash13333ndash64 0477 ndash13801ndash64 0480 ndash14268ndash63 0482 ndash14751ndash63 0484 ndash15227ndash63 0485 ndash15727ndash63 0485 ndash16214ndash63 0486 ndash16711ndash63 0485 ndash17215ndash63 0485 ndash17714ndash63 0484 17771ndash63 0483 17249ndash64 0481 16749ndash64 0478 16250ndash65 0475 15738ndash65 0472 15244ndash66 0468 14742ndash67 0464 14238ndash67 0460 13744ndash68 0456 13231ndash69 0451 12752ndash70 0448 12242

ndash71 0442 ndash1287ndash70 0446 ndash1733ndash70 0445 ndash2119ndash71 0441 ndash2527ndash70 0444 ndash2947ndash71 0443 ndash3371ndash71 0440 ndash3760ndash71 0441 ndash4166ndash71 0439 ndash4571ndash71 0440 ndash4951ndash71 0440 ndash5350ndash71 0441 ndash5752ndash71 0442 ndash6136ndash71 0442 ndash6543ndash71 0443 ndash6951ndash71 0444 ndash7335ndash70 0445 ndash7730ndash70 0448 ndash8147ndash69 0451 ndash8568ndash69 0452 ndash8996ndash69 0453 ndash9413ndash68 0455 ndash9838ndash68 0456 ndash10259ndash68 0458 ndash10681ndash67 0460 ndash11107ndash67 0462 ndash11530ndash66 0465 ndash11965ndash66 0468 ndash12413ndash65 0472 ndash12867ndash65 0474 ndash13322ndash64 0476 ndash13788ndash64 0478 ndash14256ndash64 0481 ndash14735ndash63 0483 ndash15217ndash63 0484 ndash15705ndash63 0485 ndash16192ndash63 0485 ndash16687ndash63 0485 ndash17181ndash63 0484 ndash17693ndash63 0483 17804ndash63 0481 17298ndash64 0479 16795ndash64 0477 16290ndash65 0473 15777ndash66 0470 15284ndash66 0467 14786ndash67 0463 14282ndash68 0459 13784ndash68 0455 13285ndash69 0451 12793ndash70 0447 12325

ndash342 0020 ndash6283ndash312 0027 ndash7054ndash309 0028 ndash8354ndash304 0030 ndash10295ndash289 0036 ndash10202ndash275 0042 ndash10892ndash270 0045 ndash11720ndash263 0048 ndash12445ndash258 0051 ndash13332ndash253 0054 ndash13991ndash249 0057 ndash14593ndash245 0059 ndash14984ndash243 0061 ndash15513ndash241 0063 ndash16185ndash238 0064 ndash16787ndash237 0065 ndash17383ndash236 0066 17978ndash235 0067 17592ndash234 0067 17185ndash234 0068 16531ndash234 0067 15756ndash234 0067 14938ndash233 0068 14329ndash230 0071 13607ndash233 0068 12908ndash236 0066 12416ndash238 0064 11491ndash248 0058 10214ndash255 0053 9319ndash251 0056 8173ndash255 0053 6645ndash267 0046 6041ndash266 0047 5129ndash266 0047 2919ndash272 0044 998ndash263 0048 034ndash244 0060 ndash1448ndash242 0061 ndash2773ndash241 0063 ndash3542ndash230 0071 ndash4675ndash219 0080 ndash6294ndash212 0087 ndash7373ndash200 0100 ndash8117ndash190 0112 ndash8897ndash186 0117 ndash9478ndash184 0121 ndash9991ndash181 0124 ndash10723ndash177 0131 ndash11495ndash170 0141 ndash12142ndash162 0154 ndash12640ndash158 0162 ndash13360

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

05 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 3 Sndashparameters (TA = 25 degC)1

12 dB Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash336 0021 ndash5393ndash316 0026 ndash6499ndash308 0029 ndash7288ndash298 0032 ndash8392ndash285 0038 ndash8943ndash275 0042 ndash9744ndash269 0045 ndash10504ndash262 0049 ndash11106ndash255 0053 ndash11816ndash252 0055 ndash12323ndash247 0058 ndash12832ndash243 0061 ndash13395ndash241 0063 ndash13886ndash237 0065 ndash14400ndash235 0067 ndash14878ndash233 0068 ndash15311ndash231 0070 ndash15811ndash229 0071 ndash16219ndash227 0073 ndash16722ndash227 0073 ndash17208ndash227 0073 ndash17823ndash229 0072 17638ndash230 0070 17100ndash232 0069 16658ndash234 0068 16064ndash239 0064 15579ndash244 0060 15123ndash250 0056 14429ndash261 0050 13876ndash267 0046 13521ndash274 0043 12661ndash290 0036 11983ndash306 0030 11713ndash327 0023 10740ndash376 0013 9367ndash449 0006 7404ndash439 0006 ndash1507ndash372 0014 ndash6095ndash342 0020 ndash8146ndash317 0026 ndash8861ndash288 0036 ndash9293ndash268 0046 ndash10307ndash257 0052 ndash10868ndash244 0060 ndash11293ndash234 0068 ndash11981ndash229 0071 ndash12347ndash219 0080 ndash12714ndash213 0086 ndash13352ndash206 0093 ndash13620ndash195 0106 ndash13982ndash190 0112 ndash14780

ndash121 0249 ndash1007ndash120 0251 ndash1380ndash120 0251 ndash1691ndash120 0250 ndash2039ndash119 0253 ndash2384ndash119 0254 ndash2743ndash119 0254 ndash3068ndash118 0256 ndash3409ndash118 0257 ndash3764ndash118 0258 ndash4089ndash117 0261 ndash4431ndash116 0264 ndash4788ndash115 0266 ndash5132ndash114 0268 ndash5497ndash113 0272 ndash5872ndash112 0274 ndash6234ndash111 0278 ndash6609ndash110 0282 ndash6991ndash109 0286 ndash7389ndash107 0290 ndash7807ndash107 0293 ndash8220ndash105 0297 ndash8640ndash104 0300 ndash9068ndash103 0304 ndash9496ndash103 0307 ndash9931ndash102 0310 ndash10366ndash100 0315 ndash10810ndash99 0318 ndash11271ndash98 0322 ndash11743ndash98 0324 ndash12212ndash97 0327 ndash12703ndash96 0330 ndash13182ndash96 0332 ndash13682ndash95 0333 ndash14168ndash95 0334 ndash14684ndash95 0334 ndash15184ndash95 0336 ndash15687ndash95 0335 ndash16191ndash95 0334 ndash16706ndash95 0334 ndash17215ndash96 0332 ndash17723ndash96 0330 17777ndash97 0328 17266ndash97 0326 16759ndash98 0324 16256ndash99 0321 15782ndash99 0319 15293ndash100 0316 14787ndash101 0313 14314ndash102 0310 13803ndash103 0306 13300

ndash121 0249 ndash1051ndash120 0251 ndash1424ndash120 0251 ndash1725ndash120 0250 ndash2071ndash119 0253 ndash2414ndash119 0253 ndash2776ndash119 0254 ndash3102ndash119 0256 ndash3439ndash118 0256 ndash3789ndash118 0258 ndash4114ndash117 0261 ndash4459ndash116 0263 ndash4816ndash115 0266 ndash5154ndash114 0268 ndash5521ndash113 0272 ndash5892ndash112 0275 ndash6250ndash111 0278 ndash6620ndash110 0282 ndash7009ndash109 0286 ndash7404ndash107 0290 ndash7821ndash107 0293 ndash8228ndash105 0297 ndash8649ndash104 0300 ndash9071ndash103 0304 ndash9499ndash103 0307 ndash9930ndash102 0310 ndash10364ndash101 0314 ndash10810ndash100 0318 ndash11272ndash99 0322 ndash11738ndash98 0324 ndash12208ndash97 0327 ndash12687ndash96 0329 ndash13177ndash96 0331 ndash13672ndash96 0333 ndash14163ndash95 0334 ndash14666ndash95 0335 ndash15158ndash95 0335 ndash15658ndash95 0334 ndash16161ndash95 0334 ndash16683ndash96 0333 ndash17190ndash96 0332 ndash17687ndash96 0330 17802ndash97 0329 17317ndash98 0325 16805ndash98 0323 16307ndash99 0321 15821ndash99 0318 15323

ndash100 0315 14825ndash101 0314 14341ndash102 0310 13860ndash102 0307 13397

ndash258 0051 ndash2277ndash253 0055 ndash3051ndash256 0053 ndash3704ndash261 0050 ndash4587ndash254 0054 ndash5116ndash249 0057 ndash5878ndash249 0057 ndash6578ndash249 0057 ndash7237ndash250 0056 ndash8012ndash251 0056 ndash8751ndash250 0056 ndash9398ndash247 0058 ndash9833ndash247 0058 ndash10393ndash247 0058 ndash11028ndash249 0057 ndash11572ndash251 0056 ndash12237ndash252 0055 ndash12838ndash252 0055 ndash13267ndash252 0055 ndash13605ndash255 0053 ndash14096ndash259 0051 ndash14732ndash265 0047 ndash15419ndash266 0047 ndash16111ndash268 0046 ndash17040ndash276 0042 ndash17467ndash279 0040 ndash17674ndash292 0035 17717ndash321 0025 17833ndash337 0021 ndash17819ndash368 0014 16610ndash460 0005 ndash16169ndash396 0010 ndash13292ndash411 0009 ndash12588ndash352 0017 ndash8210ndash312 0028 ndash8633ndash301 0031 ndash8248ndash275 0042 ndash7444ndash261 0049 ndash8347ndash259 0050 ndash8749ndash243 0061 ndash9117ndash224 0076 ndash10005ndash215 0084 ndash10622ndash204 0096 ndash10846ndash196 0105 ndash11220ndash191 0110 ndash11622ndash192 0110 ndash11975ndash187 0116 ndash12615ndash183 0121 ndash13170ndash178 0129 ndash13559ndash170 0141 ndash13973ndash165 0150 ndash14385

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

06 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 4 Sndashparameters (TA = 25 degC)1

17 dB Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash324 0024 ndash5009ndash308 0029 ndash6095ndash299 0032 ndash6935ndash289 0036 ndash7853ndash277 0041 ndash8443ndash267 0046 ndash9179ndash260 0050 ndash9845ndash253 0054 ndash10473ndash246 0059 ndash11045ndash241 0062 ndash11551ndash236 0066 ndash12030ndash231 0070 ndash12522ndash228 0072 ndash12981ndash224 0076 ndash13422ndash221 0078 ndash13817ndash219 0081 ndash14239ndash216 0084 ndash14656ndash213 0086 ndash15033ndash211 0088 ndash15447ndash210 0089 ndash15818ndash209 0090 ndash16273ndash209 0090 ndash16658ndash209 0090 ndash17028ndash208 0091 ndash17307ndash208 0091 ndash17707ndash209 0090 ndash17958ndash210 0090 17758ndash211 0088 17389ndash214 0086 17192ndash213 0086 16986ndash214 0085 16587ndash218 0082 16418ndash218 0082 16330ndash220 0079 16082ndash224 0076 16114ndash226 0074 16061ndash230 0071 15854ndash232 0069 15963ndash229 0072 15974ndash230 0071 15831ndash231 0070 15942ndash226 0074 16106ndash227 0073 15865ndash227 0073 15939ndash224 0076 15848ndash224 0076 15514ndash224 0076 15600ndash220 0079 15501ndash224 0076 15382ndash220 0079 15821ndash214 0085 15500

ndash172 0138 ndash827ndash171 0140 ndash1145ndash171 0140 ndash1405ndash170 0140 ndash1713ndash169 0142 ndash2014ndash169 0143 ndash2328ndash168 0144 ndash2612ndash167 0146 ndash2917ndash166 0147 ndash3236ndash165 0149 ndash3532ndash164 0151 ndash3859ndash163 0154 ndash4199ndash162 0156 ndash4522ndash160 0158 ndash4875ndash159 0160 ndash5241ndash158 0163 ndash5595ndash156 0166 ndash5974ndash155 0169 ndash6350ndash153 0171 ndash6747ndash152 0175 ndash7168ndash151 0177 ndash7584ndash150 0179 ndash8011ndash148 0181 ndash8455ndash147 0183 ndash8885ndash147 0185 ndash9313ndash146 0187 ndash9765ndash145 0189 ndash10208ndash144 0190 ndash10671ndash144 0192 ndash11141ndash143 0194 ndash11614ndash142 0194 ndash12095ndash142 0194 ndash12548ndash142 0195 ndash13045ndash142 0195 ndash13522ndash142 0195 ndash14025ndash142 0195 ndash14493ndash142 0195 ndash14978ndash143 0194 ndash15460ndash143 0193 ndash15930ndash144 0192 ndash16451ndash144 0191 ndash16907ndash145 0189 ndash17387ndash145 0188 ndash17860ndash146 0187 17665ndash147 0184 17140ndash148 0182 16694ndash149 0180 16207ndash149 0179 15743ndash151 0176 15275ndash152 0174 14805ndash153 0172 14297

ndash172 0138 ndash874ndash171 0140 ndash1198ndash170 0140 ndash1441ndash170 0140 ndash1749ndash169 0142 ndash2037ndash169 0143 ndash2361ndash168 0144 ndash2648ndash167 0146 ndash2950ndash166 0147 ndash3271ndash165 0149 ndash3573ndash164 0151 ndash3891ndash163 0154 ndash4218ndash161 0156 ndash4546ndash160 0158 ndash4897ndash159 0161 ndash5252ndash158 0163 ndash5613ndash156 0166 ndash5983ndash155 0169 ndash6367ndash153 0172 ndash6753ndash152 0174 ndash7169ndash150 0177 ndash7598ndash149 0179 ndash8020ndash148 0181 ndash8444ndash147 0183 ndash8874ndash147 0185 ndash9313ndash146 0187 ndash9767ndash145 0189 ndash10202ndash144 0190 ndash10676ndash143 0192 ndash11141ndash143 0193 ndash11605ndash143 0194 ndash12081ndash142 0194 ndash12548ndash142 0195 ndash13035ndash142 0195 ndash13504ndash142 0195 ndash13993ndash142 0195 ndash14464ndash142 0194 ndash14953ndash143 0194 ndash15422ndash143 0193 ndash15901ndash144 0191 ndash16402ndash144 0190 ndash16865ndash145 0189 ndash17356ndash145 0188 ndash17842ndash146 0185 17676ndash147 0184 17215ndash148 0182 16746ndash149 0179 16283ndash150 0179 15805ndash151 0176 15300ndash152 0174 14877ndash153 0172 14430

ndash261 0049 ndash2648ndash256 0052 ndash3456ndash258 0051 ndash4267ndash260 0050 ndash5192ndash253 0054 ndash5749ndash247 0058 ndash6509ndash243 0061 ndash7234ndash242 0062 ndash7931ndash241 0063 ndash8687ndash238 0064 ndash9413ndash236 0066 ndash10064ndash232 0069 ndash10482ndash230 0071 ndash11019ndash229 0072 ndash11622ndash228 0073 ndash12127ndash227 0074 ndash12742ndash226 0074 ndash13264ndash224 0076 ndash13628ndash223 0076 ndash14008ndash224 0076 ndash14418ndash224 0076 ndash14925ndash225 0075 ndash15415ndash224 0076 ndash15937ndash223 0077 ndash16555ndash224 0076 ndash16858ndash222 0077 ndash17046ndash226 0074 ndash17430ndash235 0067 ndash17442ndash235 0067 ndash17532ndash239 0064 17856ndash247 0058 17831ndash239 0064 17937ndash238 0064 17495ndash245 0060 17757ndash242 0062 ndash17849ndash246 0059 17734ndash257 0052 17918ndash252 0055 ndash17954ndash249 0057 17428ndash251 0056 17683ndash240 0063 ndash17768ndash234 0067 ndash17757ndash235 0067 ndash17366ndash231 0070 ndash17230ndash230 0071 ndash17491ndash233 0068 17985ndash229 0072 17696ndash224 0076 17505ndash220 0080 17611ndash215 0084 17706ndash208 0091 17745

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

07 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 5 Sndashparameters (TA = 25 degC)1

22 dB setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash342 0020 ndash9085ndash316 0026 ndash9443ndash299 0032 ndash9890ndash283 0038 ndash10335ndash269 0045 ndash10622ndash257 0052 ndash11032ndash246 0059 ndash11456ndash238 0064 ndash11894ndash230 0071 ndash12280ndash224 0076 ndash12633ndash217 0082 ndash12977ndash212 0087 ndash13358ndash207 0092 ndash13711ndash203 0097 ndash14034ndash199 0101 ndash14361ndash195 0106 ndash14668ndash191 0111 ndash15015ndash187 0116 ndash15326ndash184 0120 ndash15665ndash181 0124 ndash15979ndash179 0127 ndash16324ndash177 0130 ndash16653ndash175 0133 ndash16958ndash173 0136 ndash17216ndash171 0140 ndash17555ndash169 0142 ndash17831ndash167 0146 17900ndash166 0148 17556ndash165 0149 17293ndash163 0154 17022ndash161 0156 16631ndash161 0156 16375ndash159 0160 16145ndash159 0161 15796ndash159 0161 15575ndash158 0162 15285ndash158 0162 14938ndash158 0162 14703ndash156 0165 14467ndash155 0167 14131ndash156 0166 13885ndash154 0169 13695ndash154 0171 13352ndash155 0169 13057ndash154 0171 12793ndash153 0171 12385ndash154 0169 12152ndash153 0171 11860ndash155 0167 11522ndash157 0164 11456ndash155 0168 11185

ndash219 0080 ndash860ndash218 0081 ndash1211ndash218 0082 ndash1463ndash218 0082 ndash1798ndash217 0082 ndash2101ndash217 0082 ndash2421ndash217 0082 ndash2726ndash216 0084 ndash3039ndash215 0084 ndash3390ndash215 0084 ndash3691ndash214 0085 ndash4023ndash213 0086 ndash4368ndash213 0086 ndash4682ndash212 0087 ndash5056ndash211 0088 ndash5404ndash211 0088 ndash5756ndash210 0089 ndash6129ndash209 0090 ndash6493ndash208 0091 ndash6882ndash208 0091 ndash7266ndash207 0092 ndash7685ndash207 0092 ndash8099ndash207 0092 ndash8474ndash207 0092 ndash8906ndash207 0093 ndash9299ndash207 0093 ndash9716ndash206 0093 ndash10102ndash206 0093 ndash10532ndash206 0093 ndash10936ndash207 0093 ndash11398ndash207 0092 ndash11804ndash207 0092 ndash12228ndash208 0091 ndash12691ndash208 0091 ndash13111ndash209 0090 ndash13514ndash210 0090 ndash13964ndash210 0089 ndash14372ndash211 0088 ndash14816ndash212 0087 ndash15246ndash212 0087 ndash15706ndash214 0085 ndash16115ndash215 0084 ndash16543ndash216 0083 ndash16961ndash217 0082 ndash17434ndash217 0082 ndash17865ndash219 0080 17742ndash221 0078 17341ndash223 0077 16950ndash224 0076 16497ndash226 0074 16076ndash223 0076 15573

ndash219 0081 ndash905ndash218 0082 ndash1250ndash218 0082 ndash1512ndash218 0082 ndash1829ndash217 0082 ndash2141ndash217 0083 ndash2470ndash216 0083 ndash2788ndash216 0084 ndash3078ndash215 0084 ndash3426ndash215 0084 ndash3720ndash214 0085 ndash4050ndash213 0086 ndash4393ndash212 0087 ndash4719ndash212 0087 ndash5076ndash211 0088 ndash5432ndash211 0088 ndash5799ndash210 0089 ndash6135ndash209 0090 ndash6511ndash208 0091 ndash6897ndash208 0091 ndash7285ndash207 0092 ndash7697ndash207 0092 ndash8101ndash207 0092 ndash8508ndash207 0092 ndash8879ndash207 0092 ndash9303ndash207 0093 ndash9706ndash207 0092 ndash10096ndash207 0093 ndash10531ndash206 0093 ndash10959ndash207 0092 ndash11370ndash207 0092 ndash11793ndash207 0092 ndash12226ndash208 0092 ndash12657ndash208 0091 ndash13094ndash209 0090 ndash13519ndash210 0089 ndash13943ndash211 0089 ndash14373ndash212 0087 ndash14803ndash212 0087 ndash15223ndash213 0086 ndash15671ndash213 0086 ndash16057ndash215 0085 ndash16518ndash216 0083 ndash16940ndash217 0082 ndash17393ndash219 0080 ndash17810ndash220 0079 17847ndash221 0078 17379ndash222 0077 16952ndash225 0075 16550ndash225 0075 16200ndash228 0073 15661

ndash299 0032 ndash4515ndash287 0037 ndash5532ndash282 0039 ndash6651ndash275 0042 ndash7707ndash264 0048 ndash8188ndash253 0055 ndash8804ndash244 0060 ndash9456ndash238 0064 ndash10107ndash233 0068 ndash10727ndash227 0074 ndash11336ndash221 0078 ndash11864ndash216 0084 ndash12204ndash211 0088 ndash12626ndash207 0092 ndash13095ndash204 0096 ndash13522ndash200 0100 ndash13980ndash197 0103 ndash14395ndash194 0107 ndash14709ndash191 0111 ndash15053ndash189 0114 ndash15403ndash187 0117 ndash15798ndash185 0119 ndash16201ndash181 0124 ndash16607ndash178 0128 ndash17087ndash177 0131 ndash17368ndash174 0136 ndash17587ndash173 0136 ndash17960ndash175 0134 17827ndash173 0137 17591ndash172 0138 17075ndash173 0136 16825ndash168 0144 16691ndash165 0150 16232ndash167 0146 16022ndash165 0149 15908ndash165 0150 15440ndash168 0144 15083ndash166 0148 14855ndash163 0154 14380ndash164 0152 14105ndash163 0153 14109ndash162 0155 13916ndash164 0151 13662ndash165 0150 13479ndash165 0149 13057ndash164 0152 12538ndash163 0153 12227ndash162 0154 11955ndash163 0153 11791ndash165 0149 11727ndash166 0148 11614

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

08 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 6 Sndashparameters (TA = 25 degC)1

27 dB Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash297 0033 ndash5414ndash282 0039 ndash6510ndash269 0045 ndash7349ndash257 0052 ndash8080ndash245 0060 ndash8675ndash234 0068 ndash9282ndash225 0075 ndash9822ndash217 0082 ndash10335ndash209 0090 ndash10848ndash203 0096 ndash11261ndash196 0104 ndash11677ndash191 0111 ndash12101ndash186 0118 ndash12488ndash181 0125 ndash12874ndash176 0131 ndash13238ndash172 0138 ndash13593ndash167 0146 ndash13961ndash163 0153 ndash14320ndash160 0159 ndash14688ndash156 0165 ndash15033ndash153 0171 ndash15399ndash151 0176 ndash15748ndash148 0181 ndash16082ndash145 0188 ndash16397ndash142 0194 ndash16757ndash140 0200 ndash17077ndash137 0206 ndash17398ndash135 0210 ndash17756ndash134 0215 17935ndash131 0222 17601ndash129 0226 17185ndash128 0229 16893ndash126 0235 16597ndash125 0238 16230ndash124 0240 15932ndash122 0244 15623ndash122 0246 15235ndash121 0248 14938ndash119 0254 14643ndash118 0257 14275ndash117 0259 13993ndash116 0264 13710ndash115 0267 13338ndash115 0267 13008ndash114 0271 12694ndash113 0273 12273ndash113 0273 11945ndash112 0276 11626ndash113 0274 11267ndash114 0270 11068ndash112 0277 10768

ndash266 0047 ndash1026ndash266 0047 ndash1458ndash266 0047 ndash1747ndash267 0046 ndash2159ndash267 0046 ndash2512ndash268 0046 ndash2865ndash269 0045 ndash3225ndash269 0045 ndash3542ndash270 0045 ndash3891ndash271 0044 ndash4222ndash272 0044 ndash4533ndash272 0044 ndash4863ndash273 0043 ndash5198ndash273 0043 ndash5533ndash273 0043 ndash5861ndash275 0042 ndash6219ndash275 0042 ndash6501ndash276 0042 ndash6868ndash276 0042 ndash7177ndash276 0042 ndash7538ndash277 0041 ndash7866ndash278 0041 ndash8235ndash279 0040 ndash8543ndash280 0040 ndash8891ndash281 0039 ndash9210ndash281 0039 ndash9536ndash282 0039 ndash9881ndash284 0038 ndash10201ndash284 0038 ndash10600ndash285 0038 ndash10962ndash286 0037 ndash11305ndash287 0037 ndash11704ndash288 0036 ndash12046ndash289 0036 ndash12337ndash290 0036 ndash12693ndash292 0035 ndash13042ndash294 0034 ndash13467ndash296 0033 ndash13699ndash297 0033 ndash14040ndash297 0033 ndash14373ndash299 0032 ndash14771ndash300 0032 ndash15137ndash301 0031 ndash15538ndash304 0030 ndash15918ndash309 0028 ndash16311ndash311 0028 ndash16324ndash311 0028 ndash16740ndash313 0027 ndash17026ndash314 0027 ndash17212ndash313 0027 ndash17530ndash318 0026 ndash17915

ndash266 0047 ndash1081ndash266 0047 ndash1505ndash266 0047 ndash1790ndash267 0046 ndash2184ndash267 0046 ndash2545ndash268 0046 ndash2904ndash268 0046 ndash3259ndash269 0045 ndash3577ndash270 0045 ndash3944ndash271 0044 ndash4242ndash271 0044 ndash4591ndash272 0044 ndash4904ndash272 0044 ndash5234ndash273 0043 ndash5564ndash273 0043 ndash5879ndash274 0042 ndash6195ndash275 0042 ndash6538ndash276 0042 ndash6837ndash276 0042 ndash7187ndash276 0042 ndash7521ndash277 0041 ndash7891ndash278 0041 ndash8239ndash279 0040 ndash8583ndash280 0040 ndash8908ndash281 0039 ndash9204ndash282 0039 ndash9540ndash282 0039 ndash9889ndash283 0038 ndash10245ndash284 0038 ndash10613ndash285 0038 ndash10891ndash285 0037 ndash11314ndash288 0036 ndash11673ndash288 0036 ndash11986ndash289 0036 ndash12288ndash291 0035 ndash12724ndash294 0034 ndash13048ndash293 0034 ndash13411ndash296 0033 ndash13704ndash297 0033 ndash14066ndash299 0032 ndash14344ndash300 0032 ndash14756ndash301 0031 ndash15105ndash302 0031 ndash15532ndash305 0030 ndash15850ndash308 0029 ndash16247ndash310 0028 ndash16298ndash312 0027 ndash16744ndash314 0027 ndash16927ndash316 0026 ndash17277ndash315 0026 ndash17471ndash316 0026 17962

ndash284 0038 ndash4502ndash272 0044 ndash5534ndash264 0048 ndash6494ndash255 0053 ndash7376ndash245 0060 ndash7961ndash234 0067 ndash8647ndash226 0074 ndash9285ndash219 0080 ndash9879ndash212 0087 ndash10413ndash206 0094 ndash10943ndash200 0100 ndash11452ndash194 0107 ndash11830ndash189 0114 ndash12259ndash184 0120 ndash12693ndash180 0126 ndash13085ndash175 0133 ndash13511ndash171 0139 ndash13903ndash167 0146 ndash14260ndash164 0152 ndash14610ndash161 0157 ndash14965ndash157 0163 ndash15354ndash155 0168 ndash15752ndash151 0176 ndash16162ndash148 0183 ndash16621ndash145 0188 ndash16935ndash142 0196 ndash17193ndash140 0200 ndash17566ndash140 0200 ndash17831ndash137 0206 17889ndash135 0210 17414ndash135 0211 17103ndash131 0222 16864ndash127 0230 16412ndash128 0230 16135ndash125 0236 15931ndash124 0240 15476ndash125 0236 15089ndash123 0242 14807ndash121 0250 14338ndash121 0250 14017ndash119 0253 13870ndash118 0258 13576ndash119 0255 13262ndash119 0254 12984ndash118 0258 12560ndash117 0261 12101ndash115 0265 11755ndash115 0267 11468ndash115 0268 11178ndash115 0265 10939ndash115 0265 10735

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

09 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 7 Sndashparameters (TA = 25 degC)1

Maximum Attenuation Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash355 0017 ndash4503ndash337 0021 ndash5340ndash324 0024 ndash6024ndash308 0029 ndash6634ndash293 0034 ndash7212ndash281 0039 ndash7806ndash270 0045 ndash8360ndash260 0050 ndash8899ndash252 0055 ndash9388ndash245 0060 ndash9783ndash237 0065 ndash10206ndash230 0070 ndash10626ndash224 0076 ndash10981ndash218 0081 ndash11365ndash213 0086 ndash11701ndash207 0092 ndash12051ndash202 0098 ndash12414ndash197 0103 ndash12767ndash193 0109 ndash13134ndash189 0114 ndash13448ndash185 0119 ndash13803ndash182 0123 ndash14137ndash179 0128 ndash14454ndash174 0135 ndash14755ndash171 0140 ndash15101ndash167 0146 ndash15396ndash164 0152 ndash15702ndash161 0156 ndash16051ndash158 0161 ndash16333ndash155 0169 ndash16678ndash152 0173 ndash17090ndash150 0178 ndash17364ndash147 0184 ndash17680ndash145 0189 17954ndash143 0192 17703ndash141 0198 17399ndash139 0201 17013ndash138 0205 16730ndash134 0213 16418ndash132 0218 16036ndash131 0222 15766ndash128 0229 15470ndash126 0235 15086ndash125 0238 14774ndash123 0243 14423ndash121 0248 14001ndash120 0250 13700ndash118 0256 13344ndash118 0258 12988ndash118 0258 12834ndash114 0269 12433

ndash342 0019 ndash2062ndash344 0019 ndash2784ndash349 0018 ndash3295ndash354 0017 ndash3949ndash358 0016 ndash4389ndash364 0015 ndash4972ndash369 0014 ndash5372ndash375 0013 ndash5649ndash381 0012 ndash6032ndash387 0012 ndash6308ndash394 0011 ndash6517ndash398 0010 ndash6723ndash404 0010 ndash6929ndash408 0009 ndash7122ndash413 0009 ndash7053ndash416 0008 ndash7391ndash422 0008 ndash7429ndash424 0008 ndash7430ndash426 0007 ndash7464ndash431 0007 ndash7858ndash433 0007 ndash8026ndash440 0006 ndash8042ndash440 0006 ndash8294ndash446 0006 ndash8073ndash450 0006 ndash8204ndash452 0006 ndash8597ndash454 0005 ndash8618ndash455 0005 ndash8622ndash462 0005 ndash8648ndash460 0005 ndash9200ndash466 0005 ndash8668ndash471 0004 ndash8787ndash475 0004 ndash9048ndash480 0004 ndash9190ndash484 0004 ndash9449ndash491 0004 ndash9074ndash502 0003 ndash9243ndash508 0003 ndash9049ndash508 0003 ndash9439ndash508 0003 ndash7660ndash502 0003 ndash8467ndash517 0003 ndash8837ndash511 0003 ndash7462ndash520 0002 ndash8205ndash554 0002 ndash5919ndash528 0002 ndash4646ndash532 0002 ndash4125ndash505 0003 ndash4224ndash471 0004 ndash4615ndash471 0004 ndash4661ndash454 0005 ndash5316

ndash342 0019 ndash2126ndash344 0019 ndash2825ndash348 0018 ndash3274ndash353 0017 ndash3939ndash358 0016 ndash4408ndash364 0015 ndash4921ndash369 0014 ndash5333ndash376 0013 ndash5674ndash382 0012 ndash6052ndash387 0012 ndash6316ndash393 0011 ndash6601ndash397 0010 ndash6740ndash403 0010 ndash6899ndash409 0009 ndash7216ndash413 0009 ndash7316ndash419 0008 ndash7426ndash423 0008 ndash7361ndash426 0007 ndash7689ndash429 0007 ndash7492ndash430 0007 ndash7912ndash433 0007 ndash8003ndash440 0006 ndash7983ndash444 0006 ndash8330ndash449 0006 ndash8030ndash450 0006 ndash8157ndash457 0005 ndash8393ndash455 0005 ndash8365ndash457 0005 ndash8914ndash457 0005 ndash8609ndash464 0005 ndash8668ndash466 0005 ndash9157ndash473 0004 ndash8978ndash480 0004 ndash9521ndash477 0004 ndash9141ndash480 0004 ndash9412ndash491 0004 ndash9313ndash494 0003 ndash9281ndash505 0003 ndash8723ndash496 0003 ndash9659ndash520 0002 ndash8819ndash508 0003 ndash8023ndash502 0003 ndash8600ndash524 0002 ndash9170ndash528 0002 ndash8103ndash554 0002 ndash6095ndash514 0003 ndash5216ndash491 0004 ndash5431ndash482 0004 ndash5162ndash475 0004 ndash3932ndash464 0005 ndash6722ndash466 0005 ndash6333

ndash345 0019 ndash4099ndash330 0022 ndash4785ndash320 0025 ndash5530ndash307 0029 ndash6265ndash294 0034 ndash6757ndash282 0039 ndash7480ndash272 0044 ndash8099ndash264 0048 ndash8667ndash256 0053 ndash9173ndash247 0058 ndash9712ndash240 0063 ndash10218ndash233 0068 ndash10574ndash227 0073 ndash10959ndash221 0078 ndash11378ndash216 0083 ndash11753ndash210 0089 ndash12152ndash205 0094 ndash12533ndash201 0099 ndash12870ndash196 0105 ndash13199ndash192 0110 ndash13513ndash188 0115 ndash13874ndash184 0120 ndash14254ndash179 0127 ndash14671ndash175 0133 ndash15172ndash172 0138 ndash15475ndash167 0146 ndash15722ndash165 0150 ndash16069ndash164 0152 ndash16256ndash160 0159 ndash16520ndash158 0163 ndash17012ndash157 0165 ndash17267ndash150 0178 ndash17538ndash146 0186 17992ndash145 0188 17766ndash141 0196 17561ndash140 0200 17091ndash141 0198 16758ndash137 0206 16458ndash134 0214 15959ndash132 0218 15661ndash129 0226 15512ndash126 0233 15224ndash126 0234 14917ndash125 0236 14652ndash123 0242 14237ndash122 0246 13736ndash120 0253 13376ndash117 0260 13040ndash116 0263 12767ndash115 0265 12532ndash114 0269 12297

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

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010 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

03 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 1 Sndashparameters (TA = 25 degC)1

Minimum Attenuation Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash324 0024 ndash7991ndash283 0038 ndash8077ndash277 0041 ndash9193ndash267 0046 ndash10679ndash251 0056 ndash10568ndash238 0064 ndash11410ndash234 0067 ndash12248ndash227 0073 ndash12590ndash220 0080 ndash13364ndash218 0081 ndash13835ndash214 0085 ndash14158ndash209 0090 ndash14684ndash208 0091 ndash15080ndash205 0095 ndash15601ndash202 0098 ndash15927ndash202 0098 ndash16275ndash199 0101 ndash16692ndash196 0105 ndash16981ndash192 0109 ndash17353ndash191 0111 ndash17896ndash192 0110 17641ndash192 0110 17054ndash191 0111 16606ndash191 0111 16092ndash193 0108 15424ndash198 0102 15079ndash201 0098 14610ndash205 0094 14123ndash213 0086 13573ndash216 0083 13346ndash219 0080 12749ndash227 0074 12162ndash233 0068 11718ndash245 0060 10920ndash263 0049 10338ndash281 0039 9964ndash301 0031 8969ndash331 0022 8215ndash352 0017 7555ndash376 0013 4799ndash370 0014 ndash2101ndash334 0022 ndash6773ndash305 0030 ndash8467ndash277 0041 ndash9323ndash262 0049 ndash10267ndash250 0056 ndash10538ndash233 0068 ndash11085ndash222 0078 ndash11827ndash210 0089 ndash11977ndash194 0107 ndash12467ndash185 0118 ndash13337

ndash09 0900 ndash1255ndash09 0906 ndash1698ndash09 0902 ndash2094ndash10 0894 ndash2508ndash09 0900 ndash2930ndash10 0896 ndash3359ndash10 0890 ndash3753ndash10 0891 ndash4160ndash10 0886 ndash4572ndash11 0885 ndash4962ndash11 0885 ndash5357ndash11 0884 ndash5771ndash11 0884 ndash6165ndash11 0881 ndash6573ndash11 0882 ndash6988ndash11 0881 ndash7372ndash11 0881 ndash7771ndash11 0882 ndash8191ndash11 0885 ndash8616ndash11 0883 ndash9049ndash11 0882 ndash9458ndash11 0879 ndash9878ndash11 0876 ndash10286ndash12 0875 ndash10696ndash12 0872 ndash11098ndash12 0872 ndash11501ndash12 0873 ndash11908ndash12 0873 ndash12324ndash12 0873 ndash12737ndash12 0872 ndash13150ndash12 0872 ndash13573ndash12 0873 ndash13984ndash12 0872 ndash14415ndash12 0872 ndash14836ndash12 0872 ndash15272ndash12 0871 ndash15691ndash12 0872 ndash16125ndash12 0872 ndash16559ndash12 0870 ndash16997ndash12 0868 ndash17437ndash13 0865 ndash17866ndash13 0862 17702ndash13 0860 17272ndash13 0857 16830ndash14 0855 16401ndash14 0853 15972ndash14 0852 15534ndash14 0850 15093ndash15 0846 14655ndash15 0843 14222ndash15 0840 13779

ndash09 0900 ndash1299ndash09 0906 ndash1743ndash09 0902 ndash2132ndash10 0894 ndash2545ndash09 0900 ndash2965ndash10 0896 ndash3391ndash10 0890 ndash3786ndash10 0891 ndash4193ndash10 0886 ndash4605ndash11 0885 ndash4992ndash11 0885 ndash5387ndash11 0884 ndash5799ndash11 0884 ndash6188ndash11 0881 ndash6594ndash11 0882 ndash7009ndash11 0881 ndash7391ndash11 0881 ndash7788ndash11 0882 ndash8208ndash11 0885 ndash8632ndash11 0883 ndash9060ndash11 0882 ndash9471ndash11 0878 ndash9890ndash11 0876 ndash10295ndash12 0874 ndash10702ndash12 0872 ndash11102ndash12 0871 ndash11500ndash12 0872 ndash11907ndash12 0872 ndash12320ndash12 0872 ndash12735ndash12 0872 ndash13149ndash12 0872 ndash13566ndash12 0872 ndash13981ndash12 0872 ndash14406ndash12 0872 ndash14825ndash12 0872 ndash15254ndash12 0870 ndash15672ndash12 0872 ndash16100ndash12 0872 ndash16539ndash12 0870 ndash16975ndash12 0867 ndash17411ndash13 0864 ndash17840ndash13 0861 17730ndash13 0860 17303ndash13 0857 16864ndash14 0854 16438ndash14 0854 16003ndash14 0851 15575ndash14 0849 15137ndash15 0845 14697ndash15 0842 14269ndash15 0838 13834

ndash322ndash287ndash279ndash268ndash254ndash242ndash236ndash230ndash223ndash219ndash216ndash210ndash209ndash206ndash203ndash203ndash202ndash198ndash195ndash194ndash193ndash192ndash191ndash190ndash192ndash194ndash197ndash206ndash211ndash213ndash222ndash228ndash229ndash245ndash262ndash269ndash289ndash313ndash315ndash347ndash387ndash362ndash304ndash271ndash257ndash246ndash236ndash227ndash211ndash197ndash186

002400370040004600540062006600710077008000830089009000930097009600980102010501080108010901110112010901070104009300880086007700730072005900490045003600270027001800120016003000440052005900660074008901040117

ndash7941ndash8083ndash9045

ndash10755ndash10602ndash11464ndash12320ndash12827ndash13506ndash13975ndash14506ndash14897ndash15307ndash15861ndash16251ndash16686ndash17138ndash17432ndash176501775817265166061604815503149541459214111134721305112423117241173611291103881031995317549710866084082ndash1647ndash7389ndash8537ndash9281ndash9865

ndash10315ndash11108ndash12004ndash12582ndash12884ndash13528

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

04 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 2 Sndashparameters (TA = 25 degC)1

7 dB Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash317 0026 ndash13348ndash294 0034 ndash12460ndash280 0040 ndash12677ndash265 0047 ndash13328ndash253 0054 ndash13240ndash240 0063 ndash13646ndash233 0068 ndash14266ndash226 0074 ndash14550ndash218 0081 ndash15109ndash214 0085 ndash15551ndash210 0090 ndash15952ndash205 0094 ndash16429ndash203 0097 ndash16887ndash199 0101 ndash17367ndash197 0104 ndash17788ndash195 0106 17751ndash193 0108 17302ndash191 0111 16914ndash189 0114 16439ndash188 0115 15909ndash187 0116 15320ndash187 0116 14752ndash187 0116 14206ndash188 0115 13675ndash188 0115 13029ndash191 0111 12435ndash194 0108 11825ndash195 0105 11093ndash200 0100 10355ndash203 0096 9782ndash205 0095 9004ndash210 0089 8114ndash215 0084 7380ndash219 0080 6347ndash226 0074 5121ndash234 0068 4008ndash235 0067 2690ndash238 0064 1223ndash244 0060 ndash021ndash243 0061 ndash1313ndash237 0065 ndash2911ndash235 0067 ndash4590ndash231 0070 ndash5805ndash222 0078 ndash6950ndash218 0081 ndash8143ndash214 0085 ndash8879ndash205 0094 ndash9789ndash200 0100 ndash10742ndash193 0108 ndash11304ndash183 0122 ndash12078ndash179 0127 ndash13062

ndash70 0445 ndash1245ndash70 0448 ndash1694ndash70 0446 ndash2085ndash71 0440 ndash2492ndash71 0444 ndash2913ndash71 0444 ndash3345ndash71 0442 ndash3733ndash71 0443 ndash4138ndash71 0440 ndash4542ndash71 0440 ndash4926ndash71 0440 ndash5322ndash71 0442 ndash5730ndash71 0443 ndash6119ndash71 0443 ndash6526ndash71 0443 ndash6932ndash71 0444 ndash7316ndash70 0445 ndash7719ndash70 0448 ndash8135ndash69 0452 ndash8558ndash69 0453 ndash8987ndash69 0454 ndash9405ndash68 0455 ndash9829ndash68 0457 ndash10252ndash68 0459 ndash10682ndash67 0461 ndash11104ndash67 0464 ndash11538ndash66 0466 ndash11970ndash66 0469 ndash12419ndash65 0472 ndash12874ndash65 0474 ndash13333ndash64 0477 ndash13801ndash64 0480 ndash14268ndash63 0482 ndash14751ndash63 0484 ndash15227ndash63 0485 ndash15727ndash63 0485 ndash16214ndash63 0486 ndash16711ndash63 0485 ndash17215ndash63 0485 ndash17714ndash63 0484 17771ndash63 0483 17249ndash64 0481 16749ndash64 0478 16250ndash65 0475 15738ndash65 0472 15244ndash66 0468 14742ndash67 0464 14238ndash67 0460 13744ndash68 0456 13231ndash69 0451 12752ndash70 0448 12242

ndash71 0442 ndash1287ndash70 0446 ndash1733ndash70 0445 ndash2119ndash71 0441 ndash2527ndash70 0444 ndash2947ndash71 0443 ndash3371ndash71 0440 ndash3760ndash71 0441 ndash4166ndash71 0439 ndash4571ndash71 0440 ndash4951ndash71 0440 ndash5350ndash71 0441 ndash5752ndash71 0442 ndash6136ndash71 0442 ndash6543ndash71 0443 ndash6951ndash71 0444 ndash7335ndash70 0445 ndash7730ndash70 0448 ndash8147ndash69 0451 ndash8568ndash69 0452 ndash8996ndash69 0453 ndash9413ndash68 0455 ndash9838ndash68 0456 ndash10259ndash68 0458 ndash10681ndash67 0460 ndash11107ndash67 0462 ndash11530ndash66 0465 ndash11965ndash66 0468 ndash12413ndash65 0472 ndash12867ndash65 0474 ndash13322ndash64 0476 ndash13788ndash64 0478 ndash14256ndash64 0481 ndash14735ndash63 0483 ndash15217ndash63 0484 ndash15705ndash63 0485 ndash16192ndash63 0485 ndash16687ndash63 0485 ndash17181ndash63 0484 ndash17693ndash63 0483 17804ndash63 0481 17298ndash64 0479 16795ndash64 0477 16290ndash65 0473 15777ndash66 0470 15284ndash66 0467 14786ndash67 0463 14282ndash68 0459 13784ndash68 0455 13285ndash69 0451 12793ndash70 0447 12325

ndash342 0020 ndash6283ndash312 0027 ndash7054ndash309 0028 ndash8354ndash304 0030 ndash10295ndash289 0036 ndash10202ndash275 0042 ndash10892ndash270 0045 ndash11720ndash263 0048 ndash12445ndash258 0051 ndash13332ndash253 0054 ndash13991ndash249 0057 ndash14593ndash245 0059 ndash14984ndash243 0061 ndash15513ndash241 0063 ndash16185ndash238 0064 ndash16787ndash237 0065 ndash17383ndash236 0066 17978ndash235 0067 17592ndash234 0067 17185ndash234 0068 16531ndash234 0067 15756ndash234 0067 14938ndash233 0068 14329ndash230 0071 13607ndash233 0068 12908ndash236 0066 12416ndash238 0064 11491ndash248 0058 10214ndash255 0053 9319ndash251 0056 8173ndash255 0053 6645ndash267 0046 6041ndash266 0047 5129ndash266 0047 2919ndash272 0044 998ndash263 0048 034ndash244 0060 ndash1448ndash242 0061 ndash2773ndash241 0063 ndash3542ndash230 0071 ndash4675ndash219 0080 ndash6294ndash212 0087 ndash7373ndash200 0100 ndash8117ndash190 0112 ndash8897ndash186 0117 ndash9478ndash184 0121 ndash9991ndash181 0124 ndash10723ndash177 0131 ndash11495ndash170 0141 ndash12142ndash162 0154 ndash12640ndash158 0162 ndash13360

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

05 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 3 Sndashparameters (TA = 25 degC)1

12 dB Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash336 0021 ndash5393ndash316 0026 ndash6499ndash308 0029 ndash7288ndash298 0032 ndash8392ndash285 0038 ndash8943ndash275 0042 ndash9744ndash269 0045 ndash10504ndash262 0049 ndash11106ndash255 0053 ndash11816ndash252 0055 ndash12323ndash247 0058 ndash12832ndash243 0061 ndash13395ndash241 0063 ndash13886ndash237 0065 ndash14400ndash235 0067 ndash14878ndash233 0068 ndash15311ndash231 0070 ndash15811ndash229 0071 ndash16219ndash227 0073 ndash16722ndash227 0073 ndash17208ndash227 0073 ndash17823ndash229 0072 17638ndash230 0070 17100ndash232 0069 16658ndash234 0068 16064ndash239 0064 15579ndash244 0060 15123ndash250 0056 14429ndash261 0050 13876ndash267 0046 13521ndash274 0043 12661ndash290 0036 11983ndash306 0030 11713ndash327 0023 10740ndash376 0013 9367ndash449 0006 7404ndash439 0006 ndash1507ndash372 0014 ndash6095ndash342 0020 ndash8146ndash317 0026 ndash8861ndash288 0036 ndash9293ndash268 0046 ndash10307ndash257 0052 ndash10868ndash244 0060 ndash11293ndash234 0068 ndash11981ndash229 0071 ndash12347ndash219 0080 ndash12714ndash213 0086 ndash13352ndash206 0093 ndash13620ndash195 0106 ndash13982ndash190 0112 ndash14780

ndash121 0249 ndash1007ndash120 0251 ndash1380ndash120 0251 ndash1691ndash120 0250 ndash2039ndash119 0253 ndash2384ndash119 0254 ndash2743ndash119 0254 ndash3068ndash118 0256 ndash3409ndash118 0257 ndash3764ndash118 0258 ndash4089ndash117 0261 ndash4431ndash116 0264 ndash4788ndash115 0266 ndash5132ndash114 0268 ndash5497ndash113 0272 ndash5872ndash112 0274 ndash6234ndash111 0278 ndash6609ndash110 0282 ndash6991ndash109 0286 ndash7389ndash107 0290 ndash7807ndash107 0293 ndash8220ndash105 0297 ndash8640ndash104 0300 ndash9068ndash103 0304 ndash9496ndash103 0307 ndash9931ndash102 0310 ndash10366ndash100 0315 ndash10810ndash99 0318 ndash11271ndash98 0322 ndash11743ndash98 0324 ndash12212ndash97 0327 ndash12703ndash96 0330 ndash13182ndash96 0332 ndash13682ndash95 0333 ndash14168ndash95 0334 ndash14684ndash95 0334 ndash15184ndash95 0336 ndash15687ndash95 0335 ndash16191ndash95 0334 ndash16706ndash95 0334 ndash17215ndash96 0332 ndash17723ndash96 0330 17777ndash97 0328 17266ndash97 0326 16759ndash98 0324 16256ndash99 0321 15782ndash99 0319 15293ndash100 0316 14787ndash101 0313 14314ndash102 0310 13803ndash103 0306 13300

ndash121 0249 ndash1051ndash120 0251 ndash1424ndash120 0251 ndash1725ndash120 0250 ndash2071ndash119 0253 ndash2414ndash119 0253 ndash2776ndash119 0254 ndash3102ndash119 0256 ndash3439ndash118 0256 ndash3789ndash118 0258 ndash4114ndash117 0261 ndash4459ndash116 0263 ndash4816ndash115 0266 ndash5154ndash114 0268 ndash5521ndash113 0272 ndash5892ndash112 0275 ndash6250ndash111 0278 ndash6620ndash110 0282 ndash7009ndash109 0286 ndash7404ndash107 0290 ndash7821ndash107 0293 ndash8228ndash105 0297 ndash8649ndash104 0300 ndash9071ndash103 0304 ndash9499ndash103 0307 ndash9930ndash102 0310 ndash10364ndash101 0314 ndash10810ndash100 0318 ndash11272ndash99 0322 ndash11738ndash98 0324 ndash12208ndash97 0327 ndash12687ndash96 0329 ndash13177ndash96 0331 ndash13672ndash96 0333 ndash14163ndash95 0334 ndash14666ndash95 0335 ndash15158ndash95 0335 ndash15658ndash95 0334 ndash16161ndash95 0334 ndash16683ndash96 0333 ndash17190ndash96 0332 ndash17687ndash96 0330 17802ndash97 0329 17317ndash98 0325 16805ndash98 0323 16307ndash99 0321 15821ndash99 0318 15323

ndash100 0315 14825ndash101 0314 14341ndash102 0310 13860ndash102 0307 13397

ndash258 0051 ndash2277ndash253 0055 ndash3051ndash256 0053 ndash3704ndash261 0050 ndash4587ndash254 0054 ndash5116ndash249 0057 ndash5878ndash249 0057 ndash6578ndash249 0057 ndash7237ndash250 0056 ndash8012ndash251 0056 ndash8751ndash250 0056 ndash9398ndash247 0058 ndash9833ndash247 0058 ndash10393ndash247 0058 ndash11028ndash249 0057 ndash11572ndash251 0056 ndash12237ndash252 0055 ndash12838ndash252 0055 ndash13267ndash252 0055 ndash13605ndash255 0053 ndash14096ndash259 0051 ndash14732ndash265 0047 ndash15419ndash266 0047 ndash16111ndash268 0046 ndash17040ndash276 0042 ndash17467ndash279 0040 ndash17674ndash292 0035 17717ndash321 0025 17833ndash337 0021 ndash17819ndash368 0014 16610ndash460 0005 ndash16169ndash396 0010 ndash13292ndash411 0009 ndash12588ndash352 0017 ndash8210ndash312 0028 ndash8633ndash301 0031 ndash8248ndash275 0042 ndash7444ndash261 0049 ndash8347ndash259 0050 ndash8749ndash243 0061 ndash9117ndash224 0076 ndash10005ndash215 0084 ndash10622ndash204 0096 ndash10846ndash196 0105 ndash11220ndash191 0110 ndash11622ndash192 0110 ndash11975ndash187 0116 ndash12615ndash183 0121 ndash13170ndash178 0129 ndash13559ndash170 0141 ndash13973ndash165 0150 ndash14385

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

06 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 4 Sndashparameters (TA = 25 degC)1

17 dB Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash324 0024 ndash5009ndash308 0029 ndash6095ndash299 0032 ndash6935ndash289 0036 ndash7853ndash277 0041 ndash8443ndash267 0046 ndash9179ndash260 0050 ndash9845ndash253 0054 ndash10473ndash246 0059 ndash11045ndash241 0062 ndash11551ndash236 0066 ndash12030ndash231 0070 ndash12522ndash228 0072 ndash12981ndash224 0076 ndash13422ndash221 0078 ndash13817ndash219 0081 ndash14239ndash216 0084 ndash14656ndash213 0086 ndash15033ndash211 0088 ndash15447ndash210 0089 ndash15818ndash209 0090 ndash16273ndash209 0090 ndash16658ndash209 0090 ndash17028ndash208 0091 ndash17307ndash208 0091 ndash17707ndash209 0090 ndash17958ndash210 0090 17758ndash211 0088 17389ndash214 0086 17192ndash213 0086 16986ndash214 0085 16587ndash218 0082 16418ndash218 0082 16330ndash220 0079 16082ndash224 0076 16114ndash226 0074 16061ndash230 0071 15854ndash232 0069 15963ndash229 0072 15974ndash230 0071 15831ndash231 0070 15942ndash226 0074 16106ndash227 0073 15865ndash227 0073 15939ndash224 0076 15848ndash224 0076 15514ndash224 0076 15600ndash220 0079 15501ndash224 0076 15382ndash220 0079 15821ndash214 0085 15500

ndash172 0138 ndash827ndash171 0140 ndash1145ndash171 0140 ndash1405ndash170 0140 ndash1713ndash169 0142 ndash2014ndash169 0143 ndash2328ndash168 0144 ndash2612ndash167 0146 ndash2917ndash166 0147 ndash3236ndash165 0149 ndash3532ndash164 0151 ndash3859ndash163 0154 ndash4199ndash162 0156 ndash4522ndash160 0158 ndash4875ndash159 0160 ndash5241ndash158 0163 ndash5595ndash156 0166 ndash5974ndash155 0169 ndash6350ndash153 0171 ndash6747ndash152 0175 ndash7168ndash151 0177 ndash7584ndash150 0179 ndash8011ndash148 0181 ndash8455ndash147 0183 ndash8885ndash147 0185 ndash9313ndash146 0187 ndash9765ndash145 0189 ndash10208ndash144 0190 ndash10671ndash144 0192 ndash11141ndash143 0194 ndash11614ndash142 0194 ndash12095ndash142 0194 ndash12548ndash142 0195 ndash13045ndash142 0195 ndash13522ndash142 0195 ndash14025ndash142 0195 ndash14493ndash142 0195 ndash14978ndash143 0194 ndash15460ndash143 0193 ndash15930ndash144 0192 ndash16451ndash144 0191 ndash16907ndash145 0189 ndash17387ndash145 0188 ndash17860ndash146 0187 17665ndash147 0184 17140ndash148 0182 16694ndash149 0180 16207ndash149 0179 15743ndash151 0176 15275ndash152 0174 14805ndash153 0172 14297

ndash172 0138 ndash874ndash171 0140 ndash1198ndash170 0140 ndash1441ndash170 0140 ndash1749ndash169 0142 ndash2037ndash169 0143 ndash2361ndash168 0144 ndash2648ndash167 0146 ndash2950ndash166 0147 ndash3271ndash165 0149 ndash3573ndash164 0151 ndash3891ndash163 0154 ndash4218ndash161 0156 ndash4546ndash160 0158 ndash4897ndash159 0161 ndash5252ndash158 0163 ndash5613ndash156 0166 ndash5983ndash155 0169 ndash6367ndash153 0172 ndash6753ndash152 0174 ndash7169ndash150 0177 ndash7598ndash149 0179 ndash8020ndash148 0181 ndash8444ndash147 0183 ndash8874ndash147 0185 ndash9313ndash146 0187 ndash9767ndash145 0189 ndash10202ndash144 0190 ndash10676ndash143 0192 ndash11141ndash143 0193 ndash11605ndash143 0194 ndash12081ndash142 0194 ndash12548ndash142 0195 ndash13035ndash142 0195 ndash13504ndash142 0195 ndash13993ndash142 0195 ndash14464ndash142 0194 ndash14953ndash143 0194 ndash15422ndash143 0193 ndash15901ndash144 0191 ndash16402ndash144 0190 ndash16865ndash145 0189 ndash17356ndash145 0188 ndash17842ndash146 0185 17676ndash147 0184 17215ndash148 0182 16746ndash149 0179 16283ndash150 0179 15805ndash151 0176 15300ndash152 0174 14877ndash153 0172 14430

ndash261 0049 ndash2648ndash256 0052 ndash3456ndash258 0051 ndash4267ndash260 0050 ndash5192ndash253 0054 ndash5749ndash247 0058 ndash6509ndash243 0061 ndash7234ndash242 0062 ndash7931ndash241 0063 ndash8687ndash238 0064 ndash9413ndash236 0066 ndash10064ndash232 0069 ndash10482ndash230 0071 ndash11019ndash229 0072 ndash11622ndash228 0073 ndash12127ndash227 0074 ndash12742ndash226 0074 ndash13264ndash224 0076 ndash13628ndash223 0076 ndash14008ndash224 0076 ndash14418ndash224 0076 ndash14925ndash225 0075 ndash15415ndash224 0076 ndash15937ndash223 0077 ndash16555ndash224 0076 ndash16858ndash222 0077 ndash17046ndash226 0074 ndash17430ndash235 0067 ndash17442ndash235 0067 ndash17532ndash239 0064 17856ndash247 0058 17831ndash239 0064 17937ndash238 0064 17495ndash245 0060 17757ndash242 0062 ndash17849ndash246 0059 17734ndash257 0052 17918ndash252 0055 ndash17954ndash249 0057 17428ndash251 0056 17683ndash240 0063 ndash17768ndash234 0067 ndash17757ndash235 0067 ndash17366ndash231 0070 ndash17230ndash230 0071 ndash17491ndash233 0068 17985ndash229 0072 17696ndash224 0076 17505ndash220 0080 17611ndash215 0084 17706ndash208 0091 17745

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

07 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 5 Sndashparameters (TA = 25 degC)1

22 dB setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash342 0020 ndash9085ndash316 0026 ndash9443ndash299 0032 ndash9890ndash283 0038 ndash10335ndash269 0045 ndash10622ndash257 0052 ndash11032ndash246 0059 ndash11456ndash238 0064 ndash11894ndash230 0071 ndash12280ndash224 0076 ndash12633ndash217 0082 ndash12977ndash212 0087 ndash13358ndash207 0092 ndash13711ndash203 0097 ndash14034ndash199 0101 ndash14361ndash195 0106 ndash14668ndash191 0111 ndash15015ndash187 0116 ndash15326ndash184 0120 ndash15665ndash181 0124 ndash15979ndash179 0127 ndash16324ndash177 0130 ndash16653ndash175 0133 ndash16958ndash173 0136 ndash17216ndash171 0140 ndash17555ndash169 0142 ndash17831ndash167 0146 17900ndash166 0148 17556ndash165 0149 17293ndash163 0154 17022ndash161 0156 16631ndash161 0156 16375ndash159 0160 16145ndash159 0161 15796ndash159 0161 15575ndash158 0162 15285ndash158 0162 14938ndash158 0162 14703ndash156 0165 14467ndash155 0167 14131ndash156 0166 13885ndash154 0169 13695ndash154 0171 13352ndash155 0169 13057ndash154 0171 12793ndash153 0171 12385ndash154 0169 12152ndash153 0171 11860ndash155 0167 11522ndash157 0164 11456ndash155 0168 11185

ndash219 0080 ndash860ndash218 0081 ndash1211ndash218 0082 ndash1463ndash218 0082 ndash1798ndash217 0082 ndash2101ndash217 0082 ndash2421ndash217 0082 ndash2726ndash216 0084 ndash3039ndash215 0084 ndash3390ndash215 0084 ndash3691ndash214 0085 ndash4023ndash213 0086 ndash4368ndash213 0086 ndash4682ndash212 0087 ndash5056ndash211 0088 ndash5404ndash211 0088 ndash5756ndash210 0089 ndash6129ndash209 0090 ndash6493ndash208 0091 ndash6882ndash208 0091 ndash7266ndash207 0092 ndash7685ndash207 0092 ndash8099ndash207 0092 ndash8474ndash207 0092 ndash8906ndash207 0093 ndash9299ndash207 0093 ndash9716ndash206 0093 ndash10102ndash206 0093 ndash10532ndash206 0093 ndash10936ndash207 0093 ndash11398ndash207 0092 ndash11804ndash207 0092 ndash12228ndash208 0091 ndash12691ndash208 0091 ndash13111ndash209 0090 ndash13514ndash210 0090 ndash13964ndash210 0089 ndash14372ndash211 0088 ndash14816ndash212 0087 ndash15246ndash212 0087 ndash15706ndash214 0085 ndash16115ndash215 0084 ndash16543ndash216 0083 ndash16961ndash217 0082 ndash17434ndash217 0082 ndash17865ndash219 0080 17742ndash221 0078 17341ndash223 0077 16950ndash224 0076 16497ndash226 0074 16076ndash223 0076 15573

ndash219 0081 ndash905ndash218 0082 ndash1250ndash218 0082 ndash1512ndash218 0082 ndash1829ndash217 0082 ndash2141ndash217 0083 ndash2470ndash216 0083 ndash2788ndash216 0084 ndash3078ndash215 0084 ndash3426ndash215 0084 ndash3720ndash214 0085 ndash4050ndash213 0086 ndash4393ndash212 0087 ndash4719ndash212 0087 ndash5076ndash211 0088 ndash5432ndash211 0088 ndash5799ndash210 0089 ndash6135ndash209 0090 ndash6511ndash208 0091 ndash6897ndash208 0091 ndash7285ndash207 0092 ndash7697ndash207 0092 ndash8101ndash207 0092 ndash8508ndash207 0092 ndash8879ndash207 0092 ndash9303ndash207 0093 ndash9706ndash207 0092 ndash10096ndash207 0093 ndash10531ndash206 0093 ndash10959ndash207 0092 ndash11370ndash207 0092 ndash11793ndash207 0092 ndash12226ndash208 0092 ndash12657ndash208 0091 ndash13094ndash209 0090 ndash13519ndash210 0089 ndash13943ndash211 0089 ndash14373ndash212 0087 ndash14803ndash212 0087 ndash15223ndash213 0086 ndash15671ndash213 0086 ndash16057ndash215 0085 ndash16518ndash216 0083 ndash16940ndash217 0082 ndash17393ndash219 0080 ndash17810ndash220 0079 17847ndash221 0078 17379ndash222 0077 16952ndash225 0075 16550ndash225 0075 16200ndash228 0073 15661

ndash299 0032 ndash4515ndash287 0037 ndash5532ndash282 0039 ndash6651ndash275 0042 ndash7707ndash264 0048 ndash8188ndash253 0055 ndash8804ndash244 0060 ndash9456ndash238 0064 ndash10107ndash233 0068 ndash10727ndash227 0074 ndash11336ndash221 0078 ndash11864ndash216 0084 ndash12204ndash211 0088 ndash12626ndash207 0092 ndash13095ndash204 0096 ndash13522ndash200 0100 ndash13980ndash197 0103 ndash14395ndash194 0107 ndash14709ndash191 0111 ndash15053ndash189 0114 ndash15403ndash187 0117 ndash15798ndash185 0119 ndash16201ndash181 0124 ndash16607ndash178 0128 ndash17087ndash177 0131 ndash17368ndash174 0136 ndash17587ndash173 0136 ndash17960ndash175 0134 17827ndash173 0137 17591ndash172 0138 17075ndash173 0136 16825ndash168 0144 16691ndash165 0150 16232ndash167 0146 16022ndash165 0149 15908ndash165 0150 15440ndash168 0144 15083ndash166 0148 14855ndash163 0154 14380ndash164 0152 14105ndash163 0153 14109ndash162 0155 13916ndash164 0151 13662ndash165 0150 13479ndash165 0149 13057ndash164 0152 12538ndash163 0153 12227ndash162 0154 11955ndash163 0153 11791ndash165 0149 11727ndash166 0148 11614

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

08 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 6 Sndashparameters (TA = 25 degC)1

27 dB Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash297 0033 ndash5414ndash282 0039 ndash6510ndash269 0045 ndash7349ndash257 0052 ndash8080ndash245 0060 ndash8675ndash234 0068 ndash9282ndash225 0075 ndash9822ndash217 0082 ndash10335ndash209 0090 ndash10848ndash203 0096 ndash11261ndash196 0104 ndash11677ndash191 0111 ndash12101ndash186 0118 ndash12488ndash181 0125 ndash12874ndash176 0131 ndash13238ndash172 0138 ndash13593ndash167 0146 ndash13961ndash163 0153 ndash14320ndash160 0159 ndash14688ndash156 0165 ndash15033ndash153 0171 ndash15399ndash151 0176 ndash15748ndash148 0181 ndash16082ndash145 0188 ndash16397ndash142 0194 ndash16757ndash140 0200 ndash17077ndash137 0206 ndash17398ndash135 0210 ndash17756ndash134 0215 17935ndash131 0222 17601ndash129 0226 17185ndash128 0229 16893ndash126 0235 16597ndash125 0238 16230ndash124 0240 15932ndash122 0244 15623ndash122 0246 15235ndash121 0248 14938ndash119 0254 14643ndash118 0257 14275ndash117 0259 13993ndash116 0264 13710ndash115 0267 13338ndash115 0267 13008ndash114 0271 12694ndash113 0273 12273ndash113 0273 11945ndash112 0276 11626ndash113 0274 11267ndash114 0270 11068ndash112 0277 10768

ndash266 0047 ndash1026ndash266 0047 ndash1458ndash266 0047 ndash1747ndash267 0046 ndash2159ndash267 0046 ndash2512ndash268 0046 ndash2865ndash269 0045 ndash3225ndash269 0045 ndash3542ndash270 0045 ndash3891ndash271 0044 ndash4222ndash272 0044 ndash4533ndash272 0044 ndash4863ndash273 0043 ndash5198ndash273 0043 ndash5533ndash273 0043 ndash5861ndash275 0042 ndash6219ndash275 0042 ndash6501ndash276 0042 ndash6868ndash276 0042 ndash7177ndash276 0042 ndash7538ndash277 0041 ndash7866ndash278 0041 ndash8235ndash279 0040 ndash8543ndash280 0040 ndash8891ndash281 0039 ndash9210ndash281 0039 ndash9536ndash282 0039 ndash9881ndash284 0038 ndash10201ndash284 0038 ndash10600ndash285 0038 ndash10962ndash286 0037 ndash11305ndash287 0037 ndash11704ndash288 0036 ndash12046ndash289 0036 ndash12337ndash290 0036 ndash12693ndash292 0035 ndash13042ndash294 0034 ndash13467ndash296 0033 ndash13699ndash297 0033 ndash14040ndash297 0033 ndash14373ndash299 0032 ndash14771ndash300 0032 ndash15137ndash301 0031 ndash15538ndash304 0030 ndash15918ndash309 0028 ndash16311ndash311 0028 ndash16324ndash311 0028 ndash16740ndash313 0027 ndash17026ndash314 0027 ndash17212ndash313 0027 ndash17530ndash318 0026 ndash17915

ndash266 0047 ndash1081ndash266 0047 ndash1505ndash266 0047 ndash1790ndash267 0046 ndash2184ndash267 0046 ndash2545ndash268 0046 ndash2904ndash268 0046 ndash3259ndash269 0045 ndash3577ndash270 0045 ndash3944ndash271 0044 ndash4242ndash271 0044 ndash4591ndash272 0044 ndash4904ndash272 0044 ndash5234ndash273 0043 ndash5564ndash273 0043 ndash5879ndash274 0042 ndash6195ndash275 0042 ndash6538ndash276 0042 ndash6837ndash276 0042 ndash7187ndash276 0042 ndash7521ndash277 0041 ndash7891ndash278 0041 ndash8239ndash279 0040 ndash8583ndash280 0040 ndash8908ndash281 0039 ndash9204ndash282 0039 ndash9540ndash282 0039 ndash9889ndash283 0038 ndash10245ndash284 0038 ndash10613ndash285 0038 ndash10891ndash285 0037 ndash11314ndash288 0036 ndash11673ndash288 0036 ndash11986ndash289 0036 ndash12288ndash291 0035 ndash12724ndash294 0034 ndash13048ndash293 0034 ndash13411ndash296 0033 ndash13704ndash297 0033 ndash14066ndash299 0032 ndash14344ndash300 0032 ndash14756ndash301 0031 ndash15105ndash302 0031 ndash15532ndash305 0030 ndash15850ndash308 0029 ndash16247ndash310 0028 ndash16298ndash312 0027 ndash16744ndash314 0027 ndash16927ndash316 0026 ndash17277ndash315 0026 ndash17471ndash316 0026 17962

ndash284 0038 ndash4502ndash272 0044 ndash5534ndash264 0048 ndash6494ndash255 0053 ndash7376ndash245 0060 ndash7961ndash234 0067 ndash8647ndash226 0074 ndash9285ndash219 0080 ndash9879ndash212 0087 ndash10413ndash206 0094 ndash10943ndash200 0100 ndash11452ndash194 0107 ndash11830ndash189 0114 ndash12259ndash184 0120 ndash12693ndash180 0126 ndash13085ndash175 0133 ndash13511ndash171 0139 ndash13903ndash167 0146 ndash14260ndash164 0152 ndash14610ndash161 0157 ndash14965ndash157 0163 ndash15354ndash155 0168 ndash15752ndash151 0176 ndash16162ndash148 0183 ndash16621ndash145 0188 ndash16935ndash142 0196 ndash17193ndash140 0200 ndash17566ndash140 0200 ndash17831ndash137 0206 17889ndash135 0210 17414ndash135 0211 17103ndash131 0222 16864ndash127 0230 16412ndash128 0230 16135ndash125 0236 15931ndash124 0240 15476ndash125 0236 15089ndash123 0242 14807ndash121 0250 14338ndash121 0250 14017ndash119 0253 13870ndash118 0258 13576ndash119 0255 13262ndash119 0254 12984ndash118 0258 12560ndash117 0261 12101ndash115 0265 11755ndash115 0267 11468ndash115 0268 11178ndash115 0265 10939ndash115 0265 10735

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

09 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 7 Sndashparameters (TA = 25 degC)1

Maximum Attenuation Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash355 0017 ndash4503ndash337 0021 ndash5340ndash324 0024 ndash6024ndash308 0029 ndash6634ndash293 0034 ndash7212ndash281 0039 ndash7806ndash270 0045 ndash8360ndash260 0050 ndash8899ndash252 0055 ndash9388ndash245 0060 ndash9783ndash237 0065 ndash10206ndash230 0070 ndash10626ndash224 0076 ndash10981ndash218 0081 ndash11365ndash213 0086 ndash11701ndash207 0092 ndash12051ndash202 0098 ndash12414ndash197 0103 ndash12767ndash193 0109 ndash13134ndash189 0114 ndash13448ndash185 0119 ndash13803ndash182 0123 ndash14137ndash179 0128 ndash14454ndash174 0135 ndash14755ndash171 0140 ndash15101ndash167 0146 ndash15396ndash164 0152 ndash15702ndash161 0156 ndash16051ndash158 0161 ndash16333ndash155 0169 ndash16678ndash152 0173 ndash17090ndash150 0178 ndash17364ndash147 0184 ndash17680ndash145 0189 17954ndash143 0192 17703ndash141 0198 17399ndash139 0201 17013ndash138 0205 16730ndash134 0213 16418ndash132 0218 16036ndash131 0222 15766ndash128 0229 15470ndash126 0235 15086ndash125 0238 14774ndash123 0243 14423ndash121 0248 14001ndash120 0250 13700ndash118 0256 13344ndash118 0258 12988ndash118 0258 12834ndash114 0269 12433

ndash342 0019 ndash2062ndash344 0019 ndash2784ndash349 0018 ndash3295ndash354 0017 ndash3949ndash358 0016 ndash4389ndash364 0015 ndash4972ndash369 0014 ndash5372ndash375 0013 ndash5649ndash381 0012 ndash6032ndash387 0012 ndash6308ndash394 0011 ndash6517ndash398 0010 ndash6723ndash404 0010 ndash6929ndash408 0009 ndash7122ndash413 0009 ndash7053ndash416 0008 ndash7391ndash422 0008 ndash7429ndash424 0008 ndash7430ndash426 0007 ndash7464ndash431 0007 ndash7858ndash433 0007 ndash8026ndash440 0006 ndash8042ndash440 0006 ndash8294ndash446 0006 ndash8073ndash450 0006 ndash8204ndash452 0006 ndash8597ndash454 0005 ndash8618ndash455 0005 ndash8622ndash462 0005 ndash8648ndash460 0005 ndash9200ndash466 0005 ndash8668ndash471 0004 ndash8787ndash475 0004 ndash9048ndash480 0004 ndash9190ndash484 0004 ndash9449ndash491 0004 ndash9074ndash502 0003 ndash9243ndash508 0003 ndash9049ndash508 0003 ndash9439ndash508 0003 ndash7660ndash502 0003 ndash8467ndash517 0003 ndash8837ndash511 0003 ndash7462ndash520 0002 ndash8205ndash554 0002 ndash5919ndash528 0002 ndash4646ndash532 0002 ndash4125ndash505 0003 ndash4224ndash471 0004 ndash4615ndash471 0004 ndash4661ndash454 0005 ndash5316

ndash342 0019 ndash2126ndash344 0019 ndash2825ndash348 0018 ndash3274ndash353 0017 ndash3939ndash358 0016 ndash4408ndash364 0015 ndash4921ndash369 0014 ndash5333ndash376 0013 ndash5674ndash382 0012 ndash6052ndash387 0012 ndash6316ndash393 0011 ndash6601ndash397 0010 ndash6740ndash403 0010 ndash6899ndash409 0009 ndash7216ndash413 0009 ndash7316ndash419 0008 ndash7426ndash423 0008 ndash7361ndash426 0007 ndash7689ndash429 0007 ndash7492ndash430 0007 ndash7912ndash433 0007 ndash8003ndash440 0006 ndash7983ndash444 0006 ndash8330ndash449 0006 ndash8030ndash450 0006 ndash8157ndash457 0005 ndash8393ndash455 0005 ndash8365ndash457 0005 ndash8914ndash457 0005 ndash8609ndash464 0005 ndash8668ndash466 0005 ndash9157ndash473 0004 ndash8978ndash480 0004 ndash9521ndash477 0004 ndash9141ndash480 0004 ndash9412ndash491 0004 ndash9313ndash494 0003 ndash9281ndash505 0003 ndash8723ndash496 0003 ndash9659ndash520 0002 ndash8819ndash508 0003 ndash8023ndash502 0003 ndash8600ndash524 0002 ndash9170ndash528 0002 ndash8103ndash554 0002 ndash6095ndash514 0003 ndash5216ndash491 0004 ndash5431ndash482 0004 ndash5162ndash475 0004 ndash3932ndash464 0005 ndash6722ndash466 0005 ndash6333

ndash345 0019 ndash4099ndash330 0022 ndash4785ndash320 0025 ndash5530ndash307 0029 ndash6265ndash294 0034 ndash6757ndash282 0039 ndash7480ndash272 0044 ndash8099ndash264 0048 ndash8667ndash256 0053 ndash9173ndash247 0058 ndash9712ndash240 0063 ndash10218ndash233 0068 ndash10574ndash227 0073 ndash10959ndash221 0078 ndash11378ndash216 0083 ndash11753ndash210 0089 ndash12152ndash205 0094 ndash12533ndash201 0099 ndash12870ndash196 0105 ndash13199ndash192 0110 ndash13513ndash188 0115 ndash13874ndash184 0120 ndash14254ndash179 0127 ndash14671ndash175 0133 ndash15172ndash172 0138 ndash15475ndash167 0146 ndash15722ndash165 0150 ndash16069ndash164 0152 ndash16256ndash160 0159 ndash16520ndash158 0163 ndash17012ndash157 0165 ndash17267ndash150 0178 ndash17538ndash146 0186 17992ndash145 0188 17766ndash141 0196 17561ndash140 0200 17091ndash141 0198 16758ndash137 0206 16458ndash134 0214 15959ndash132 0218 15661ndash129 0226 15512ndash126 0233 15224ndash126 0234 14917ndash125 0236 14652ndash123 0242 14237ndash122 0246 13736ndash120 0253 13376ndash117 0260 13040ndash116 0263 12767ndash115 0265 12532ndash114 0269 12297

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

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010 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

04 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 2 Sndashparameters (TA = 25 degC)1

7 dB Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash317 0026 ndash13348ndash294 0034 ndash12460ndash280 0040 ndash12677ndash265 0047 ndash13328ndash253 0054 ndash13240ndash240 0063 ndash13646ndash233 0068 ndash14266ndash226 0074 ndash14550ndash218 0081 ndash15109ndash214 0085 ndash15551ndash210 0090 ndash15952ndash205 0094 ndash16429ndash203 0097 ndash16887ndash199 0101 ndash17367ndash197 0104 ndash17788ndash195 0106 17751ndash193 0108 17302ndash191 0111 16914ndash189 0114 16439ndash188 0115 15909ndash187 0116 15320ndash187 0116 14752ndash187 0116 14206ndash188 0115 13675ndash188 0115 13029ndash191 0111 12435ndash194 0108 11825ndash195 0105 11093ndash200 0100 10355ndash203 0096 9782ndash205 0095 9004ndash210 0089 8114ndash215 0084 7380ndash219 0080 6347ndash226 0074 5121ndash234 0068 4008ndash235 0067 2690ndash238 0064 1223ndash244 0060 ndash021ndash243 0061 ndash1313ndash237 0065 ndash2911ndash235 0067 ndash4590ndash231 0070 ndash5805ndash222 0078 ndash6950ndash218 0081 ndash8143ndash214 0085 ndash8879ndash205 0094 ndash9789ndash200 0100 ndash10742ndash193 0108 ndash11304ndash183 0122 ndash12078ndash179 0127 ndash13062

ndash70 0445 ndash1245ndash70 0448 ndash1694ndash70 0446 ndash2085ndash71 0440 ndash2492ndash71 0444 ndash2913ndash71 0444 ndash3345ndash71 0442 ndash3733ndash71 0443 ndash4138ndash71 0440 ndash4542ndash71 0440 ndash4926ndash71 0440 ndash5322ndash71 0442 ndash5730ndash71 0443 ndash6119ndash71 0443 ndash6526ndash71 0443 ndash6932ndash71 0444 ndash7316ndash70 0445 ndash7719ndash70 0448 ndash8135ndash69 0452 ndash8558ndash69 0453 ndash8987ndash69 0454 ndash9405ndash68 0455 ndash9829ndash68 0457 ndash10252ndash68 0459 ndash10682ndash67 0461 ndash11104ndash67 0464 ndash11538ndash66 0466 ndash11970ndash66 0469 ndash12419ndash65 0472 ndash12874ndash65 0474 ndash13333ndash64 0477 ndash13801ndash64 0480 ndash14268ndash63 0482 ndash14751ndash63 0484 ndash15227ndash63 0485 ndash15727ndash63 0485 ndash16214ndash63 0486 ndash16711ndash63 0485 ndash17215ndash63 0485 ndash17714ndash63 0484 17771ndash63 0483 17249ndash64 0481 16749ndash64 0478 16250ndash65 0475 15738ndash65 0472 15244ndash66 0468 14742ndash67 0464 14238ndash67 0460 13744ndash68 0456 13231ndash69 0451 12752ndash70 0448 12242

ndash71 0442 ndash1287ndash70 0446 ndash1733ndash70 0445 ndash2119ndash71 0441 ndash2527ndash70 0444 ndash2947ndash71 0443 ndash3371ndash71 0440 ndash3760ndash71 0441 ndash4166ndash71 0439 ndash4571ndash71 0440 ndash4951ndash71 0440 ndash5350ndash71 0441 ndash5752ndash71 0442 ndash6136ndash71 0442 ndash6543ndash71 0443 ndash6951ndash71 0444 ndash7335ndash70 0445 ndash7730ndash70 0448 ndash8147ndash69 0451 ndash8568ndash69 0452 ndash8996ndash69 0453 ndash9413ndash68 0455 ndash9838ndash68 0456 ndash10259ndash68 0458 ndash10681ndash67 0460 ndash11107ndash67 0462 ndash11530ndash66 0465 ndash11965ndash66 0468 ndash12413ndash65 0472 ndash12867ndash65 0474 ndash13322ndash64 0476 ndash13788ndash64 0478 ndash14256ndash64 0481 ndash14735ndash63 0483 ndash15217ndash63 0484 ndash15705ndash63 0485 ndash16192ndash63 0485 ndash16687ndash63 0485 ndash17181ndash63 0484 ndash17693ndash63 0483 17804ndash63 0481 17298ndash64 0479 16795ndash64 0477 16290ndash65 0473 15777ndash66 0470 15284ndash66 0467 14786ndash67 0463 14282ndash68 0459 13784ndash68 0455 13285ndash69 0451 12793ndash70 0447 12325

ndash342 0020 ndash6283ndash312 0027 ndash7054ndash309 0028 ndash8354ndash304 0030 ndash10295ndash289 0036 ndash10202ndash275 0042 ndash10892ndash270 0045 ndash11720ndash263 0048 ndash12445ndash258 0051 ndash13332ndash253 0054 ndash13991ndash249 0057 ndash14593ndash245 0059 ndash14984ndash243 0061 ndash15513ndash241 0063 ndash16185ndash238 0064 ndash16787ndash237 0065 ndash17383ndash236 0066 17978ndash235 0067 17592ndash234 0067 17185ndash234 0068 16531ndash234 0067 15756ndash234 0067 14938ndash233 0068 14329ndash230 0071 13607ndash233 0068 12908ndash236 0066 12416ndash238 0064 11491ndash248 0058 10214ndash255 0053 9319ndash251 0056 8173ndash255 0053 6645ndash267 0046 6041ndash266 0047 5129ndash266 0047 2919ndash272 0044 998ndash263 0048 034ndash244 0060 ndash1448ndash242 0061 ndash2773ndash241 0063 ndash3542ndash230 0071 ndash4675ndash219 0080 ndash6294ndash212 0087 ndash7373ndash200 0100 ndash8117ndash190 0112 ndash8897ndash186 0117 ndash9478ndash184 0121 ndash9991ndash181 0124 ndash10723ndash177 0131 ndash11495ndash170 0141 ndash12142ndash162 0154 ndash12640ndash158 0162 ndash13360

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

05 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 3 Sndashparameters (TA = 25 degC)1

12 dB Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash336 0021 ndash5393ndash316 0026 ndash6499ndash308 0029 ndash7288ndash298 0032 ndash8392ndash285 0038 ndash8943ndash275 0042 ndash9744ndash269 0045 ndash10504ndash262 0049 ndash11106ndash255 0053 ndash11816ndash252 0055 ndash12323ndash247 0058 ndash12832ndash243 0061 ndash13395ndash241 0063 ndash13886ndash237 0065 ndash14400ndash235 0067 ndash14878ndash233 0068 ndash15311ndash231 0070 ndash15811ndash229 0071 ndash16219ndash227 0073 ndash16722ndash227 0073 ndash17208ndash227 0073 ndash17823ndash229 0072 17638ndash230 0070 17100ndash232 0069 16658ndash234 0068 16064ndash239 0064 15579ndash244 0060 15123ndash250 0056 14429ndash261 0050 13876ndash267 0046 13521ndash274 0043 12661ndash290 0036 11983ndash306 0030 11713ndash327 0023 10740ndash376 0013 9367ndash449 0006 7404ndash439 0006 ndash1507ndash372 0014 ndash6095ndash342 0020 ndash8146ndash317 0026 ndash8861ndash288 0036 ndash9293ndash268 0046 ndash10307ndash257 0052 ndash10868ndash244 0060 ndash11293ndash234 0068 ndash11981ndash229 0071 ndash12347ndash219 0080 ndash12714ndash213 0086 ndash13352ndash206 0093 ndash13620ndash195 0106 ndash13982ndash190 0112 ndash14780

ndash121 0249 ndash1007ndash120 0251 ndash1380ndash120 0251 ndash1691ndash120 0250 ndash2039ndash119 0253 ndash2384ndash119 0254 ndash2743ndash119 0254 ndash3068ndash118 0256 ndash3409ndash118 0257 ndash3764ndash118 0258 ndash4089ndash117 0261 ndash4431ndash116 0264 ndash4788ndash115 0266 ndash5132ndash114 0268 ndash5497ndash113 0272 ndash5872ndash112 0274 ndash6234ndash111 0278 ndash6609ndash110 0282 ndash6991ndash109 0286 ndash7389ndash107 0290 ndash7807ndash107 0293 ndash8220ndash105 0297 ndash8640ndash104 0300 ndash9068ndash103 0304 ndash9496ndash103 0307 ndash9931ndash102 0310 ndash10366ndash100 0315 ndash10810ndash99 0318 ndash11271ndash98 0322 ndash11743ndash98 0324 ndash12212ndash97 0327 ndash12703ndash96 0330 ndash13182ndash96 0332 ndash13682ndash95 0333 ndash14168ndash95 0334 ndash14684ndash95 0334 ndash15184ndash95 0336 ndash15687ndash95 0335 ndash16191ndash95 0334 ndash16706ndash95 0334 ndash17215ndash96 0332 ndash17723ndash96 0330 17777ndash97 0328 17266ndash97 0326 16759ndash98 0324 16256ndash99 0321 15782ndash99 0319 15293ndash100 0316 14787ndash101 0313 14314ndash102 0310 13803ndash103 0306 13300

ndash121 0249 ndash1051ndash120 0251 ndash1424ndash120 0251 ndash1725ndash120 0250 ndash2071ndash119 0253 ndash2414ndash119 0253 ndash2776ndash119 0254 ndash3102ndash119 0256 ndash3439ndash118 0256 ndash3789ndash118 0258 ndash4114ndash117 0261 ndash4459ndash116 0263 ndash4816ndash115 0266 ndash5154ndash114 0268 ndash5521ndash113 0272 ndash5892ndash112 0275 ndash6250ndash111 0278 ndash6620ndash110 0282 ndash7009ndash109 0286 ndash7404ndash107 0290 ndash7821ndash107 0293 ndash8228ndash105 0297 ndash8649ndash104 0300 ndash9071ndash103 0304 ndash9499ndash103 0307 ndash9930ndash102 0310 ndash10364ndash101 0314 ndash10810ndash100 0318 ndash11272ndash99 0322 ndash11738ndash98 0324 ndash12208ndash97 0327 ndash12687ndash96 0329 ndash13177ndash96 0331 ndash13672ndash96 0333 ndash14163ndash95 0334 ndash14666ndash95 0335 ndash15158ndash95 0335 ndash15658ndash95 0334 ndash16161ndash95 0334 ndash16683ndash96 0333 ndash17190ndash96 0332 ndash17687ndash96 0330 17802ndash97 0329 17317ndash98 0325 16805ndash98 0323 16307ndash99 0321 15821ndash99 0318 15323

ndash100 0315 14825ndash101 0314 14341ndash102 0310 13860ndash102 0307 13397

ndash258 0051 ndash2277ndash253 0055 ndash3051ndash256 0053 ndash3704ndash261 0050 ndash4587ndash254 0054 ndash5116ndash249 0057 ndash5878ndash249 0057 ndash6578ndash249 0057 ndash7237ndash250 0056 ndash8012ndash251 0056 ndash8751ndash250 0056 ndash9398ndash247 0058 ndash9833ndash247 0058 ndash10393ndash247 0058 ndash11028ndash249 0057 ndash11572ndash251 0056 ndash12237ndash252 0055 ndash12838ndash252 0055 ndash13267ndash252 0055 ndash13605ndash255 0053 ndash14096ndash259 0051 ndash14732ndash265 0047 ndash15419ndash266 0047 ndash16111ndash268 0046 ndash17040ndash276 0042 ndash17467ndash279 0040 ndash17674ndash292 0035 17717ndash321 0025 17833ndash337 0021 ndash17819ndash368 0014 16610ndash460 0005 ndash16169ndash396 0010 ndash13292ndash411 0009 ndash12588ndash352 0017 ndash8210ndash312 0028 ndash8633ndash301 0031 ndash8248ndash275 0042 ndash7444ndash261 0049 ndash8347ndash259 0050 ndash8749ndash243 0061 ndash9117ndash224 0076 ndash10005ndash215 0084 ndash10622ndash204 0096 ndash10846ndash196 0105 ndash11220ndash191 0110 ndash11622ndash192 0110 ndash11975ndash187 0116 ndash12615ndash183 0121 ndash13170ndash178 0129 ndash13559ndash170 0141 ndash13973ndash165 0150 ndash14385

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

06 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 4 Sndashparameters (TA = 25 degC)1

17 dB Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash324 0024 ndash5009ndash308 0029 ndash6095ndash299 0032 ndash6935ndash289 0036 ndash7853ndash277 0041 ndash8443ndash267 0046 ndash9179ndash260 0050 ndash9845ndash253 0054 ndash10473ndash246 0059 ndash11045ndash241 0062 ndash11551ndash236 0066 ndash12030ndash231 0070 ndash12522ndash228 0072 ndash12981ndash224 0076 ndash13422ndash221 0078 ndash13817ndash219 0081 ndash14239ndash216 0084 ndash14656ndash213 0086 ndash15033ndash211 0088 ndash15447ndash210 0089 ndash15818ndash209 0090 ndash16273ndash209 0090 ndash16658ndash209 0090 ndash17028ndash208 0091 ndash17307ndash208 0091 ndash17707ndash209 0090 ndash17958ndash210 0090 17758ndash211 0088 17389ndash214 0086 17192ndash213 0086 16986ndash214 0085 16587ndash218 0082 16418ndash218 0082 16330ndash220 0079 16082ndash224 0076 16114ndash226 0074 16061ndash230 0071 15854ndash232 0069 15963ndash229 0072 15974ndash230 0071 15831ndash231 0070 15942ndash226 0074 16106ndash227 0073 15865ndash227 0073 15939ndash224 0076 15848ndash224 0076 15514ndash224 0076 15600ndash220 0079 15501ndash224 0076 15382ndash220 0079 15821ndash214 0085 15500

ndash172 0138 ndash827ndash171 0140 ndash1145ndash171 0140 ndash1405ndash170 0140 ndash1713ndash169 0142 ndash2014ndash169 0143 ndash2328ndash168 0144 ndash2612ndash167 0146 ndash2917ndash166 0147 ndash3236ndash165 0149 ndash3532ndash164 0151 ndash3859ndash163 0154 ndash4199ndash162 0156 ndash4522ndash160 0158 ndash4875ndash159 0160 ndash5241ndash158 0163 ndash5595ndash156 0166 ndash5974ndash155 0169 ndash6350ndash153 0171 ndash6747ndash152 0175 ndash7168ndash151 0177 ndash7584ndash150 0179 ndash8011ndash148 0181 ndash8455ndash147 0183 ndash8885ndash147 0185 ndash9313ndash146 0187 ndash9765ndash145 0189 ndash10208ndash144 0190 ndash10671ndash144 0192 ndash11141ndash143 0194 ndash11614ndash142 0194 ndash12095ndash142 0194 ndash12548ndash142 0195 ndash13045ndash142 0195 ndash13522ndash142 0195 ndash14025ndash142 0195 ndash14493ndash142 0195 ndash14978ndash143 0194 ndash15460ndash143 0193 ndash15930ndash144 0192 ndash16451ndash144 0191 ndash16907ndash145 0189 ndash17387ndash145 0188 ndash17860ndash146 0187 17665ndash147 0184 17140ndash148 0182 16694ndash149 0180 16207ndash149 0179 15743ndash151 0176 15275ndash152 0174 14805ndash153 0172 14297

ndash172 0138 ndash874ndash171 0140 ndash1198ndash170 0140 ndash1441ndash170 0140 ndash1749ndash169 0142 ndash2037ndash169 0143 ndash2361ndash168 0144 ndash2648ndash167 0146 ndash2950ndash166 0147 ndash3271ndash165 0149 ndash3573ndash164 0151 ndash3891ndash163 0154 ndash4218ndash161 0156 ndash4546ndash160 0158 ndash4897ndash159 0161 ndash5252ndash158 0163 ndash5613ndash156 0166 ndash5983ndash155 0169 ndash6367ndash153 0172 ndash6753ndash152 0174 ndash7169ndash150 0177 ndash7598ndash149 0179 ndash8020ndash148 0181 ndash8444ndash147 0183 ndash8874ndash147 0185 ndash9313ndash146 0187 ndash9767ndash145 0189 ndash10202ndash144 0190 ndash10676ndash143 0192 ndash11141ndash143 0193 ndash11605ndash143 0194 ndash12081ndash142 0194 ndash12548ndash142 0195 ndash13035ndash142 0195 ndash13504ndash142 0195 ndash13993ndash142 0195 ndash14464ndash142 0194 ndash14953ndash143 0194 ndash15422ndash143 0193 ndash15901ndash144 0191 ndash16402ndash144 0190 ndash16865ndash145 0189 ndash17356ndash145 0188 ndash17842ndash146 0185 17676ndash147 0184 17215ndash148 0182 16746ndash149 0179 16283ndash150 0179 15805ndash151 0176 15300ndash152 0174 14877ndash153 0172 14430

ndash261 0049 ndash2648ndash256 0052 ndash3456ndash258 0051 ndash4267ndash260 0050 ndash5192ndash253 0054 ndash5749ndash247 0058 ndash6509ndash243 0061 ndash7234ndash242 0062 ndash7931ndash241 0063 ndash8687ndash238 0064 ndash9413ndash236 0066 ndash10064ndash232 0069 ndash10482ndash230 0071 ndash11019ndash229 0072 ndash11622ndash228 0073 ndash12127ndash227 0074 ndash12742ndash226 0074 ndash13264ndash224 0076 ndash13628ndash223 0076 ndash14008ndash224 0076 ndash14418ndash224 0076 ndash14925ndash225 0075 ndash15415ndash224 0076 ndash15937ndash223 0077 ndash16555ndash224 0076 ndash16858ndash222 0077 ndash17046ndash226 0074 ndash17430ndash235 0067 ndash17442ndash235 0067 ndash17532ndash239 0064 17856ndash247 0058 17831ndash239 0064 17937ndash238 0064 17495ndash245 0060 17757ndash242 0062 ndash17849ndash246 0059 17734ndash257 0052 17918ndash252 0055 ndash17954ndash249 0057 17428ndash251 0056 17683ndash240 0063 ndash17768ndash234 0067 ndash17757ndash235 0067 ndash17366ndash231 0070 ndash17230ndash230 0071 ndash17491ndash233 0068 17985ndash229 0072 17696ndash224 0076 17505ndash220 0080 17611ndash215 0084 17706ndash208 0091 17745

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

07 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 5 Sndashparameters (TA = 25 degC)1

22 dB setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash342 0020 ndash9085ndash316 0026 ndash9443ndash299 0032 ndash9890ndash283 0038 ndash10335ndash269 0045 ndash10622ndash257 0052 ndash11032ndash246 0059 ndash11456ndash238 0064 ndash11894ndash230 0071 ndash12280ndash224 0076 ndash12633ndash217 0082 ndash12977ndash212 0087 ndash13358ndash207 0092 ndash13711ndash203 0097 ndash14034ndash199 0101 ndash14361ndash195 0106 ndash14668ndash191 0111 ndash15015ndash187 0116 ndash15326ndash184 0120 ndash15665ndash181 0124 ndash15979ndash179 0127 ndash16324ndash177 0130 ndash16653ndash175 0133 ndash16958ndash173 0136 ndash17216ndash171 0140 ndash17555ndash169 0142 ndash17831ndash167 0146 17900ndash166 0148 17556ndash165 0149 17293ndash163 0154 17022ndash161 0156 16631ndash161 0156 16375ndash159 0160 16145ndash159 0161 15796ndash159 0161 15575ndash158 0162 15285ndash158 0162 14938ndash158 0162 14703ndash156 0165 14467ndash155 0167 14131ndash156 0166 13885ndash154 0169 13695ndash154 0171 13352ndash155 0169 13057ndash154 0171 12793ndash153 0171 12385ndash154 0169 12152ndash153 0171 11860ndash155 0167 11522ndash157 0164 11456ndash155 0168 11185

ndash219 0080 ndash860ndash218 0081 ndash1211ndash218 0082 ndash1463ndash218 0082 ndash1798ndash217 0082 ndash2101ndash217 0082 ndash2421ndash217 0082 ndash2726ndash216 0084 ndash3039ndash215 0084 ndash3390ndash215 0084 ndash3691ndash214 0085 ndash4023ndash213 0086 ndash4368ndash213 0086 ndash4682ndash212 0087 ndash5056ndash211 0088 ndash5404ndash211 0088 ndash5756ndash210 0089 ndash6129ndash209 0090 ndash6493ndash208 0091 ndash6882ndash208 0091 ndash7266ndash207 0092 ndash7685ndash207 0092 ndash8099ndash207 0092 ndash8474ndash207 0092 ndash8906ndash207 0093 ndash9299ndash207 0093 ndash9716ndash206 0093 ndash10102ndash206 0093 ndash10532ndash206 0093 ndash10936ndash207 0093 ndash11398ndash207 0092 ndash11804ndash207 0092 ndash12228ndash208 0091 ndash12691ndash208 0091 ndash13111ndash209 0090 ndash13514ndash210 0090 ndash13964ndash210 0089 ndash14372ndash211 0088 ndash14816ndash212 0087 ndash15246ndash212 0087 ndash15706ndash214 0085 ndash16115ndash215 0084 ndash16543ndash216 0083 ndash16961ndash217 0082 ndash17434ndash217 0082 ndash17865ndash219 0080 17742ndash221 0078 17341ndash223 0077 16950ndash224 0076 16497ndash226 0074 16076ndash223 0076 15573

ndash219 0081 ndash905ndash218 0082 ndash1250ndash218 0082 ndash1512ndash218 0082 ndash1829ndash217 0082 ndash2141ndash217 0083 ndash2470ndash216 0083 ndash2788ndash216 0084 ndash3078ndash215 0084 ndash3426ndash215 0084 ndash3720ndash214 0085 ndash4050ndash213 0086 ndash4393ndash212 0087 ndash4719ndash212 0087 ndash5076ndash211 0088 ndash5432ndash211 0088 ndash5799ndash210 0089 ndash6135ndash209 0090 ndash6511ndash208 0091 ndash6897ndash208 0091 ndash7285ndash207 0092 ndash7697ndash207 0092 ndash8101ndash207 0092 ndash8508ndash207 0092 ndash8879ndash207 0092 ndash9303ndash207 0093 ndash9706ndash207 0092 ndash10096ndash207 0093 ndash10531ndash206 0093 ndash10959ndash207 0092 ndash11370ndash207 0092 ndash11793ndash207 0092 ndash12226ndash208 0092 ndash12657ndash208 0091 ndash13094ndash209 0090 ndash13519ndash210 0089 ndash13943ndash211 0089 ndash14373ndash212 0087 ndash14803ndash212 0087 ndash15223ndash213 0086 ndash15671ndash213 0086 ndash16057ndash215 0085 ndash16518ndash216 0083 ndash16940ndash217 0082 ndash17393ndash219 0080 ndash17810ndash220 0079 17847ndash221 0078 17379ndash222 0077 16952ndash225 0075 16550ndash225 0075 16200ndash228 0073 15661

ndash299 0032 ndash4515ndash287 0037 ndash5532ndash282 0039 ndash6651ndash275 0042 ndash7707ndash264 0048 ndash8188ndash253 0055 ndash8804ndash244 0060 ndash9456ndash238 0064 ndash10107ndash233 0068 ndash10727ndash227 0074 ndash11336ndash221 0078 ndash11864ndash216 0084 ndash12204ndash211 0088 ndash12626ndash207 0092 ndash13095ndash204 0096 ndash13522ndash200 0100 ndash13980ndash197 0103 ndash14395ndash194 0107 ndash14709ndash191 0111 ndash15053ndash189 0114 ndash15403ndash187 0117 ndash15798ndash185 0119 ndash16201ndash181 0124 ndash16607ndash178 0128 ndash17087ndash177 0131 ndash17368ndash174 0136 ndash17587ndash173 0136 ndash17960ndash175 0134 17827ndash173 0137 17591ndash172 0138 17075ndash173 0136 16825ndash168 0144 16691ndash165 0150 16232ndash167 0146 16022ndash165 0149 15908ndash165 0150 15440ndash168 0144 15083ndash166 0148 14855ndash163 0154 14380ndash164 0152 14105ndash163 0153 14109ndash162 0155 13916ndash164 0151 13662ndash165 0150 13479ndash165 0149 13057ndash164 0152 12538ndash163 0153 12227ndash162 0154 11955ndash163 0153 11791ndash165 0149 11727ndash166 0148 11614

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

08 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 6 Sndashparameters (TA = 25 degC)1

27 dB Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash297 0033 ndash5414ndash282 0039 ndash6510ndash269 0045 ndash7349ndash257 0052 ndash8080ndash245 0060 ndash8675ndash234 0068 ndash9282ndash225 0075 ndash9822ndash217 0082 ndash10335ndash209 0090 ndash10848ndash203 0096 ndash11261ndash196 0104 ndash11677ndash191 0111 ndash12101ndash186 0118 ndash12488ndash181 0125 ndash12874ndash176 0131 ndash13238ndash172 0138 ndash13593ndash167 0146 ndash13961ndash163 0153 ndash14320ndash160 0159 ndash14688ndash156 0165 ndash15033ndash153 0171 ndash15399ndash151 0176 ndash15748ndash148 0181 ndash16082ndash145 0188 ndash16397ndash142 0194 ndash16757ndash140 0200 ndash17077ndash137 0206 ndash17398ndash135 0210 ndash17756ndash134 0215 17935ndash131 0222 17601ndash129 0226 17185ndash128 0229 16893ndash126 0235 16597ndash125 0238 16230ndash124 0240 15932ndash122 0244 15623ndash122 0246 15235ndash121 0248 14938ndash119 0254 14643ndash118 0257 14275ndash117 0259 13993ndash116 0264 13710ndash115 0267 13338ndash115 0267 13008ndash114 0271 12694ndash113 0273 12273ndash113 0273 11945ndash112 0276 11626ndash113 0274 11267ndash114 0270 11068ndash112 0277 10768

ndash266 0047 ndash1026ndash266 0047 ndash1458ndash266 0047 ndash1747ndash267 0046 ndash2159ndash267 0046 ndash2512ndash268 0046 ndash2865ndash269 0045 ndash3225ndash269 0045 ndash3542ndash270 0045 ndash3891ndash271 0044 ndash4222ndash272 0044 ndash4533ndash272 0044 ndash4863ndash273 0043 ndash5198ndash273 0043 ndash5533ndash273 0043 ndash5861ndash275 0042 ndash6219ndash275 0042 ndash6501ndash276 0042 ndash6868ndash276 0042 ndash7177ndash276 0042 ndash7538ndash277 0041 ndash7866ndash278 0041 ndash8235ndash279 0040 ndash8543ndash280 0040 ndash8891ndash281 0039 ndash9210ndash281 0039 ndash9536ndash282 0039 ndash9881ndash284 0038 ndash10201ndash284 0038 ndash10600ndash285 0038 ndash10962ndash286 0037 ndash11305ndash287 0037 ndash11704ndash288 0036 ndash12046ndash289 0036 ndash12337ndash290 0036 ndash12693ndash292 0035 ndash13042ndash294 0034 ndash13467ndash296 0033 ndash13699ndash297 0033 ndash14040ndash297 0033 ndash14373ndash299 0032 ndash14771ndash300 0032 ndash15137ndash301 0031 ndash15538ndash304 0030 ndash15918ndash309 0028 ndash16311ndash311 0028 ndash16324ndash311 0028 ndash16740ndash313 0027 ndash17026ndash314 0027 ndash17212ndash313 0027 ndash17530ndash318 0026 ndash17915

ndash266 0047 ndash1081ndash266 0047 ndash1505ndash266 0047 ndash1790ndash267 0046 ndash2184ndash267 0046 ndash2545ndash268 0046 ndash2904ndash268 0046 ndash3259ndash269 0045 ndash3577ndash270 0045 ndash3944ndash271 0044 ndash4242ndash271 0044 ndash4591ndash272 0044 ndash4904ndash272 0044 ndash5234ndash273 0043 ndash5564ndash273 0043 ndash5879ndash274 0042 ndash6195ndash275 0042 ndash6538ndash276 0042 ndash6837ndash276 0042 ndash7187ndash276 0042 ndash7521ndash277 0041 ndash7891ndash278 0041 ndash8239ndash279 0040 ndash8583ndash280 0040 ndash8908ndash281 0039 ndash9204ndash282 0039 ndash9540ndash282 0039 ndash9889ndash283 0038 ndash10245ndash284 0038 ndash10613ndash285 0038 ndash10891ndash285 0037 ndash11314ndash288 0036 ndash11673ndash288 0036 ndash11986ndash289 0036 ndash12288ndash291 0035 ndash12724ndash294 0034 ndash13048ndash293 0034 ndash13411ndash296 0033 ndash13704ndash297 0033 ndash14066ndash299 0032 ndash14344ndash300 0032 ndash14756ndash301 0031 ndash15105ndash302 0031 ndash15532ndash305 0030 ndash15850ndash308 0029 ndash16247ndash310 0028 ndash16298ndash312 0027 ndash16744ndash314 0027 ndash16927ndash316 0026 ndash17277ndash315 0026 ndash17471ndash316 0026 17962

ndash284 0038 ndash4502ndash272 0044 ndash5534ndash264 0048 ndash6494ndash255 0053 ndash7376ndash245 0060 ndash7961ndash234 0067 ndash8647ndash226 0074 ndash9285ndash219 0080 ndash9879ndash212 0087 ndash10413ndash206 0094 ndash10943ndash200 0100 ndash11452ndash194 0107 ndash11830ndash189 0114 ndash12259ndash184 0120 ndash12693ndash180 0126 ndash13085ndash175 0133 ndash13511ndash171 0139 ndash13903ndash167 0146 ndash14260ndash164 0152 ndash14610ndash161 0157 ndash14965ndash157 0163 ndash15354ndash155 0168 ndash15752ndash151 0176 ndash16162ndash148 0183 ndash16621ndash145 0188 ndash16935ndash142 0196 ndash17193ndash140 0200 ndash17566ndash140 0200 ndash17831ndash137 0206 17889ndash135 0210 17414ndash135 0211 17103ndash131 0222 16864ndash127 0230 16412ndash128 0230 16135ndash125 0236 15931ndash124 0240 15476ndash125 0236 15089ndash123 0242 14807ndash121 0250 14338ndash121 0250 14017ndash119 0253 13870ndash118 0258 13576ndash119 0255 13262ndash119 0254 12984ndash118 0258 12560ndash117 0261 12101ndash115 0265 11755ndash115 0267 11468ndash115 0268 11178ndash115 0265 10939ndash115 0265 10735

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

09 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 7 Sndashparameters (TA = 25 degC)1

Maximum Attenuation Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash355 0017 ndash4503ndash337 0021 ndash5340ndash324 0024 ndash6024ndash308 0029 ndash6634ndash293 0034 ndash7212ndash281 0039 ndash7806ndash270 0045 ndash8360ndash260 0050 ndash8899ndash252 0055 ndash9388ndash245 0060 ndash9783ndash237 0065 ndash10206ndash230 0070 ndash10626ndash224 0076 ndash10981ndash218 0081 ndash11365ndash213 0086 ndash11701ndash207 0092 ndash12051ndash202 0098 ndash12414ndash197 0103 ndash12767ndash193 0109 ndash13134ndash189 0114 ndash13448ndash185 0119 ndash13803ndash182 0123 ndash14137ndash179 0128 ndash14454ndash174 0135 ndash14755ndash171 0140 ndash15101ndash167 0146 ndash15396ndash164 0152 ndash15702ndash161 0156 ndash16051ndash158 0161 ndash16333ndash155 0169 ndash16678ndash152 0173 ndash17090ndash150 0178 ndash17364ndash147 0184 ndash17680ndash145 0189 17954ndash143 0192 17703ndash141 0198 17399ndash139 0201 17013ndash138 0205 16730ndash134 0213 16418ndash132 0218 16036ndash131 0222 15766ndash128 0229 15470ndash126 0235 15086ndash125 0238 14774ndash123 0243 14423ndash121 0248 14001ndash120 0250 13700ndash118 0256 13344ndash118 0258 12988ndash118 0258 12834ndash114 0269 12433

ndash342 0019 ndash2062ndash344 0019 ndash2784ndash349 0018 ndash3295ndash354 0017 ndash3949ndash358 0016 ndash4389ndash364 0015 ndash4972ndash369 0014 ndash5372ndash375 0013 ndash5649ndash381 0012 ndash6032ndash387 0012 ndash6308ndash394 0011 ndash6517ndash398 0010 ndash6723ndash404 0010 ndash6929ndash408 0009 ndash7122ndash413 0009 ndash7053ndash416 0008 ndash7391ndash422 0008 ndash7429ndash424 0008 ndash7430ndash426 0007 ndash7464ndash431 0007 ndash7858ndash433 0007 ndash8026ndash440 0006 ndash8042ndash440 0006 ndash8294ndash446 0006 ndash8073ndash450 0006 ndash8204ndash452 0006 ndash8597ndash454 0005 ndash8618ndash455 0005 ndash8622ndash462 0005 ndash8648ndash460 0005 ndash9200ndash466 0005 ndash8668ndash471 0004 ndash8787ndash475 0004 ndash9048ndash480 0004 ndash9190ndash484 0004 ndash9449ndash491 0004 ndash9074ndash502 0003 ndash9243ndash508 0003 ndash9049ndash508 0003 ndash9439ndash508 0003 ndash7660ndash502 0003 ndash8467ndash517 0003 ndash8837ndash511 0003 ndash7462ndash520 0002 ndash8205ndash554 0002 ndash5919ndash528 0002 ndash4646ndash532 0002 ndash4125ndash505 0003 ndash4224ndash471 0004 ndash4615ndash471 0004 ndash4661ndash454 0005 ndash5316

ndash342 0019 ndash2126ndash344 0019 ndash2825ndash348 0018 ndash3274ndash353 0017 ndash3939ndash358 0016 ndash4408ndash364 0015 ndash4921ndash369 0014 ndash5333ndash376 0013 ndash5674ndash382 0012 ndash6052ndash387 0012 ndash6316ndash393 0011 ndash6601ndash397 0010 ndash6740ndash403 0010 ndash6899ndash409 0009 ndash7216ndash413 0009 ndash7316ndash419 0008 ndash7426ndash423 0008 ndash7361ndash426 0007 ndash7689ndash429 0007 ndash7492ndash430 0007 ndash7912ndash433 0007 ndash8003ndash440 0006 ndash7983ndash444 0006 ndash8330ndash449 0006 ndash8030ndash450 0006 ndash8157ndash457 0005 ndash8393ndash455 0005 ndash8365ndash457 0005 ndash8914ndash457 0005 ndash8609ndash464 0005 ndash8668ndash466 0005 ndash9157ndash473 0004 ndash8978ndash480 0004 ndash9521ndash477 0004 ndash9141ndash480 0004 ndash9412ndash491 0004 ndash9313ndash494 0003 ndash9281ndash505 0003 ndash8723ndash496 0003 ndash9659ndash520 0002 ndash8819ndash508 0003 ndash8023ndash502 0003 ndash8600ndash524 0002 ndash9170ndash528 0002 ndash8103ndash554 0002 ndash6095ndash514 0003 ndash5216ndash491 0004 ndash5431ndash482 0004 ndash5162ndash475 0004 ndash3932ndash464 0005 ndash6722ndash466 0005 ndash6333

ndash345 0019 ndash4099ndash330 0022 ndash4785ndash320 0025 ndash5530ndash307 0029 ndash6265ndash294 0034 ndash6757ndash282 0039 ndash7480ndash272 0044 ndash8099ndash264 0048 ndash8667ndash256 0053 ndash9173ndash247 0058 ndash9712ndash240 0063 ndash10218ndash233 0068 ndash10574ndash227 0073 ndash10959ndash221 0078 ndash11378ndash216 0083 ndash11753ndash210 0089 ndash12152ndash205 0094 ndash12533ndash201 0099 ndash12870ndash196 0105 ndash13199ndash192 0110 ndash13513ndash188 0115 ndash13874ndash184 0120 ndash14254ndash179 0127 ndash14671ndash175 0133 ndash15172ndash172 0138 ndash15475ndash167 0146 ndash15722ndash165 0150 ndash16069ndash164 0152 ndash16256ndash160 0159 ndash16520ndash158 0163 ndash17012ndash157 0165 ndash17267ndash150 0178 ndash17538ndash146 0186 17992ndash145 0188 17766ndash141 0196 17561ndash140 0200 17091ndash141 0198 16758ndash137 0206 16458ndash134 0214 15959ndash132 0218 15661ndash129 0226 15512ndash126 0233 15224ndash126 0234 14917ndash125 0236 14652ndash123 0242 14237ndash122 0246 13736ndash120 0253 13376ndash117 0260 13040ndash116 0263 12767ndash115 0265 12532ndash114 0269 12297

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

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010 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

05 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 3 Sndashparameters (TA = 25 degC)1

12 dB Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash336 0021 ndash5393ndash316 0026 ndash6499ndash308 0029 ndash7288ndash298 0032 ndash8392ndash285 0038 ndash8943ndash275 0042 ndash9744ndash269 0045 ndash10504ndash262 0049 ndash11106ndash255 0053 ndash11816ndash252 0055 ndash12323ndash247 0058 ndash12832ndash243 0061 ndash13395ndash241 0063 ndash13886ndash237 0065 ndash14400ndash235 0067 ndash14878ndash233 0068 ndash15311ndash231 0070 ndash15811ndash229 0071 ndash16219ndash227 0073 ndash16722ndash227 0073 ndash17208ndash227 0073 ndash17823ndash229 0072 17638ndash230 0070 17100ndash232 0069 16658ndash234 0068 16064ndash239 0064 15579ndash244 0060 15123ndash250 0056 14429ndash261 0050 13876ndash267 0046 13521ndash274 0043 12661ndash290 0036 11983ndash306 0030 11713ndash327 0023 10740ndash376 0013 9367ndash449 0006 7404ndash439 0006 ndash1507ndash372 0014 ndash6095ndash342 0020 ndash8146ndash317 0026 ndash8861ndash288 0036 ndash9293ndash268 0046 ndash10307ndash257 0052 ndash10868ndash244 0060 ndash11293ndash234 0068 ndash11981ndash229 0071 ndash12347ndash219 0080 ndash12714ndash213 0086 ndash13352ndash206 0093 ndash13620ndash195 0106 ndash13982ndash190 0112 ndash14780

ndash121 0249 ndash1007ndash120 0251 ndash1380ndash120 0251 ndash1691ndash120 0250 ndash2039ndash119 0253 ndash2384ndash119 0254 ndash2743ndash119 0254 ndash3068ndash118 0256 ndash3409ndash118 0257 ndash3764ndash118 0258 ndash4089ndash117 0261 ndash4431ndash116 0264 ndash4788ndash115 0266 ndash5132ndash114 0268 ndash5497ndash113 0272 ndash5872ndash112 0274 ndash6234ndash111 0278 ndash6609ndash110 0282 ndash6991ndash109 0286 ndash7389ndash107 0290 ndash7807ndash107 0293 ndash8220ndash105 0297 ndash8640ndash104 0300 ndash9068ndash103 0304 ndash9496ndash103 0307 ndash9931ndash102 0310 ndash10366ndash100 0315 ndash10810ndash99 0318 ndash11271ndash98 0322 ndash11743ndash98 0324 ndash12212ndash97 0327 ndash12703ndash96 0330 ndash13182ndash96 0332 ndash13682ndash95 0333 ndash14168ndash95 0334 ndash14684ndash95 0334 ndash15184ndash95 0336 ndash15687ndash95 0335 ndash16191ndash95 0334 ndash16706ndash95 0334 ndash17215ndash96 0332 ndash17723ndash96 0330 17777ndash97 0328 17266ndash97 0326 16759ndash98 0324 16256ndash99 0321 15782ndash99 0319 15293ndash100 0316 14787ndash101 0313 14314ndash102 0310 13803ndash103 0306 13300

ndash121 0249 ndash1051ndash120 0251 ndash1424ndash120 0251 ndash1725ndash120 0250 ndash2071ndash119 0253 ndash2414ndash119 0253 ndash2776ndash119 0254 ndash3102ndash119 0256 ndash3439ndash118 0256 ndash3789ndash118 0258 ndash4114ndash117 0261 ndash4459ndash116 0263 ndash4816ndash115 0266 ndash5154ndash114 0268 ndash5521ndash113 0272 ndash5892ndash112 0275 ndash6250ndash111 0278 ndash6620ndash110 0282 ndash7009ndash109 0286 ndash7404ndash107 0290 ndash7821ndash107 0293 ndash8228ndash105 0297 ndash8649ndash104 0300 ndash9071ndash103 0304 ndash9499ndash103 0307 ndash9930ndash102 0310 ndash10364ndash101 0314 ndash10810ndash100 0318 ndash11272ndash99 0322 ndash11738ndash98 0324 ndash12208ndash97 0327 ndash12687ndash96 0329 ndash13177ndash96 0331 ndash13672ndash96 0333 ndash14163ndash95 0334 ndash14666ndash95 0335 ndash15158ndash95 0335 ndash15658ndash95 0334 ndash16161ndash95 0334 ndash16683ndash96 0333 ndash17190ndash96 0332 ndash17687ndash96 0330 17802ndash97 0329 17317ndash98 0325 16805ndash98 0323 16307ndash99 0321 15821ndash99 0318 15323

ndash100 0315 14825ndash101 0314 14341ndash102 0310 13860ndash102 0307 13397

ndash258 0051 ndash2277ndash253 0055 ndash3051ndash256 0053 ndash3704ndash261 0050 ndash4587ndash254 0054 ndash5116ndash249 0057 ndash5878ndash249 0057 ndash6578ndash249 0057 ndash7237ndash250 0056 ndash8012ndash251 0056 ndash8751ndash250 0056 ndash9398ndash247 0058 ndash9833ndash247 0058 ndash10393ndash247 0058 ndash11028ndash249 0057 ndash11572ndash251 0056 ndash12237ndash252 0055 ndash12838ndash252 0055 ndash13267ndash252 0055 ndash13605ndash255 0053 ndash14096ndash259 0051 ndash14732ndash265 0047 ndash15419ndash266 0047 ndash16111ndash268 0046 ndash17040ndash276 0042 ndash17467ndash279 0040 ndash17674ndash292 0035 17717ndash321 0025 17833ndash337 0021 ndash17819ndash368 0014 16610ndash460 0005 ndash16169ndash396 0010 ndash13292ndash411 0009 ndash12588ndash352 0017 ndash8210ndash312 0028 ndash8633ndash301 0031 ndash8248ndash275 0042 ndash7444ndash261 0049 ndash8347ndash259 0050 ndash8749ndash243 0061 ndash9117ndash224 0076 ndash10005ndash215 0084 ndash10622ndash204 0096 ndash10846ndash196 0105 ndash11220ndash191 0110 ndash11622ndash192 0110 ndash11975ndash187 0116 ndash12615ndash183 0121 ndash13170ndash178 0129 ndash13559ndash170 0141 ndash13973ndash165 0150 ndash14385

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

06 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 4 Sndashparameters (TA = 25 degC)1

17 dB Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash324 0024 ndash5009ndash308 0029 ndash6095ndash299 0032 ndash6935ndash289 0036 ndash7853ndash277 0041 ndash8443ndash267 0046 ndash9179ndash260 0050 ndash9845ndash253 0054 ndash10473ndash246 0059 ndash11045ndash241 0062 ndash11551ndash236 0066 ndash12030ndash231 0070 ndash12522ndash228 0072 ndash12981ndash224 0076 ndash13422ndash221 0078 ndash13817ndash219 0081 ndash14239ndash216 0084 ndash14656ndash213 0086 ndash15033ndash211 0088 ndash15447ndash210 0089 ndash15818ndash209 0090 ndash16273ndash209 0090 ndash16658ndash209 0090 ndash17028ndash208 0091 ndash17307ndash208 0091 ndash17707ndash209 0090 ndash17958ndash210 0090 17758ndash211 0088 17389ndash214 0086 17192ndash213 0086 16986ndash214 0085 16587ndash218 0082 16418ndash218 0082 16330ndash220 0079 16082ndash224 0076 16114ndash226 0074 16061ndash230 0071 15854ndash232 0069 15963ndash229 0072 15974ndash230 0071 15831ndash231 0070 15942ndash226 0074 16106ndash227 0073 15865ndash227 0073 15939ndash224 0076 15848ndash224 0076 15514ndash224 0076 15600ndash220 0079 15501ndash224 0076 15382ndash220 0079 15821ndash214 0085 15500

ndash172 0138 ndash827ndash171 0140 ndash1145ndash171 0140 ndash1405ndash170 0140 ndash1713ndash169 0142 ndash2014ndash169 0143 ndash2328ndash168 0144 ndash2612ndash167 0146 ndash2917ndash166 0147 ndash3236ndash165 0149 ndash3532ndash164 0151 ndash3859ndash163 0154 ndash4199ndash162 0156 ndash4522ndash160 0158 ndash4875ndash159 0160 ndash5241ndash158 0163 ndash5595ndash156 0166 ndash5974ndash155 0169 ndash6350ndash153 0171 ndash6747ndash152 0175 ndash7168ndash151 0177 ndash7584ndash150 0179 ndash8011ndash148 0181 ndash8455ndash147 0183 ndash8885ndash147 0185 ndash9313ndash146 0187 ndash9765ndash145 0189 ndash10208ndash144 0190 ndash10671ndash144 0192 ndash11141ndash143 0194 ndash11614ndash142 0194 ndash12095ndash142 0194 ndash12548ndash142 0195 ndash13045ndash142 0195 ndash13522ndash142 0195 ndash14025ndash142 0195 ndash14493ndash142 0195 ndash14978ndash143 0194 ndash15460ndash143 0193 ndash15930ndash144 0192 ndash16451ndash144 0191 ndash16907ndash145 0189 ndash17387ndash145 0188 ndash17860ndash146 0187 17665ndash147 0184 17140ndash148 0182 16694ndash149 0180 16207ndash149 0179 15743ndash151 0176 15275ndash152 0174 14805ndash153 0172 14297

ndash172 0138 ndash874ndash171 0140 ndash1198ndash170 0140 ndash1441ndash170 0140 ndash1749ndash169 0142 ndash2037ndash169 0143 ndash2361ndash168 0144 ndash2648ndash167 0146 ndash2950ndash166 0147 ndash3271ndash165 0149 ndash3573ndash164 0151 ndash3891ndash163 0154 ndash4218ndash161 0156 ndash4546ndash160 0158 ndash4897ndash159 0161 ndash5252ndash158 0163 ndash5613ndash156 0166 ndash5983ndash155 0169 ndash6367ndash153 0172 ndash6753ndash152 0174 ndash7169ndash150 0177 ndash7598ndash149 0179 ndash8020ndash148 0181 ndash8444ndash147 0183 ndash8874ndash147 0185 ndash9313ndash146 0187 ndash9767ndash145 0189 ndash10202ndash144 0190 ndash10676ndash143 0192 ndash11141ndash143 0193 ndash11605ndash143 0194 ndash12081ndash142 0194 ndash12548ndash142 0195 ndash13035ndash142 0195 ndash13504ndash142 0195 ndash13993ndash142 0195 ndash14464ndash142 0194 ndash14953ndash143 0194 ndash15422ndash143 0193 ndash15901ndash144 0191 ndash16402ndash144 0190 ndash16865ndash145 0189 ndash17356ndash145 0188 ndash17842ndash146 0185 17676ndash147 0184 17215ndash148 0182 16746ndash149 0179 16283ndash150 0179 15805ndash151 0176 15300ndash152 0174 14877ndash153 0172 14430

ndash261 0049 ndash2648ndash256 0052 ndash3456ndash258 0051 ndash4267ndash260 0050 ndash5192ndash253 0054 ndash5749ndash247 0058 ndash6509ndash243 0061 ndash7234ndash242 0062 ndash7931ndash241 0063 ndash8687ndash238 0064 ndash9413ndash236 0066 ndash10064ndash232 0069 ndash10482ndash230 0071 ndash11019ndash229 0072 ndash11622ndash228 0073 ndash12127ndash227 0074 ndash12742ndash226 0074 ndash13264ndash224 0076 ndash13628ndash223 0076 ndash14008ndash224 0076 ndash14418ndash224 0076 ndash14925ndash225 0075 ndash15415ndash224 0076 ndash15937ndash223 0077 ndash16555ndash224 0076 ndash16858ndash222 0077 ndash17046ndash226 0074 ndash17430ndash235 0067 ndash17442ndash235 0067 ndash17532ndash239 0064 17856ndash247 0058 17831ndash239 0064 17937ndash238 0064 17495ndash245 0060 17757ndash242 0062 ndash17849ndash246 0059 17734ndash257 0052 17918ndash252 0055 ndash17954ndash249 0057 17428ndash251 0056 17683ndash240 0063 ndash17768ndash234 0067 ndash17757ndash235 0067 ndash17366ndash231 0070 ndash17230ndash230 0071 ndash17491ndash233 0068 17985ndash229 0072 17696ndash224 0076 17505ndash220 0080 17611ndash215 0084 17706ndash208 0091 17745

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

07 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 5 Sndashparameters (TA = 25 degC)1

22 dB setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash342 0020 ndash9085ndash316 0026 ndash9443ndash299 0032 ndash9890ndash283 0038 ndash10335ndash269 0045 ndash10622ndash257 0052 ndash11032ndash246 0059 ndash11456ndash238 0064 ndash11894ndash230 0071 ndash12280ndash224 0076 ndash12633ndash217 0082 ndash12977ndash212 0087 ndash13358ndash207 0092 ndash13711ndash203 0097 ndash14034ndash199 0101 ndash14361ndash195 0106 ndash14668ndash191 0111 ndash15015ndash187 0116 ndash15326ndash184 0120 ndash15665ndash181 0124 ndash15979ndash179 0127 ndash16324ndash177 0130 ndash16653ndash175 0133 ndash16958ndash173 0136 ndash17216ndash171 0140 ndash17555ndash169 0142 ndash17831ndash167 0146 17900ndash166 0148 17556ndash165 0149 17293ndash163 0154 17022ndash161 0156 16631ndash161 0156 16375ndash159 0160 16145ndash159 0161 15796ndash159 0161 15575ndash158 0162 15285ndash158 0162 14938ndash158 0162 14703ndash156 0165 14467ndash155 0167 14131ndash156 0166 13885ndash154 0169 13695ndash154 0171 13352ndash155 0169 13057ndash154 0171 12793ndash153 0171 12385ndash154 0169 12152ndash153 0171 11860ndash155 0167 11522ndash157 0164 11456ndash155 0168 11185

ndash219 0080 ndash860ndash218 0081 ndash1211ndash218 0082 ndash1463ndash218 0082 ndash1798ndash217 0082 ndash2101ndash217 0082 ndash2421ndash217 0082 ndash2726ndash216 0084 ndash3039ndash215 0084 ndash3390ndash215 0084 ndash3691ndash214 0085 ndash4023ndash213 0086 ndash4368ndash213 0086 ndash4682ndash212 0087 ndash5056ndash211 0088 ndash5404ndash211 0088 ndash5756ndash210 0089 ndash6129ndash209 0090 ndash6493ndash208 0091 ndash6882ndash208 0091 ndash7266ndash207 0092 ndash7685ndash207 0092 ndash8099ndash207 0092 ndash8474ndash207 0092 ndash8906ndash207 0093 ndash9299ndash207 0093 ndash9716ndash206 0093 ndash10102ndash206 0093 ndash10532ndash206 0093 ndash10936ndash207 0093 ndash11398ndash207 0092 ndash11804ndash207 0092 ndash12228ndash208 0091 ndash12691ndash208 0091 ndash13111ndash209 0090 ndash13514ndash210 0090 ndash13964ndash210 0089 ndash14372ndash211 0088 ndash14816ndash212 0087 ndash15246ndash212 0087 ndash15706ndash214 0085 ndash16115ndash215 0084 ndash16543ndash216 0083 ndash16961ndash217 0082 ndash17434ndash217 0082 ndash17865ndash219 0080 17742ndash221 0078 17341ndash223 0077 16950ndash224 0076 16497ndash226 0074 16076ndash223 0076 15573

ndash219 0081 ndash905ndash218 0082 ndash1250ndash218 0082 ndash1512ndash218 0082 ndash1829ndash217 0082 ndash2141ndash217 0083 ndash2470ndash216 0083 ndash2788ndash216 0084 ndash3078ndash215 0084 ndash3426ndash215 0084 ndash3720ndash214 0085 ndash4050ndash213 0086 ndash4393ndash212 0087 ndash4719ndash212 0087 ndash5076ndash211 0088 ndash5432ndash211 0088 ndash5799ndash210 0089 ndash6135ndash209 0090 ndash6511ndash208 0091 ndash6897ndash208 0091 ndash7285ndash207 0092 ndash7697ndash207 0092 ndash8101ndash207 0092 ndash8508ndash207 0092 ndash8879ndash207 0092 ndash9303ndash207 0093 ndash9706ndash207 0092 ndash10096ndash207 0093 ndash10531ndash206 0093 ndash10959ndash207 0092 ndash11370ndash207 0092 ndash11793ndash207 0092 ndash12226ndash208 0092 ndash12657ndash208 0091 ndash13094ndash209 0090 ndash13519ndash210 0089 ndash13943ndash211 0089 ndash14373ndash212 0087 ndash14803ndash212 0087 ndash15223ndash213 0086 ndash15671ndash213 0086 ndash16057ndash215 0085 ndash16518ndash216 0083 ndash16940ndash217 0082 ndash17393ndash219 0080 ndash17810ndash220 0079 17847ndash221 0078 17379ndash222 0077 16952ndash225 0075 16550ndash225 0075 16200ndash228 0073 15661

ndash299 0032 ndash4515ndash287 0037 ndash5532ndash282 0039 ndash6651ndash275 0042 ndash7707ndash264 0048 ndash8188ndash253 0055 ndash8804ndash244 0060 ndash9456ndash238 0064 ndash10107ndash233 0068 ndash10727ndash227 0074 ndash11336ndash221 0078 ndash11864ndash216 0084 ndash12204ndash211 0088 ndash12626ndash207 0092 ndash13095ndash204 0096 ndash13522ndash200 0100 ndash13980ndash197 0103 ndash14395ndash194 0107 ndash14709ndash191 0111 ndash15053ndash189 0114 ndash15403ndash187 0117 ndash15798ndash185 0119 ndash16201ndash181 0124 ndash16607ndash178 0128 ndash17087ndash177 0131 ndash17368ndash174 0136 ndash17587ndash173 0136 ndash17960ndash175 0134 17827ndash173 0137 17591ndash172 0138 17075ndash173 0136 16825ndash168 0144 16691ndash165 0150 16232ndash167 0146 16022ndash165 0149 15908ndash165 0150 15440ndash168 0144 15083ndash166 0148 14855ndash163 0154 14380ndash164 0152 14105ndash163 0153 14109ndash162 0155 13916ndash164 0151 13662ndash165 0150 13479ndash165 0149 13057ndash164 0152 12538ndash163 0153 12227ndash162 0154 11955ndash163 0153 11791ndash165 0149 11727ndash166 0148 11614

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

08 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 6 Sndashparameters (TA = 25 degC)1

27 dB Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash297 0033 ndash5414ndash282 0039 ndash6510ndash269 0045 ndash7349ndash257 0052 ndash8080ndash245 0060 ndash8675ndash234 0068 ndash9282ndash225 0075 ndash9822ndash217 0082 ndash10335ndash209 0090 ndash10848ndash203 0096 ndash11261ndash196 0104 ndash11677ndash191 0111 ndash12101ndash186 0118 ndash12488ndash181 0125 ndash12874ndash176 0131 ndash13238ndash172 0138 ndash13593ndash167 0146 ndash13961ndash163 0153 ndash14320ndash160 0159 ndash14688ndash156 0165 ndash15033ndash153 0171 ndash15399ndash151 0176 ndash15748ndash148 0181 ndash16082ndash145 0188 ndash16397ndash142 0194 ndash16757ndash140 0200 ndash17077ndash137 0206 ndash17398ndash135 0210 ndash17756ndash134 0215 17935ndash131 0222 17601ndash129 0226 17185ndash128 0229 16893ndash126 0235 16597ndash125 0238 16230ndash124 0240 15932ndash122 0244 15623ndash122 0246 15235ndash121 0248 14938ndash119 0254 14643ndash118 0257 14275ndash117 0259 13993ndash116 0264 13710ndash115 0267 13338ndash115 0267 13008ndash114 0271 12694ndash113 0273 12273ndash113 0273 11945ndash112 0276 11626ndash113 0274 11267ndash114 0270 11068ndash112 0277 10768

ndash266 0047 ndash1026ndash266 0047 ndash1458ndash266 0047 ndash1747ndash267 0046 ndash2159ndash267 0046 ndash2512ndash268 0046 ndash2865ndash269 0045 ndash3225ndash269 0045 ndash3542ndash270 0045 ndash3891ndash271 0044 ndash4222ndash272 0044 ndash4533ndash272 0044 ndash4863ndash273 0043 ndash5198ndash273 0043 ndash5533ndash273 0043 ndash5861ndash275 0042 ndash6219ndash275 0042 ndash6501ndash276 0042 ndash6868ndash276 0042 ndash7177ndash276 0042 ndash7538ndash277 0041 ndash7866ndash278 0041 ndash8235ndash279 0040 ndash8543ndash280 0040 ndash8891ndash281 0039 ndash9210ndash281 0039 ndash9536ndash282 0039 ndash9881ndash284 0038 ndash10201ndash284 0038 ndash10600ndash285 0038 ndash10962ndash286 0037 ndash11305ndash287 0037 ndash11704ndash288 0036 ndash12046ndash289 0036 ndash12337ndash290 0036 ndash12693ndash292 0035 ndash13042ndash294 0034 ndash13467ndash296 0033 ndash13699ndash297 0033 ndash14040ndash297 0033 ndash14373ndash299 0032 ndash14771ndash300 0032 ndash15137ndash301 0031 ndash15538ndash304 0030 ndash15918ndash309 0028 ndash16311ndash311 0028 ndash16324ndash311 0028 ndash16740ndash313 0027 ndash17026ndash314 0027 ndash17212ndash313 0027 ndash17530ndash318 0026 ndash17915

ndash266 0047 ndash1081ndash266 0047 ndash1505ndash266 0047 ndash1790ndash267 0046 ndash2184ndash267 0046 ndash2545ndash268 0046 ndash2904ndash268 0046 ndash3259ndash269 0045 ndash3577ndash270 0045 ndash3944ndash271 0044 ndash4242ndash271 0044 ndash4591ndash272 0044 ndash4904ndash272 0044 ndash5234ndash273 0043 ndash5564ndash273 0043 ndash5879ndash274 0042 ndash6195ndash275 0042 ndash6538ndash276 0042 ndash6837ndash276 0042 ndash7187ndash276 0042 ndash7521ndash277 0041 ndash7891ndash278 0041 ndash8239ndash279 0040 ndash8583ndash280 0040 ndash8908ndash281 0039 ndash9204ndash282 0039 ndash9540ndash282 0039 ndash9889ndash283 0038 ndash10245ndash284 0038 ndash10613ndash285 0038 ndash10891ndash285 0037 ndash11314ndash288 0036 ndash11673ndash288 0036 ndash11986ndash289 0036 ndash12288ndash291 0035 ndash12724ndash294 0034 ndash13048ndash293 0034 ndash13411ndash296 0033 ndash13704ndash297 0033 ndash14066ndash299 0032 ndash14344ndash300 0032 ndash14756ndash301 0031 ndash15105ndash302 0031 ndash15532ndash305 0030 ndash15850ndash308 0029 ndash16247ndash310 0028 ndash16298ndash312 0027 ndash16744ndash314 0027 ndash16927ndash316 0026 ndash17277ndash315 0026 ndash17471ndash316 0026 17962

ndash284 0038 ndash4502ndash272 0044 ndash5534ndash264 0048 ndash6494ndash255 0053 ndash7376ndash245 0060 ndash7961ndash234 0067 ndash8647ndash226 0074 ndash9285ndash219 0080 ndash9879ndash212 0087 ndash10413ndash206 0094 ndash10943ndash200 0100 ndash11452ndash194 0107 ndash11830ndash189 0114 ndash12259ndash184 0120 ndash12693ndash180 0126 ndash13085ndash175 0133 ndash13511ndash171 0139 ndash13903ndash167 0146 ndash14260ndash164 0152 ndash14610ndash161 0157 ndash14965ndash157 0163 ndash15354ndash155 0168 ndash15752ndash151 0176 ndash16162ndash148 0183 ndash16621ndash145 0188 ndash16935ndash142 0196 ndash17193ndash140 0200 ndash17566ndash140 0200 ndash17831ndash137 0206 17889ndash135 0210 17414ndash135 0211 17103ndash131 0222 16864ndash127 0230 16412ndash128 0230 16135ndash125 0236 15931ndash124 0240 15476ndash125 0236 15089ndash123 0242 14807ndash121 0250 14338ndash121 0250 14017ndash119 0253 13870ndash118 0258 13576ndash119 0255 13262ndash119 0254 12984ndash118 0258 12560ndash117 0261 12101ndash115 0265 11755ndash115 0267 11468ndash115 0268 11178ndash115 0265 10939ndash115 0265 10735

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

09 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 7 Sndashparameters (TA = 25 degC)1

Maximum Attenuation Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash355 0017 ndash4503ndash337 0021 ndash5340ndash324 0024 ndash6024ndash308 0029 ndash6634ndash293 0034 ndash7212ndash281 0039 ndash7806ndash270 0045 ndash8360ndash260 0050 ndash8899ndash252 0055 ndash9388ndash245 0060 ndash9783ndash237 0065 ndash10206ndash230 0070 ndash10626ndash224 0076 ndash10981ndash218 0081 ndash11365ndash213 0086 ndash11701ndash207 0092 ndash12051ndash202 0098 ndash12414ndash197 0103 ndash12767ndash193 0109 ndash13134ndash189 0114 ndash13448ndash185 0119 ndash13803ndash182 0123 ndash14137ndash179 0128 ndash14454ndash174 0135 ndash14755ndash171 0140 ndash15101ndash167 0146 ndash15396ndash164 0152 ndash15702ndash161 0156 ndash16051ndash158 0161 ndash16333ndash155 0169 ndash16678ndash152 0173 ndash17090ndash150 0178 ndash17364ndash147 0184 ndash17680ndash145 0189 17954ndash143 0192 17703ndash141 0198 17399ndash139 0201 17013ndash138 0205 16730ndash134 0213 16418ndash132 0218 16036ndash131 0222 15766ndash128 0229 15470ndash126 0235 15086ndash125 0238 14774ndash123 0243 14423ndash121 0248 14001ndash120 0250 13700ndash118 0256 13344ndash118 0258 12988ndash118 0258 12834ndash114 0269 12433

ndash342 0019 ndash2062ndash344 0019 ndash2784ndash349 0018 ndash3295ndash354 0017 ndash3949ndash358 0016 ndash4389ndash364 0015 ndash4972ndash369 0014 ndash5372ndash375 0013 ndash5649ndash381 0012 ndash6032ndash387 0012 ndash6308ndash394 0011 ndash6517ndash398 0010 ndash6723ndash404 0010 ndash6929ndash408 0009 ndash7122ndash413 0009 ndash7053ndash416 0008 ndash7391ndash422 0008 ndash7429ndash424 0008 ndash7430ndash426 0007 ndash7464ndash431 0007 ndash7858ndash433 0007 ndash8026ndash440 0006 ndash8042ndash440 0006 ndash8294ndash446 0006 ndash8073ndash450 0006 ndash8204ndash452 0006 ndash8597ndash454 0005 ndash8618ndash455 0005 ndash8622ndash462 0005 ndash8648ndash460 0005 ndash9200ndash466 0005 ndash8668ndash471 0004 ndash8787ndash475 0004 ndash9048ndash480 0004 ndash9190ndash484 0004 ndash9449ndash491 0004 ndash9074ndash502 0003 ndash9243ndash508 0003 ndash9049ndash508 0003 ndash9439ndash508 0003 ndash7660ndash502 0003 ndash8467ndash517 0003 ndash8837ndash511 0003 ndash7462ndash520 0002 ndash8205ndash554 0002 ndash5919ndash528 0002 ndash4646ndash532 0002 ndash4125ndash505 0003 ndash4224ndash471 0004 ndash4615ndash471 0004 ndash4661ndash454 0005 ndash5316

ndash342 0019 ndash2126ndash344 0019 ndash2825ndash348 0018 ndash3274ndash353 0017 ndash3939ndash358 0016 ndash4408ndash364 0015 ndash4921ndash369 0014 ndash5333ndash376 0013 ndash5674ndash382 0012 ndash6052ndash387 0012 ndash6316ndash393 0011 ndash6601ndash397 0010 ndash6740ndash403 0010 ndash6899ndash409 0009 ndash7216ndash413 0009 ndash7316ndash419 0008 ndash7426ndash423 0008 ndash7361ndash426 0007 ndash7689ndash429 0007 ndash7492ndash430 0007 ndash7912ndash433 0007 ndash8003ndash440 0006 ndash7983ndash444 0006 ndash8330ndash449 0006 ndash8030ndash450 0006 ndash8157ndash457 0005 ndash8393ndash455 0005 ndash8365ndash457 0005 ndash8914ndash457 0005 ndash8609ndash464 0005 ndash8668ndash466 0005 ndash9157ndash473 0004 ndash8978ndash480 0004 ndash9521ndash477 0004 ndash9141ndash480 0004 ndash9412ndash491 0004 ndash9313ndash494 0003 ndash9281ndash505 0003 ndash8723ndash496 0003 ndash9659ndash520 0002 ndash8819ndash508 0003 ndash8023ndash502 0003 ndash8600ndash524 0002 ndash9170ndash528 0002 ndash8103ndash554 0002 ndash6095ndash514 0003 ndash5216ndash491 0004 ndash5431ndash482 0004 ndash5162ndash475 0004 ndash3932ndash464 0005 ndash6722ndash466 0005 ndash6333

ndash345 0019 ndash4099ndash330 0022 ndash4785ndash320 0025 ndash5530ndash307 0029 ndash6265ndash294 0034 ndash6757ndash282 0039 ndash7480ndash272 0044 ndash8099ndash264 0048 ndash8667ndash256 0053 ndash9173ndash247 0058 ndash9712ndash240 0063 ndash10218ndash233 0068 ndash10574ndash227 0073 ndash10959ndash221 0078 ndash11378ndash216 0083 ndash11753ndash210 0089 ndash12152ndash205 0094 ndash12533ndash201 0099 ndash12870ndash196 0105 ndash13199ndash192 0110 ndash13513ndash188 0115 ndash13874ndash184 0120 ndash14254ndash179 0127 ndash14671ndash175 0133 ndash15172ndash172 0138 ndash15475ndash167 0146 ndash15722ndash165 0150 ndash16069ndash164 0152 ndash16256ndash160 0159 ndash16520ndash158 0163 ndash17012ndash157 0165 ndash17267ndash150 0178 ndash17538ndash146 0186 17992ndash145 0188 17766ndash141 0196 17561ndash140 0200 17091ndash141 0198 16758ndash137 0206 16458ndash134 0214 15959ndash132 0218 15661ndash129 0226 15512ndash126 0233 15224ndash126 0234 14917ndash125 0236 14652ndash123 0242 14237ndash122 0246 13736ndash120 0253 13376ndash117 0260 13040ndash116 0263 12767ndash115 0265 12532ndash114 0269 12297

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

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010 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

06 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 4 Sndashparameters (TA = 25 degC)1

17 dB Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash324 0024 ndash5009ndash308 0029 ndash6095ndash299 0032 ndash6935ndash289 0036 ndash7853ndash277 0041 ndash8443ndash267 0046 ndash9179ndash260 0050 ndash9845ndash253 0054 ndash10473ndash246 0059 ndash11045ndash241 0062 ndash11551ndash236 0066 ndash12030ndash231 0070 ndash12522ndash228 0072 ndash12981ndash224 0076 ndash13422ndash221 0078 ndash13817ndash219 0081 ndash14239ndash216 0084 ndash14656ndash213 0086 ndash15033ndash211 0088 ndash15447ndash210 0089 ndash15818ndash209 0090 ndash16273ndash209 0090 ndash16658ndash209 0090 ndash17028ndash208 0091 ndash17307ndash208 0091 ndash17707ndash209 0090 ndash17958ndash210 0090 17758ndash211 0088 17389ndash214 0086 17192ndash213 0086 16986ndash214 0085 16587ndash218 0082 16418ndash218 0082 16330ndash220 0079 16082ndash224 0076 16114ndash226 0074 16061ndash230 0071 15854ndash232 0069 15963ndash229 0072 15974ndash230 0071 15831ndash231 0070 15942ndash226 0074 16106ndash227 0073 15865ndash227 0073 15939ndash224 0076 15848ndash224 0076 15514ndash224 0076 15600ndash220 0079 15501ndash224 0076 15382ndash220 0079 15821ndash214 0085 15500

ndash172 0138 ndash827ndash171 0140 ndash1145ndash171 0140 ndash1405ndash170 0140 ndash1713ndash169 0142 ndash2014ndash169 0143 ndash2328ndash168 0144 ndash2612ndash167 0146 ndash2917ndash166 0147 ndash3236ndash165 0149 ndash3532ndash164 0151 ndash3859ndash163 0154 ndash4199ndash162 0156 ndash4522ndash160 0158 ndash4875ndash159 0160 ndash5241ndash158 0163 ndash5595ndash156 0166 ndash5974ndash155 0169 ndash6350ndash153 0171 ndash6747ndash152 0175 ndash7168ndash151 0177 ndash7584ndash150 0179 ndash8011ndash148 0181 ndash8455ndash147 0183 ndash8885ndash147 0185 ndash9313ndash146 0187 ndash9765ndash145 0189 ndash10208ndash144 0190 ndash10671ndash144 0192 ndash11141ndash143 0194 ndash11614ndash142 0194 ndash12095ndash142 0194 ndash12548ndash142 0195 ndash13045ndash142 0195 ndash13522ndash142 0195 ndash14025ndash142 0195 ndash14493ndash142 0195 ndash14978ndash143 0194 ndash15460ndash143 0193 ndash15930ndash144 0192 ndash16451ndash144 0191 ndash16907ndash145 0189 ndash17387ndash145 0188 ndash17860ndash146 0187 17665ndash147 0184 17140ndash148 0182 16694ndash149 0180 16207ndash149 0179 15743ndash151 0176 15275ndash152 0174 14805ndash153 0172 14297

ndash172 0138 ndash874ndash171 0140 ndash1198ndash170 0140 ndash1441ndash170 0140 ndash1749ndash169 0142 ndash2037ndash169 0143 ndash2361ndash168 0144 ndash2648ndash167 0146 ndash2950ndash166 0147 ndash3271ndash165 0149 ndash3573ndash164 0151 ndash3891ndash163 0154 ndash4218ndash161 0156 ndash4546ndash160 0158 ndash4897ndash159 0161 ndash5252ndash158 0163 ndash5613ndash156 0166 ndash5983ndash155 0169 ndash6367ndash153 0172 ndash6753ndash152 0174 ndash7169ndash150 0177 ndash7598ndash149 0179 ndash8020ndash148 0181 ndash8444ndash147 0183 ndash8874ndash147 0185 ndash9313ndash146 0187 ndash9767ndash145 0189 ndash10202ndash144 0190 ndash10676ndash143 0192 ndash11141ndash143 0193 ndash11605ndash143 0194 ndash12081ndash142 0194 ndash12548ndash142 0195 ndash13035ndash142 0195 ndash13504ndash142 0195 ndash13993ndash142 0195 ndash14464ndash142 0194 ndash14953ndash143 0194 ndash15422ndash143 0193 ndash15901ndash144 0191 ndash16402ndash144 0190 ndash16865ndash145 0189 ndash17356ndash145 0188 ndash17842ndash146 0185 17676ndash147 0184 17215ndash148 0182 16746ndash149 0179 16283ndash150 0179 15805ndash151 0176 15300ndash152 0174 14877ndash153 0172 14430

ndash261 0049 ndash2648ndash256 0052 ndash3456ndash258 0051 ndash4267ndash260 0050 ndash5192ndash253 0054 ndash5749ndash247 0058 ndash6509ndash243 0061 ndash7234ndash242 0062 ndash7931ndash241 0063 ndash8687ndash238 0064 ndash9413ndash236 0066 ndash10064ndash232 0069 ndash10482ndash230 0071 ndash11019ndash229 0072 ndash11622ndash228 0073 ndash12127ndash227 0074 ndash12742ndash226 0074 ndash13264ndash224 0076 ndash13628ndash223 0076 ndash14008ndash224 0076 ndash14418ndash224 0076 ndash14925ndash225 0075 ndash15415ndash224 0076 ndash15937ndash223 0077 ndash16555ndash224 0076 ndash16858ndash222 0077 ndash17046ndash226 0074 ndash17430ndash235 0067 ndash17442ndash235 0067 ndash17532ndash239 0064 17856ndash247 0058 17831ndash239 0064 17937ndash238 0064 17495ndash245 0060 17757ndash242 0062 ndash17849ndash246 0059 17734ndash257 0052 17918ndash252 0055 ndash17954ndash249 0057 17428ndash251 0056 17683ndash240 0063 ndash17768ndash234 0067 ndash17757ndash235 0067 ndash17366ndash231 0070 ndash17230ndash230 0071 ndash17491ndash233 0068 17985ndash229 0072 17696ndash224 0076 17505ndash220 0080 17611ndash215 0084 17706ndash208 0091 17745

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

07 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 5 Sndashparameters (TA = 25 degC)1

22 dB setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash342 0020 ndash9085ndash316 0026 ndash9443ndash299 0032 ndash9890ndash283 0038 ndash10335ndash269 0045 ndash10622ndash257 0052 ndash11032ndash246 0059 ndash11456ndash238 0064 ndash11894ndash230 0071 ndash12280ndash224 0076 ndash12633ndash217 0082 ndash12977ndash212 0087 ndash13358ndash207 0092 ndash13711ndash203 0097 ndash14034ndash199 0101 ndash14361ndash195 0106 ndash14668ndash191 0111 ndash15015ndash187 0116 ndash15326ndash184 0120 ndash15665ndash181 0124 ndash15979ndash179 0127 ndash16324ndash177 0130 ndash16653ndash175 0133 ndash16958ndash173 0136 ndash17216ndash171 0140 ndash17555ndash169 0142 ndash17831ndash167 0146 17900ndash166 0148 17556ndash165 0149 17293ndash163 0154 17022ndash161 0156 16631ndash161 0156 16375ndash159 0160 16145ndash159 0161 15796ndash159 0161 15575ndash158 0162 15285ndash158 0162 14938ndash158 0162 14703ndash156 0165 14467ndash155 0167 14131ndash156 0166 13885ndash154 0169 13695ndash154 0171 13352ndash155 0169 13057ndash154 0171 12793ndash153 0171 12385ndash154 0169 12152ndash153 0171 11860ndash155 0167 11522ndash157 0164 11456ndash155 0168 11185

ndash219 0080 ndash860ndash218 0081 ndash1211ndash218 0082 ndash1463ndash218 0082 ndash1798ndash217 0082 ndash2101ndash217 0082 ndash2421ndash217 0082 ndash2726ndash216 0084 ndash3039ndash215 0084 ndash3390ndash215 0084 ndash3691ndash214 0085 ndash4023ndash213 0086 ndash4368ndash213 0086 ndash4682ndash212 0087 ndash5056ndash211 0088 ndash5404ndash211 0088 ndash5756ndash210 0089 ndash6129ndash209 0090 ndash6493ndash208 0091 ndash6882ndash208 0091 ndash7266ndash207 0092 ndash7685ndash207 0092 ndash8099ndash207 0092 ndash8474ndash207 0092 ndash8906ndash207 0093 ndash9299ndash207 0093 ndash9716ndash206 0093 ndash10102ndash206 0093 ndash10532ndash206 0093 ndash10936ndash207 0093 ndash11398ndash207 0092 ndash11804ndash207 0092 ndash12228ndash208 0091 ndash12691ndash208 0091 ndash13111ndash209 0090 ndash13514ndash210 0090 ndash13964ndash210 0089 ndash14372ndash211 0088 ndash14816ndash212 0087 ndash15246ndash212 0087 ndash15706ndash214 0085 ndash16115ndash215 0084 ndash16543ndash216 0083 ndash16961ndash217 0082 ndash17434ndash217 0082 ndash17865ndash219 0080 17742ndash221 0078 17341ndash223 0077 16950ndash224 0076 16497ndash226 0074 16076ndash223 0076 15573

ndash219 0081 ndash905ndash218 0082 ndash1250ndash218 0082 ndash1512ndash218 0082 ndash1829ndash217 0082 ndash2141ndash217 0083 ndash2470ndash216 0083 ndash2788ndash216 0084 ndash3078ndash215 0084 ndash3426ndash215 0084 ndash3720ndash214 0085 ndash4050ndash213 0086 ndash4393ndash212 0087 ndash4719ndash212 0087 ndash5076ndash211 0088 ndash5432ndash211 0088 ndash5799ndash210 0089 ndash6135ndash209 0090 ndash6511ndash208 0091 ndash6897ndash208 0091 ndash7285ndash207 0092 ndash7697ndash207 0092 ndash8101ndash207 0092 ndash8508ndash207 0092 ndash8879ndash207 0092 ndash9303ndash207 0093 ndash9706ndash207 0092 ndash10096ndash207 0093 ndash10531ndash206 0093 ndash10959ndash207 0092 ndash11370ndash207 0092 ndash11793ndash207 0092 ndash12226ndash208 0092 ndash12657ndash208 0091 ndash13094ndash209 0090 ndash13519ndash210 0089 ndash13943ndash211 0089 ndash14373ndash212 0087 ndash14803ndash212 0087 ndash15223ndash213 0086 ndash15671ndash213 0086 ndash16057ndash215 0085 ndash16518ndash216 0083 ndash16940ndash217 0082 ndash17393ndash219 0080 ndash17810ndash220 0079 17847ndash221 0078 17379ndash222 0077 16952ndash225 0075 16550ndash225 0075 16200ndash228 0073 15661

ndash299 0032 ndash4515ndash287 0037 ndash5532ndash282 0039 ndash6651ndash275 0042 ndash7707ndash264 0048 ndash8188ndash253 0055 ndash8804ndash244 0060 ndash9456ndash238 0064 ndash10107ndash233 0068 ndash10727ndash227 0074 ndash11336ndash221 0078 ndash11864ndash216 0084 ndash12204ndash211 0088 ndash12626ndash207 0092 ndash13095ndash204 0096 ndash13522ndash200 0100 ndash13980ndash197 0103 ndash14395ndash194 0107 ndash14709ndash191 0111 ndash15053ndash189 0114 ndash15403ndash187 0117 ndash15798ndash185 0119 ndash16201ndash181 0124 ndash16607ndash178 0128 ndash17087ndash177 0131 ndash17368ndash174 0136 ndash17587ndash173 0136 ndash17960ndash175 0134 17827ndash173 0137 17591ndash172 0138 17075ndash173 0136 16825ndash168 0144 16691ndash165 0150 16232ndash167 0146 16022ndash165 0149 15908ndash165 0150 15440ndash168 0144 15083ndash166 0148 14855ndash163 0154 14380ndash164 0152 14105ndash163 0153 14109ndash162 0155 13916ndash164 0151 13662ndash165 0150 13479ndash165 0149 13057ndash164 0152 12538ndash163 0153 12227ndash162 0154 11955ndash163 0153 11791ndash165 0149 11727ndash166 0148 11614

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

08 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 6 Sndashparameters (TA = 25 degC)1

27 dB Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash297 0033 ndash5414ndash282 0039 ndash6510ndash269 0045 ndash7349ndash257 0052 ndash8080ndash245 0060 ndash8675ndash234 0068 ndash9282ndash225 0075 ndash9822ndash217 0082 ndash10335ndash209 0090 ndash10848ndash203 0096 ndash11261ndash196 0104 ndash11677ndash191 0111 ndash12101ndash186 0118 ndash12488ndash181 0125 ndash12874ndash176 0131 ndash13238ndash172 0138 ndash13593ndash167 0146 ndash13961ndash163 0153 ndash14320ndash160 0159 ndash14688ndash156 0165 ndash15033ndash153 0171 ndash15399ndash151 0176 ndash15748ndash148 0181 ndash16082ndash145 0188 ndash16397ndash142 0194 ndash16757ndash140 0200 ndash17077ndash137 0206 ndash17398ndash135 0210 ndash17756ndash134 0215 17935ndash131 0222 17601ndash129 0226 17185ndash128 0229 16893ndash126 0235 16597ndash125 0238 16230ndash124 0240 15932ndash122 0244 15623ndash122 0246 15235ndash121 0248 14938ndash119 0254 14643ndash118 0257 14275ndash117 0259 13993ndash116 0264 13710ndash115 0267 13338ndash115 0267 13008ndash114 0271 12694ndash113 0273 12273ndash113 0273 11945ndash112 0276 11626ndash113 0274 11267ndash114 0270 11068ndash112 0277 10768

ndash266 0047 ndash1026ndash266 0047 ndash1458ndash266 0047 ndash1747ndash267 0046 ndash2159ndash267 0046 ndash2512ndash268 0046 ndash2865ndash269 0045 ndash3225ndash269 0045 ndash3542ndash270 0045 ndash3891ndash271 0044 ndash4222ndash272 0044 ndash4533ndash272 0044 ndash4863ndash273 0043 ndash5198ndash273 0043 ndash5533ndash273 0043 ndash5861ndash275 0042 ndash6219ndash275 0042 ndash6501ndash276 0042 ndash6868ndash276 0042 ndash7177ndash276 0042 ndash7538ndash277 0041 ndash7866ndash278 0041 ndash8235ndash279 0040 ndash8543ndash280 0040 ndash8891ndash281 0039 ndash9210ndash281 0039 ndash9536ndash282 0039 ndash9881ndash284 0038 ndash10201ndash284 0038 ndash10600ndash285 0038 ndash10962ndash286 0037 ndash11305ndash287 0037 ndash11704ndash288 0036 ndash12046ndash289 0036 ndash12337ndash290 0036 ndash12693ndash292 0035 ndash13042ndash294 0034 ndash13467ndash296 0033 ndash13699ndash297 0033 ndash14040ndash297 0033 ndash14373ndash299 0032 ndash14771ndash300 0032 ndash15137ndash301 0031 ndash15538ndash304 0030 ndash15918ndash309 0028 ndash16311ndash311 0028 ndash16324ndash311 0028 ndash16740ndash313 0027 ndash17026ndash314 0027 ndash17212ndash313 0027 ndash17530ndash318 0026 ndash17915

ndash266 0047 ndash1081ndash266 0047 ndash1505ndash266 0047 ndash1790ndash267 0046 ndash2184ndash267 0046 ndash2545ndash268 0046 ndash2904ndash268 0046 ndash3259ndash269 0045 ndash3577ndash270 0045 ndash3944ndash271 0044 ndash4242ndash271 0044 ndash4591ndash272 0044 ndash4904ndash272 0044 ndash5234ndash273 0043 ndash5564ndash273 0043 ndash5879ndash274 0042 ndash6195ndash275 0042 ndash6538ndash276 0042 ndash6837ndash276 0042 ndash7187ndash276 0042 ndash7521ndash277 0041 ndash7891ndash278 0041 ndash8239ndash279 0040 ndash8583ndash280 0040 ndash8908ndash281 0039 ndash9204ndash282 0039 ndash9540ndash282 0039 ndash9889ndash283 0038 ndash10245ndash284 0038 ndash10613ndash285 0038 ndash10891ndash285 0037 ndash11314ndash288 0036 ndash11673ndash288 0036 ndash11986ndash289 0036 ndash12288ndash291 0035 ndash12724ndash294 0034 ndash13048ndash293 0034 ndash13411ndash296 0033 ndash13704ndash297 0033 ndash14066ndash299 0032 ndash14344ndash300 0032 ndash14756ndash301 0031 ndash15105ndash302 0031 ndash15532ndash305 0030 ndash15850ndash308 0029 ndash16247ndash310 0028 ndash16298ndash312 0027 ndash16744ndash314 0027 ndash16927ndash316 0026 ndash17277ndash315 0026 ndash17471ndash316 0026 17962

ndash284 0038 ndash4502ndash272 0044 ndash5534ndash264 0048 ndash6494ndash255 0053 ndash7376ndash245 0060 ndash7961ndash234 0067 ndash8647ndash226 0074 ndash9285ndash219 0080 ndash9879ndash212 0087 ndash10413ndash206 0094 ndash10943ndash200 0100 ndash11452ndash194 0107 ndash11830ndash189 0114 ndash12259ndash184 0120 ndash12693ndash180 0126 ndash13085ndash175 0133 ndash13511ndash171 0139 ndash13903ndash167 0146 ndash14260ndash164 0152 ndash14610ndash161 0157 ndash14965ndash157 0163 ndash15354ndash155 0168 ndash15752ndash151 0176 ndash16162ndash148 0183 ndash16621ndash145 0188 ndash16935ndash142 0196 ndash17193ndash140 0200 ndash17566ndash140 0200 ndash17831ndash137 0206 17889ndash135 0210 17414ndash135 0211 17103ndash131 0222 16864ndash127 0230 16412ndash128 0230 16135ndash125 0236 15931ndash124 0240 15476ndash125 0236 15089ndash123 0242 14807ndash121 0250 14338ndash121 0250 14017ndash119 0253 13870ndash118 0258 13576ndash119 0255 13262ndash119 0254 12984ndash118 0258 12560ndash117 0261 12101ndash115 0265 11755ndash115 0267 11468ndash115 0268 11178ndash115 0265 10939ndash115 0265 10735

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

09 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 7 Sndashparameters (TA = 25 degC)1

Maximum Attenuation Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash355 0017 ndash4503ndash337 0021 ndash5340ndash324 0024 ndash6024ndash308 0029 ndash6634ndash293 0034 ndash7212ndash281 0039 ndash7806ndash270 0045 ndash8360ndash260 0050 ndash8899ndash252 0055 ndash9388ndash245 0060 ndash9783ndash237 0065 ndash10206ndash230 0070 ndash10626ndash224 0076 ndash10981ndash218 0081 ndash11365ndash213 0086 ndash11701ndash207 0092 ndash12051ndash202 0098 ndash12414ndash197 0103 ndash12767ndash193 0109 ndash13134ndash189 0114 ndash13448ndash185 0119 ndash13803ndash182 0123 ndash14137ndash179 0128 ndash14454ndash174 0135 ndash14755ndash171 0140 ndash15101ndash167 0146 ndash15396ndash164 0152 ndash15702ndash161 0156 ndash16051ndash158 0161 ndash16333ndash155 0169 ndash16678ndash152 0173 ndash17090ndash150 0178 ndash17364ndash147 0184 ndash17680ndash145 0189 17954ndash143 0192 17703ndash141 0198 17399ndash139 0201 17013ndash138 0205 16730ndash134 0213 16418ndash132 0218 16036ndash131 0222 15766ndash128 0229 15470ndash126 0235 15086ndash125 0238 14774ndash123 0243 14423ndash121 0248 14001ndash120 0250 13700ndash118 0256 13344ndash118 0258 12988ndash118 0258 12834ndash114 0269 12433

ndash342 0019 ndash2062ndash344 0019 ndash2784ndash349 0018 ndash3295ndash354 0017 ndash3949ndash358 0016 ndash4389ndash364 0015 ndash4972ndash369 0014 ndash5372ndash375 0013 ndash5649ndash381 0012 ndash6032ndash387 0012 ndash6308ndash394 0011 ndash6517ndash398 0010 ndash6723ndash404 0010 ndash6929ndash408 0009 ndash7122ndash413 0009 ndash7053ndash416 0008 ndash7391ndash422 0008 ndash7429ndash424 0008 ndash7430ndash426 0007 ndash7464ndash431 0007 ndash7858ndash433 0007 ndash8026ndash440 0006 ndash8042ndash440 0006 ndash8294ndash446 0006 ndash8073ndash450 0006 ndash8204ndash452 0006 ndash8597ndash454 0005 ndash8618ndash455 0005 ndash8622ndash462 0005 ndash8648ndash460 0005 ndash9200ndash466 0005 ndash8668ndash471 0004 ndash8787ndash475 0004 ndash9048ndash480 0004 ndash9190ndash484 0004 ndash9449ndash491 0004 ndash9074ndash502 0003 ndash9243ndash508 0003 ndash9049ndash508 0003 ndash9439ndash508 0003 ndash7660ndash502 0003 ndash8467ndash517 0003 ndash8837ndash511 0003 ndash7462ndash520 0002 ndash8205ndash554 0002 ndash5919ndash528 0002 ndash4646ndash532 0002 ndash4125ndash505 0003 ndash4224ndash471 0004 ndash4615ndash471 0004 ndash4661ndash454 0005 ndash5316

ndash342 0019 ndash2126ndash344 0019 ndash2825ndash348 0018 ndash3274ndash353 0017 ndash3939ndash358 0016 ndash4408ndash364 0015 ndash4921ndash369 0014 ndash5333ndash376 0013 ndash5674ndash382 0012 ndash6052ndash387 0012 ndash6316ndash393 0011 ndash6601ndash397 0010 ndash6740ndash403 0010 ndash6899ndash409 0009 ndash7216ndash413 0009 ndash7316ndash419 0008 ndash7426ndash423 0008 ndash7361ndash426 0007 ndash7689ndash429 0007 ndash7492ndash430 0007 ndash7912ndash433 0007 ndash8003ndash440 0006 ndash7983ndash444 0006 ndash8330ndash449 0006 ndash8030ndash450 0006 ndash8157ndash457 0005 ndash8393ndash455 0005 ndash8365ndash457 0005 ndash8914ndash457 0005 ndash8609ndash464 0005 ndash8668ndash466 0005 ndash9157ndash473 0004 ndash8978ndash480 0004 ndash9521ndash477 0004 ndash9141ndash480 0004 ndash9412ndash491 0004 ndash9313ndash494 0003 ndash9281ndash505 0003 ndash8723ndash496 0003 ndash9659ndash520 0002 ndash8819ndash508 0003 ndash8023ndash502 0003 ndash8600ndash524 0002 ndash9170ndash528 0002 ndash8103ndash554 0002 ndash6095ndash514 0003 ndash5216ndash491 0004 ndash5431ndash482 0004 ndash5162ndash475 0004 ndash3932ndash464 0005 ndash6722ndash466 0005 ndash6333

ndash345 0019 ndash4099ndash330 0022 ndash4785ndash320 0025 ndash5530ndash307 0029 ndash6265ndash294 0034 ndash6757ndash282 0039 ndash7480ndash272 0044 ndash8099ndash264 0048 ndash8667ndash256 0053 ndash9173ndash247 0058 ndash9712ndash240 0063 ndash10218ndash233 0068 ndash10574ndash227 0073 ndash10959ndash221 0078 ndash11378ndash216 0083 ndash11753ndash210 0089 ndash12152ndash205 0094 ndash12533ndash201 0099 ndash12870ndash196 0105 ndash13199ndash192 0110 ndash13513ndash188 0115 ndash13874ndash184 0120 ndash14254ndash179 0127 ndash14671ndash175 0133 ndash15172ndash172 0138 ndash15475ndash167 0146 ndash15722ndash165 0150 ndash16069ndash164 0152 ndash16256ndash160 0159 ndash16520ndash158 0163 ndash17012ndash157 0165 ndash17267ndash150 0178 ndash17538ndash146 0186 17992ndash145 0188 17766ndash141 0196 17561ndash140 0200 17091ndash141 0198 16758ndash137 0206 16458ndash134 0214 15959ndash132 0218 15661ndash129 0226 15512ndash126 0233 15224ndash126 0234 14917ndash125 0236 14652ndash123 0242 14237ndash122 0246 13736ndash120 0253 13376ndash117 0260 13040ndash116 0263 12767ndash115 0265 12532ndash114 0269 12297

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

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010 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

07 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 5 Sndashparameters (TA = 25 degC)1

22 dB setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash342 0020 ndash9085ndash316 0026 ndash9443ndash299 0032 ndash9890ndash283 0038 ndash10335ndash269 0045 ndash10622ndash257 0052 ndash11032ndash246 0059 ndash11456ndash238 0064 ndash11894ndash230 0071 ndash12280ndash224 0076 ndash12633ndash217 0082 ndash12977ndash212 0087 ndash13358ndash207 0092 ndash13711ndash203 0097 ndash14034ndash199 0101 ndash14361ndash195 0106 ndash14668ndash191 0111 ndash15015ndash187 0116 ndash15326ndash184 0120 ndash15665ndash181 0124 ndash15979ndash179 0127 ndash16324ndash177 0130 ndash16653ndash175 0133 ndash16958ndash173 0136 ndash17216ndash171 0140 ndash17555ndash169 0142 ndash17831ndash167 0146 17900ndash166 0148 17556ndash165 0149 17293ndash163 0154 17022ndash161 0156 16631ndash161 0156 16375ndash159 0160 16145ndash159 0161 15796ndash159 0161 15575ndash158 0162 15285ndash158 0162 14938ndash158 0162 14703ndash156 0165 14467ndash155 0167 14131ndash156 0166 13885ndash154 0169 13695ndash154 0171 13352ndash155 0169 13057ndash154 0171 12793ndash153 0171 12385ndash154 0169 12152ndash153 0171 11860ndash155 0167 11522ndash157 0164 11456ndash155 0168 11185

ndash219 0080 ndash860ndash218 0081 ndash1211ndash218 0082 ndash1463ndash218 0082 ndash1798ndash217 0082 ndash2101ndash217 0082 ndash2421ndash217 0082 ndash2726ndash216 0084 ndash3039ndash215 0084 ndash3390ndash215 0084 ndash3691ndash214 0085 ndash4023ndash213 0086 ndash4368ndash213 0086 ndash4682ndash212 0087 ndash5056ndash211 0088 ndash5404ndash211 0088 ndash5756ndash210 0089 ndash6129ndash209 0090 ndash6493ndash208 0091 ndash6882ndash208 0091 ndash7266ndash207 0092 ndash7685ndash207 0092 ndash8099ndash207 0092 ndash8474ndash207 0092 ndash8906ndash207 0093 ndash9299ndash207 0093 ndash9716ndash206 0093 ndash10102ndash206 0093 ndash10532ndash206 0093 ndash10936ndash207 0093 ndash11398ndash207 0092 ndash11804ndash207 0092 ndash12228ndash208 0091 ndash12691ndash208 0091 ndash13111ndash209 0090 ndash13514ndash210 0090 ndash13964ndash210 0089 ndash14372ndash211 0088 ndash14816ndash212 0087 ndash15246ndash212 0087 ndash15706ndash214 0085 ndash16115ndash215 0084 ndash16543ndash216 0083 ndash16961ndash217 0082 ndash17434ndash217 0082 ndash17865ndash219 0080 17742ndash221 0078 17341ndash223 0077 16950ndash224 0076 16497ndash226 0074 16076ndash223 0076 15573

ndash219 0081 ndash905ndash218 0082 ndash1250ndash218 0082 ndash1512ndash218 0082 ndash1829ndash217 0082 ndash2141ndash217 0083 ndash2470ndash216 0083 ndash2788ndash216 0084 ndash3078ndash215 0084 ndash3426ndash215 0084 ndash3720ndash214 0085 ndash4050ndash213 0086 ndash4393ndash212 0087 ndash4719ndash212 0087 ndash5076ndash211 0088 ndash5432ndash211 0088 ndash5799ndash210 0089 ndash6135ndash209 0090 ndash6511ndash208 0091 ndash6897ndash208 0091 ndash7285ndash207 0092 ndash7697ndash207 0092 ndash8101ndash207 0092 ndash8508ndash207 0092 ndash8879ndash207 0092 ndash9303ndash207 0093 ndash9706ndash207 0092 ndash10096ndash207 0093 ndash10531ndash206 0093 ndash10959ndash207 0092 ndash11370ndash207 0092 ndash11793ndash207 0092 ndash12226ndash208 0092 ndash12657ndash208 0091 ndash13094ndash209 0090 ndash13519ndash210 0089 ndash13943ndash211 0089 ndash14373ndash212 0087 ndash14803ndash212 0087 ndash15223ndash213 0086 ndash15671ndash213 0086 ndash16057ndash215 0085 ndash16518ndash216 0083 ndash16940ndash217 0082 ndash17393ndash219 0080 ndash17810ndash220 0079 17847ndash221 0078 17379ndash222 0077 16952ndash225 0075 16550ndash225 0075 16200ndash228 0073 15661

ndash299 0032 ndash4515ndash287 0037 ndash5532ndash282 0039 ndash6651ndash275 0042 ndash7707ndash264 0048 ndash8188ndash253 0055 ndash8804ndash244 0060 ndash9456ndash238 0064 ndash10107ndash233 0068 ndash10727ndash227 0074 ndash11336ndash221 0078 ndash11864ndash216 0084 ndash12204ndash211 0088 ndash12626ndash207 0092 ndash13095ndash204 0096 ndash13522ndash200 0100 ndash13980ndash197 0103 ndash14395ndash194 0107 ndash14709ndash191 0111 ndash15053ndash189 0114 ndash15403ndash187 0117 ndash15798ndash185 0119 ndash16201ndash181 0124 ndash16607ndash178 0128 ndash17087ndash177 0131 ndash17368ndash174 0136 ndash17587ndash173 0136 ndash17960ndash175 0134 17827ndash173 0137 17591ndash172 0138 17075ndash173 0136 16825ndash168 0144 16691ndash165 0150 16232ndash167 0146 16022ndash165 0149 15908ndash165 0150 15440ndash168 0144 15083ndash166 0148 14855ndash163 0154 14380ndash164 0152 14105ndash163 0153 14109ndash162 0155 13916ndash164 0151 13662ndash165 0150 13479ndash165 0149 13057ndash164 0152 12538ndash163 0153 12227ndash162 0154 11955ndash163 0153 11791ndash165 0149 11727ndash166 0148 11614

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

08 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 6 Sndashparameters (TA = 25 degC)1

27 dB Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash297 0033 ndash5414ndash282 0039 ndash6510ndash269 0045 ndash7349ndash257 0052 ndash8080ndash245 0060 ndash8675ndash234 0068 ndash9282ndash225 0075 ndash9822ndash217 0082 ndash10335ndash209 0090 ndash10848ndash203 0096 ndash11261ndash196 0104 ndash11677ndash191 0111 ndash12101ndash186 0118 ndash12488ndash181 0125 ndash12874ndash176 0131 ndash13238ndash172 0138 ndash13593ndash167 0146 ndash13961ndash163 0153 ndash14320ndash160 0159 ndash14688ndash156 0165 ndash15033ndash153 0171 ndash15399ndash151 0176 ndash15748ndash148 0181 ndash16082ndash145 0188 ndash16397ndash142 0194 ndash16757ndash140 0200 ndash17077ndash137 0206 ndash17398ndash135 0210 ndash17756ndash134 0215 17935ndash131 0222 17601ndash129 0226 17185ndash128 0229 16893ndash126 0235 16597ndash125 0238 16230ndash124 0240 15932ndash122 0244 15623ndash122 0246 15235ndash121 0248 14938ndash119 0254 14643ndash118 0257 14275ndash117 0259 13993ndash116 0264 13710ndash115 0267 13338ndash115 0267 13008ndash114 0271 12694ndash113 0273 12273ndash113 0273 11945ndash112 0276 11626ndash113 0274 11267ndash114 0270 11068ndash112 0277 10768

ndash266 0047 ndash1026ndash266 0047 ndash1458ndash266 0047 ndash1747ndash267 0046 ndash2159ndash267 0046 ndash2512ndash268 0046 ndash2865ndash269 0045 ndash3225ndash269 0045 ndash3542ndash270 0045 ndash3891ndash271 0044 ndash4222ndash272 0044 ndash4533ndash272 0044 ndash4863ndash273 0043 ndash5198ndash273 0043 ndash5533ndash273 0043 ndash5861ndash275 0042 ndash6219ndash275 0042 ndash6501ndash276 0042 ndash6868ndash276 0042 ndash7177ndash276 0042 ndash7538ndash277 0041 ndash7866ndash278 0041 ndash8235ndash279 0040 ndash8543ndash280 0040 ndash8891ndash281 0039 ndash9210ndash281 0039 ndash9536ndash282 0039 ndash9881ndash284 0038 ndash10201ndash284 0038 ndash10600ndash285 0038 ndash10962ndash286 0037 ndash11305ndash287 0037 ndash11704ndash288 0036 ndash12046ndash289 0036 ndash12337ndash290 0036 ndash12693ndash292 0035 ndash13042ndash294 0034 ndash13467ndash296 0033 ndash13699ndash297 0033 ndash14040ndash297 0033 ndash14373ndash299 0032 ndash14771ndash300 0032 ndash15137ndash301 0031 ndash15538ndash304 0030 ndash15918ndash309 0028 ndash16311ndash311 0028 ndash16324ndash311 0028 ndash16740ndash313 0027 ndash17026ndash314 0027 ndash17212ndash313 0027 ndash17530ndash318 0026 ndash17915

ndash266 0047 ndash1081ndash266 0047 ndash1505ndash266 0047 ndash1790ndash267 0046 ndash2184ndash267 0046 ndash2545ndash268 0046 ndash2904ndash268 0046 ndash3259ndash269 0045 ndash3577ndash270 0045 ndash3944ndash271 0044 ndash4242ndash271 0044 ndash4591ndash272 0044 ndash4904ndash272 0044 ndash5234ndash273 0043 ndash5564ndash273 0043 ndash5879ndash274 0042 ndash6195ndash275 0042 ndash6538ndash276 0042 ndash6837ndash276 0042 ndash7187ndash276 0042 ndash7521ndash277 0041 ndash7891ndash278 0041 ndash8239ndash279 0040 ndash8583ndash280 0040 ndash8908ndash281 0039 ndash9204ndash282 0039 ndash9540ndash282 0039 ndash9889ndash283 0038 ndash10245ndash284 0038 ndash10613ndash285 0038 ndash10891ndash285 0037 ndash11314ndash288 0036 ndash11673ndash288 0036 ndash11986ndash289 0036 ndash12288ndash291 0035 ndash12724ndash294 0034 ndash13048ndash293 0034 ndash13411ndash296 0033 ndash13704ndash297 0033 ndash14066ndash299 0032 ndash14344ndash300 0032 ndash14756ndash301 0031 ndash15105ndash302 0031 ndash15532ndash305 0030 ndash15850ndash308 0029 ndash16247ndash310 0028 ndash16298ndash312 0027 ndash16744ndash314 0027 ndash16927ndash316 0026 ndash17277ndash315 0026 ndash17471ndash316 0026 17962

ndash284 0038 ndash4502ndash272 0044 ndash5534ndash264 0048 ndash6494ndash255 0053 ndash7376ndash245 0060 ndash7961ndash234 0067 ndash8647ndash226 0074 ndash9285ndash219 0080 ndash9879ndash212 0087 ndash10413ndash206 0094 ndash10943ndash200 0100 ndash11452ndash194 0107 ndash11830ndash189 0114 ndash12259ndash184 0120 ndash12693ndash180 0126 ndash13085ndash175 0133 ndash13511ndash171 0139 ndash13903ndash167 0146 ndash14260ndash164 0152 ndash14610ndash161 0157 ndash14965ndash157 0163 ndash15354ndash155 0168 ndash15752ndash151 0176 ndash16162ndash148 0183 ndash16621ndash145 0188 ndash16935ndash142 0196 ndash17193ndash140 0200 ndash17566ndash140 0200 ndash17831ndash137 0206 17889ndash135 0210 17414ndash135 0211 17103ndash131 0222 16864ndash127 0230 16412ndash128 0230 16135ndash125 0236 15931ndash124 0240 15476ndash125 0236 15089ndash123 0242 14807ndash121 0250 14338ndash121 0250 14017ndash119 0253 13870ndash118 0258 13576ndash119 0255 13262ndash119 0254 12984ndash118 0258 12560ndash117 0261 12101ndash115 0265 11755ndash115 0267 11468ndash115 0268 11178ndash115 0265 10939ndash115 0265 10735

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

09 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 7 Sndashparameters (TA = 25 degC)1

Maximum Attenuation Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash355 0017 ndash4503ndash337 0021 ndash5340ndash324 0024 ndash6024ndash308 0029 ndash6634ndash293 0034 ndash7212ndash281 0039 ndash7806ndash270 0045 ndash8360ndash260 0050 ndash8899ndash252 0055 ndash9388ndash245 0060 ndash9783ndash237 0065 ndash10206ndash230 0070 ndash10626ndash224 0076 ndash10981ndash218 0081 ndash11365ndash213 0086 ndash11701ndash207 0092 ndash12051ndash202 0098 ndash12414ndash197 0103 ndash12767ndash193 0109 ndash13134ndash189 0114 ndash13448ndash185 0119 ndash13803ndash182 0123 ndash14137ndash179 0128 ndash14454ndash174 0135 ndash14755ndash171 0140 ndash15101ndash167 0146 ndash15396ndash164 0152 ndash15702ndash161 0156 ndash16051ndash158 0161 ndash16333ndash155 0169 ndash16678ndash152 0173 ndash17090ndash150 0178 ndash17364ndash147 0184 ndash17680ndash145 0189 17954ndash143 0192 17703ndash141 0198 17399ndash139 0201 17013ndash138 0205 16730ndash134 0213 16418ndash132 0218 16036ndash131 0222 15766ndash128 0229 15470ndash126 0235 15086ndash125 0238 14774ndash123 0243 14423ndash121 0248 14001ndash120 0250 13700ndash118 0256 13344ndash118 0258 12988ndash118 0258 12834ndash114 0269 12433

ndash342 0019 ndash2062ndash344 0019 ndash2784ndash349 0018 ndash3295ndash354 0017 ndash3949ndash358 0016 ndash4389ndash364 0015 ndash4972ndash369 0014 ndash5372ndash375 0013 ndash5649ndash381 0012 ndash6032ndash387 0012 ndash6308ndash394 0011 ndash6517ndash398 0010 ndash6723ndash404 0010 ndash6929ndash408 0009 ndash7122ndash413 0009 ndash7053ndash416 0008 ndash7391ndash422 0008 ndash7429ndash424 0008 ndash7430ndash426 0007 ndash7464ndash431 0007 ndash7858ndash433 0007 ndash8026ndash440 0006 ndash8042ndash440 0006 ndash8294ndash446 0006 ndash8073ndash450 0006 ndash8204ndash452 0006 ndash8597ndash454 0005 ndash8618ndash455 0005 ndash8622ndash462 0005 ndash8648ndash460 0005 ndash9200ndash466 0005 ndash8668ndash471 0004 ndash8787ndash475 0004 ndash9048ndash480 0004 ndash9190ndash484 0004 ndash9449ndash491 0004 ndash9074ndash502 0003 ndash9243ndash508 0003 ndash9049ndash508 0003 ndash9439ndash508 0003 ndash7660ndash502 0003 ndash8467ndash517 0003 ndash8837ndash511 0003 ndash7462ndash520 0002 ndash8205ndash554 0002 ndash5919ndash528 0002 ndash4646ndash532 0002 ndash4125ndash505 0003 ndash4224ndash471 0004 ndash4615ndash471 0004 ndash4661ndash454 0005 ndash5316

ndash342 0019 ndash2126ndash344 0019 ndash2825ndash348 0018 ndash3274ndash353 0017 ndash3939ndash358 0016 ndash4408ndash364 0015 ndash4921ndash369 0014 ndash5333ndash376 0013 ndash5674ndash382 0012 ndash6052ndash387 0012 ndash6316ndash393 0011 ndash6601ndash397 0010 ndash6740ndash403 0010 ndash6899ndash409 0009 ndash7216ndash413 0009 ndash7316ndash419 0008 ndash7426ndash423 0008 ndash7361ndash426 0007 ndash7689ndash429 0007 ndash7492ndash430 0007 ndash7912ndash433 0007 ndash8003ndash440 0006 ndash7983ndash444 0006 ndash8330ndash449 0006 ndash8030ndash450 0006 ndash8157ndash457 0005 ndash8393ndash455 0005 ndash8365ndash457 0005 ndash8914ndash457 0005 ndash8609ndash464 0005 ndash8668ndash466 0005 ndash9157ndash473 0004 ndash8978ndash480 0004 ndash9521ndash477 0004 ndash9141ndash480 0004 ndash9412ndash491 0004 ndash9313ndash494 0003 ndash9281ndash505 0003 ndash8723ndash496 0003 ndash9659ndash520 0002 ndash8819ndash508 0003 ndash8023ndash502 0003 ndash8600ndash524 0002 ndash9170ndash528 0002 ndash8103ndash554 0002 ndash6095ndash514 0003 ndash5216ndash491 0004 ndash5431ndash482 0004 ndash5162ndash475 0004 ndash3932ndash464 0005 ndash6722ndash466 0005 ndash6333

ndash345 0019 ndash4099ndash330 0022 ndash4785ndash320 0025 ndash5530ndash307 0029 ndash6265ndash294 0034 ndash6757ndash282 0039 ndash7480ndash272 0044 ndash8099ndash264 0048 ndash8667ndash256 0053 ndash9173ndash247 0058 ndash9712ndash240 0063 ndash10218ndash233 0068 ndash10574ndash227 0073 ndash10959ndash221 0078 ndash11378ndash216 0083 ndash11753ndash210 0089 ndash12152ndash205 0094 ndash12533ndash201 0099 ndash12870ndash196 0105 ndash13199ndash192 0110 ndash13513ndash188 0115 ndash13874ndash184 0120 ndash14254ndash179 0127 ndash14671ndash175 0133 ndash15172ndash172 0138 ndash15475ndash167 0146 ndash15722ndash165 0150 ndash16069ndash164 0152 ndash16256ndash160 0159 ndash16520ndash158 0163 ndash17012ndash157 0165 ndash17267ndash150 0178 ndash17538ndash146 0186 17992ndash145 0188 17766ndash141 0196 17561ndash140 0200 17091ndash141 0198 16758ndash137 0206 16458ndash134 0214 15959ndash132 0218 15661ndash129 0226 15512ndash126 0233 15224ndash126 0234 14917ndash125 0236 14652ndash123 0242 14237ndash122 0246 13736ndash120 0253 13376ndash117 0260 13040ndash116 0263 12767ndash115 0265 12532ndash114 0269 12297

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

myKeysight

wwwkeysightcomfindmykeysightA personalized view into the information most relevant to you

wwwaxiestandardorgAdvancedTCAreg Extensions for Instrumentation and Test (AXIe) is an open standard that extends the AdvancedTCA for general purpose and semiconductor test Keysight is a founding member of the AXIe consortium ATCAreg AdvancedTCAreg and the ATCA logo are registered US trademarks of the PCI Industrial Computer Manufacturers Group

wwwlxistandardorg

LAN eXtensions for Instruments puts the power of Ethernet and the Web inside your test systems Keysight is a founding member of the LXI consortium

wwwpxisaorg

PCI eXtensions for Instrumentation (PXI) modular instrumentation delivers a rugged PC-based high-performance measurement and automation system

Three-Year Warranty

wwwkeysightcomfindThreeYearWarrantyKeysightrsquos commitment to superior product quality and lower total cost of ownership The only test and measurement company with three-year warranty standard on all instruments worldwide

Keysight Assurance PlanswwwkeysightcomfindAssurancePlansUp to five years of protection and no budgetary surprises to ensure your instruments are operating to specification so you can rely on accurate measurements

wwwkeysightcomqualityKeysight Technologies IncDEKRA Certified ISO 90012008 Quality Management System

Keysight Channel PartnerswwwkeysightcomfindchannelpartnersGet the best of both worlds Keysightrsquos measurement expertise and product breadth combined with channel partner convenience

wwwkeysightcomfindmmic

For more information on Keysight Technologiesrsquo products applications or services please contact your local Keysight office The complete list is available atwwwkeysightcomfindcontactus

Americas Canada (877) 894 4414Brazil 55 11 3351 7010Mexico 001 800 254 2440United States (800) 829 4444

Asia PacificAustralia 1 800 629 485China 800 810 0189Hong Kong 800 938 693India 1 800 112 929Japan 0120 (421) 345Korea 080 769 0800Malaysia 1 800 888 848Singapore 1 800 375 8100Taiwan 0800 047 866Other AP Countries (65) 6375 8100

Europe amp Middle EastAustria 0800 001122Belgium 0800 58580Finland 0800 523252France 0805 980333Germany 0800 6270999Ireland 1800 832700Israel 1 809 343051Italy 800 599100Luxembourg +32 800 58580Netherlands 0800 0233200Russia 8800 5009286Spain 0800 000154Sweden 0200 882255Switzerland 0800 805353

Opt 1 (DE)Opt 2 (FR)Opt 3 (IT)

United Kingdom 0800 0260637

For other unlisted countrieswwwkeysightcomfindcontactus(BP-07-01-14)

This information is subject to change without noticecopy Keysight Technologies 2009 - 2014Published in USA July 31 20145991-3556ENwwwkeysightcom

010 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

08 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 6 Sndashparameters (TA = 25 degC)1

27 dB Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash297 0033 ndash5414ndash282 0039 ndash6510ndash269 0045 ndash7349ndash257 0052 ndash8080ndash245 0060 ndash8675ndash234 0068 ndash9282ndash225 0075 ndash9822ndash217 0082 ndash10335ndash209 0090 ndash10848ndash203 0096 ndash11261ndash196 0104 ndash11677ndash191 0111 ndash12101ndash186 0118 ndash12488ndash181 0125 ndash12874ndash176 0131 ndash13238ndash172 0138 ndash13593ndash167 0146 ndash13961ndash163 0153 ndash14320ndash160 0159 ndash14688ndash156 0165 ndash15033ndash153 0171 ndash15399ndash151 0176 ndash15748ndash148 0181 ndash16082ndash145 0188 ndash16397ndash142 0194 ndash16757ndash140 0200 ndash17077ndash137 0206 ndash17398ndash135 0210 ndash17756ndash134 0215 17935ndash131 0222 17601ndash129 0226 17185ndash128 0229 16893ndash126 0235 16597ndash125 0238 16230ndash124 0240 15932ndash122 0244 15623ndash122 0246 15235ndash121 0248 14938ndash119 0254 14643ndash118 0257 14275ndash117 0259 13993ndash116 0264 13710ndash115 0267 13338ndash115 0267 13008ndash114 0271 12694ndash113 0273 12273ndash113 0273 11945ndash112 0276 11626ndash113 0274 11267ndash114 0270 11068ndash112 0277 10768

ndash266 0047 ndash1026ndash266 0047 ndash1458ndash266 0047 ndash1747ndash267 0046 ndash2159ndash267 0046 ndash2512ndash268 0046 ndash2865ndash269 0045 ndash3225ndash269 0045 ndash3542ndash270 0045 ndash3891ndash271 0044 ndash4222ndash272 0044 ndash4533ndash272 0044 ndash4863ndash273 0043 ndash5198ndash273 0043 ndash5533ndash273 0043 ndash5861ndash275 0042 ndash6219ndash275 0042 ndash6501ndash276 0042 ndash6868ndash276 0042 ndash7177ndash276 0042 ndash7538ndash277 0041 ndash7866ndash278 0041 ndash8235ndash279 0040 ndash8543ndash280 0040 ndash8891ndash281 0039 ndash9210ndash281 0039 ndash9536ndash282 0039 ndash9881ndash284 0038 ndash10201ndash284 0038 ndash10600ndash285 0038 ndash10962ndash286 0037 ndash11305ndash287 0037 ndash11704ndash288 0036 ndash12046ndash289 0036 ndash12337ndash290 0036 ndash12693ndash292 0035 ndash13042ndash294 0034 ndash13467ndash296 0033 ndash13699ndash297 0033 ndash14040ndash297 0033 ndash14373ndash299 0032 ndash14771ndash300 0032 ndash15137ndash301 0031 ndash15538ndash304 0030 ndash15918ndash309 0028 ndash16311ndash311 0028 ndash16324ndash311 0028 ndash16740ndash313 0027 ndash17026ndash314 0027 ndash17212ndash313 0027 ndash17530ndash318 0026 ndash17915

ndash266 0047 ndash1081ndash266 0047 ndash1505ndash266 0047 ndash1790ndash267 0046 ndash2184ndash267 0046 ndash2545ndash268 0046 ndash2904ndash268 0046 ndash3259ndash269 0045 ndash3577ndash270 0045 ndash3944ndash271 0044 ndash4242ndash271 0044 ndash4591ndash272 0044 ndash4904ndash272 0044 ndash5234ndash273 0043 ndash5564ndash273 0043 ndash5879ndash274 0042 ndash6195ndash275 0042 ndash6538ndash276 0042 ndash6837ndash276 0042 ndash7187ndash276 0042 ndash7521ndash277 0041 ndash7891ndash278 0041 ndash8239ndash279 0040 ndash8583ndash280 0040 ndash8908ndash281 0039 ndash9204ndash282 0039 ndash9540ndash282 0039 ndash9889ndash283 0038 ndash10245ndash284 0038 ndash10613ndash285 0038 ndash10891ndash285 0037 ndash11314ndash288 0036 ndash11673ndash288 0036 ndash11986ndash289 0036 ndash12288ndash291 0035 ndash12724ndash294 0034 ndash13048ndash293 0034 ndash13411ndash296 0033 ndash13704ndash297 0033 ndash14066ndash299 0032 ndash14344ndash300 0032 ndash14756ndash301 0031 ndash15105ndash302 0031 ndash15532ndash305 0030 ndash15850ndash308 0029 ndash16247ndash310 0028 ndash16298ndash312 0027 ndash16744ndash314 0027 ndash16927ndash316 0026 ndash17277ndash315 0026 ndash17471ndash316 0026 17962

ndash284 0038 ndash4502ndash272 0044 ndash5534ndash264 0048 ndash6494ndash255 0053 ndash7376ndash245 0060 ndash7961ndash234 0067 ndash8647ndash226 0074 ndash9285ndash219 0080 ndash9879ndash212 0087 ndash10413ndash206 0094 ndash10943ndash200 0100 ndash11452ndash194 0107 ndash11830ndash189 0114 ndash12259ndash184 0120 ndash12693ndash180 0126 ndash13085ndash175 0133 ndash13511ndash171 0139 ndash13903ndash167 0146 ndash14260ndash164 0152 ndash14610ndash161 0157 ndash14965ndash157 0163 ndash15354ndash155 0168 ndash15752ndash151 0176 ndash16162ndash148 0183 ndash16621ndash145 0188 ndash16935ndash142 0196 ndash17193ndash140 0200 ndash17566ndash140 0200 ndash17831ndash137 0206 17889ndash135 0210 17414ndash135 0211 17103ndash131 0222 16864ndash127 0230 16412ndash128 0230 16135ndash125 0236 15931ndash124 0240 15476ndash125 0236 15089ndash123 0242 14807ndash121 0250 14338ndash121 0250 14017ndash119 0253 13870ndash118 0258 13576ndash119 0255 13262ndash119 0254 12984ndash118 0258 12560ndash117 0261 12101ndash115 0265 11755ndash115 0267 11468ndash115 0268 11178ndash115 0265 10939ndash115 0265 10735

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

09 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 7 Sndashparameters (TA = 25 degC)1

Maximum Attenuation Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash355 0017 ndash4503ndash337 0021 ndash5340ndash324 0024 ndash6024ndash308 0029 ndash6634ndash293 0034 ndash7212ndash281 0039 ndash7806ndash270 0045 ndash8360ndash260 0050 ndash8899ndash252 0055 ndash9388ndash245 0060 ndash9783ndash237 0065 ndash10206ndash230 0070 ndash10626ndash224 0076 ndash10981ndash218 0081 ndash11365ndash213 0086 ndash11701ndash207 0092 ndash12051ndash202 0098 ndash12414ndash197 0103 ndash12767ndash193 0109 ndash13134ndash189 0114 ndash13448ndash185 0119 ndash13803ndash182 0123 ndash14137ndash179 0128 ndash14454ndash174 0135 ndash14755ndash171 0140 ndash15101ndash167 0146 ndash15396ndash164 0152 ndash15702ndash161 0156 ndash16051ndash158 0161 ndash16333ndash155 0169 ndash16678ndash152 0173 ndash17090ndash150 0178 ndash17364ndash147 0184 ndash17680ndash145 0189 17954ndash143 0192 17703ndash141 0198 17399ndash139 0201 17013ndash138 0205 16730ndash134 0213 16418ndash132 0218 16036ndash131 0222 15766ndash128 0229 15470ndash126 0235 15086ndash125 0238 14774ndash123 0243 14423ndash121 0248 14001ndash120 0250 13700ndash118 0256 13344ndash118 0258 12988ndash118 0258 12834ndash114 0269 12433

ndash342 0019 ndash2062ndash344 0019 ndash2784ndash349 0018 ndash3295ndash354 0017 ndash3949ndash358 0016 ndash4389ndash364 0015 ndash4972ndash369 0014 ndash5372ndash375 0013 ndash5649ndash381 0012 ndash6032ndash387 0012 ndash6308ndash394 0011 ndash6517ndash398 0010 ndash6723ndash404 0010 ndash6929ndash408 0009 ndash7122ndash413 0009 ndash7053ndash416 0008 ndash7391ndash422 0008 ndash7429ndash424 0008 ndash7430ndash426 0007 ndash7464ndash431 0007 ndash7858ndash433 0007 ndash8026ndash440 0006 ndash8042ndash440 0006 ndash8294ndash446 0006 ndash8073ndash450 0006 ndash8204ndash452 0006 ndash8597ndash454 0005 ndash8618ndash455 0005 ndash8622ndash462 0005 ndash8648ndash460 0005 ndash9200ndash466 0005 ndash8668ndash471 0004 ndash8787ndash475 0004 ndash9048ndash480 0004 ndash9190ndash484 0004 ndash9449ndash491 0004 ndash9074ndash502 0003 ndash9243ndash508 0003 ndash9049ndash508 0003 ndash9439ndash508 0003 ndash7660ndash502 0003 ndash8467ndash517 0003 ndash8837ndash511 0003 ndash7462ndash520 0002 ndash8205ndash554 0002 ndash5919ndash528 0002 ndash4646ndash532 0002 ndash4125ndash505 0003 ndash4224ndash471 0004 ndash4615ndash471 0004 ndash4661ndash454 0005 ndash5316

ndash342 0019 ndash2126ndash344 0019 ndash2825ndash348 0018 ndash3274ndash353 0017 ndash3939ndash358 0016 ndash4408ndash364 0015 ndash4921ndash369 0014 ndash5333ndash376 0013 ndash5674ndash382 0012 ndash6052ndash387 0012 ndash6316ndash393 0011 ndash6601ndash397 0010 ndash6740ndash403 0010 ndash6899ndash409 0009 ndash7216ndash413 0009 ndash7316ndash419 0008 ndash7426ndash423 0008 ndash7361ndash426 0007 ndash7689ndash429 0007 ndash7492ndash430 0007 ndash7912ndash433 0007 ndash8003ndash440 0006 ndash7983ndash444 0006 ndash8330ndash449 0006 ndash8030ndash450 0006 ndash8157ndash457 0005 ndash8393ndash455 0005 ndash8365ndash457 0005 ndash8914ndash457 0005 ndash8609ndash464 0005 ndash8668ndash466 0005 ndash9157ndash473 0004 ndash8978ndash480 0004 ndash9521ndash477 0004 ndash9141ndash480 0004 ndash9412ndash491 0004 ndash9313ndash494 0003 ndash9281ndash505 0003 ndash8723ndash496 0003 ndash9659ndash520 0002 ndash8819ndash508 0003 ndash8023ndash502 0003 ndash8600ndash524 0002 ndash9170ndash528 0002 ndash8103ndash554 0002 ndash6095ndash514 0003 ndash5216ndash491 0004 ndash5431ndash482 0004 ndash5162ndash475 0004 ndash3932ndash464 0005 ndash6722ndash466 0005 ndash6333

ndash345 0019 ndash4099ndash330 0022 ndash4785ndash320 0025 ndash5530ndash307 0029 ndash6265ndash294 0034 ndash6757ndash282 0039 ndash7480ndash272 0044 ndash8099ndash264 0048 ndash8667ndash256 0053 ndash9173ndash247 0058 ndash9712ndash240 0063 ndash10218ndash233 0068 ndash10574ndash227 0073 ndash10959ndash221 0078 ndash11378ndash216 0083 ndash11753ndash210 0089 ndash12152ndash205 0094 ndash12533ndash201 0099 ndash12870ndash196 0105 ndash13199ndash192 0110 ndash13513ndash188 0115 ndash13874ndash184 0120 ndash14254ndash179 0127 ndash14671ndash175 0133 ndash15172ndash172 0138 ndash15475ndash167 0146 ndash15722ndash165 0150 ndash16069ndash164 0152 ndash16256ndash160 0159 ndash16520ndash158 0163 ndash17012ndash157 0165 ndash17267ndash150 0178 ndash17538ndash146 0186 17992ndash145 0188 17766ndash141 0196 17561ndash140 0200 17091ndash141 0198 16758ndash137 0206 16458ndash134 0214 15959ndash132 0218 15661ndash129 0226 15512ndash126 0233 15224ndash126 0234 14917ndash125 0236 14652ndash123 0242 14237ndash122 0246 13736ndash120 0253 13376ndash117 0260 13040ndash116 0263 12767ndash115 0265 12532ndash114 0269 12297

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

myKeysight

wwwkeysightcomfindmykeysightA personalized view into the information most relevant to you

wwwaxiestandardorgAdvancedTCAreg Extensions for Instrumentation and Test (AXIe) is an open standard that extends the AdvancedTCA for general purpose and semiconductor test Keysight is a founding member of the AXIe consortium ATCAreg AdvancedTCAreg and the ATCA logo are registered US trademarks of the PCI Industrial Computer Manufacturers Group

wwwlxistandardorg

LAN eXtensions for Instruments puts the power of Ethernet and the Web inside your test systems Keysight is a founding member of the LXI consortium

wwwpxisaorg

PCI eXtensions for Instrumentation (PXI) modular instrumentation delivers a rugged PC-based high-performance measurement and automation system

Three-Year Warranty

wwwkeysightcomfindThreeYearWarrantyKeysightrsquos commitment to superior product quality and lower total cost of ownership The only test and measurement company with three-year warranty standard on all instruments worldwide

Keysight Assurance PlanswwwkeysightcomfindAssurancePlansUp to five years of protection and no budgetary surprises to ensure your instruments are operating to specification so you can rely on accurate measurements

wwwkeysightcomqualityKeysight Technologies IncDEKRA Certified ISO 90012008 Quality Management System

Keysight Channel PartnerswwwkeysightcomfindchannelpartnersGet the best of both worlds Keysightrsquos measurement expertise and product breadth combined with channel partner convenience

wwwkeysightcomfindmmic

For more information on Keysight Technologiesrsquo products applications or services please contact your local Keysight office The complete list is available atwwwkeysightcomfindcontactus

Americas Canada (877) 894 4414Brazil 55 11 3351 7010Mexico 001 800 254 2440United States (800) 829 4444

Asia PacificAustralia 1 800 629 485China 800 810 0189Hong Kong 800 938 693India 1 800 112 929Japan 0120 (421) 345Korea 080 769 0800Malaysia 1 800 888 848Singapore 1 800 375 8100Taiwan 0800 047 866Other AP Countries (65) 6375 8100

Europe amp Middle EastAustria 0800 001122Belgium 0800 58580Finland 0800 523252France 0805 980333Germany 0800 6270999Ireland 1800 832700Israel 1 809 343051Italy 800 599100Luxembourg +32 800 58580Netherlands 0800 0233200Russia 8800 5009286Spain 0800 000154Sweden 0200 882255Switzerland 0800 805353

Opt 1 (DE)Opt 2 (FR)Opt 3 (IT)

United Kingdom 0800 0260637

For other unlisted countrieswwwkeysightcomfindcontactus(BP-07-01-14)

This information is subject to change without noticecopy Keysight Technologies 2009 - 2014Published in USA July 31 20145991-3556ENwwwkeysightcom

010 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

09 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

Table 7 Sndashparameters (TA = 25 degC)1

Maximum Attenuation Setting

Freq (GHz) S11 S21 S12 S22

dB Mag Ang dB Mag Ang dB Mag Ang dB Mag Ang

1520253035404550556065707580859095100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

ndash355 0017 ndash4503ndash337 0021 ndash5340ndash324 0024 ndash6024ndash308 0029 ndash6634ndash293 0034 ndash7212ndash281 0039 ndash7806ndash270 0045 ndash8360ndash260 0050 ndash8899ndash252 0055 ndash9388ndash245 0060 ndash9783ndash237 0065 ndash10206ndash230 0070 ndash10626ndash224 0076 ndash10981ndash218 0081 ndash11365ndash213 0086 ndash11701ndash207 0092 ndash12051ndash202 0098 ndash12414ndash197 0103 ndash12767ndash193 0109 ndash13134ndash189 0114 ndash13448ndash185 0119 ndash13803ndash182 0123 ndash14137ndash179 0128 ndash14454ndash174 0135 ndash14755ndash171 0140 ndash15101ndash167 0146 ndash15396ndash164 0152 ndash15702ndash161 0156 ndash16051ndash158 0161 ndash16333ndash155 0169 ndash16678ndash152 0173 ndash17090ndash150 0178 ndash17364ndash147 0184 ndash17680ndash145 0189 17954ndash143 0192 17703ndash141 0198 17399ndash139 0201 17013ndash138 0205 16730ndash134 0213 16418ndash132 0218 16036ndash131 0222 15766ndash128 0229 15470ndash126 0235 15086ndash125 0238 14774ndash123 0243 14423ndash121 0248 14001ndash120 0250 13700ndash118 0256 13344ndash118 0258 12988ndash118 0258 12834ndash114 0269 12433

ndash342 0019 ndash2062ndash344 0019 ndash2784ndash349 0018 ndash3295ndash354 0017 ndash3949ndash358 0016 ndash4389ndash364 0015 ndash4972ndash369 0014 ndash5372ndash375 0013 ndash5649ndash381 0012 ndash6032ndash387 0012 ndash6308ndash394 0011 ndash6517ndash398 0010 ndash6723ndash404 0010 ndash6929ndash408 0009 ndash7122ndash413 0009 ndash7053ndash416 0008 ndash7391ndash422 0008 ndash7429ndash424 0008 ndash7430ndash426 0007 ndash7464ndash431 0007 ndash7858ndash433 0007 ndash8026ndash440 0006 ndash8042ndash440 0006 ndash8294ndash446 0006 ndash8073ndash450 0006 ndash8204ndash452 0006 ndash8597ndash454 0005 ndash8618ndash455 0005 ndash8622ndash462 0005 ndash8648ndash460 0005 ndash9200ndash466 0005 ndash8668ndash471 0004 ndash8787ndash475 0004 ndash9048ndash480 0004 ndash9190ndash484 0004 ndash9449ndash491 0004 ndash9074ndash502 0003 ndash9243ndash508 0003 ndash9049ndash508 0003 ndash9439ndash508 0003 ndash7660ndash502 0003 ndash8467ndash517 0003 ndash8837ndash511 0003 ndash7462ndash520 0002 ndash8205ndash554 0002 ndash5919ndash528 0002 ndash4646ndash532 0002 ndash4125ndash505 0003 ndash4224ndash471 0004 ndash4615ndash471 0004 ndash4661ndash454 0005 ndash5316

ndash342 0019 ndash2126ndash344 0019 ndash2825ndash348 0018 ndash3274ndash353 0017 ndash3939ndash358 0016 ndash4408ndash364 0015 ndash4921ndash369 0014 ndash5333ndash376 0013 ndash5674ndash382 0012 ndash6052ndash387 0012 ndash6316ndash393 0011 ndash6601ndash397 0010 ndash6740ndash403 0010 ndash6899ndash409 0009 ndash7216ndash413 0009 ndash7316ndash419 0008 ndash7426ndash423 0008 ndash7361ndash426 0007 ndash7689ndash429 0007 ndash7492ndash430 0007 ndash7912ndash433 0007 ndash8003ndash440 0006 ndash7983ndash444 0006 ndash8330ndash449 0006 ndash8030ndash450 0006 ndash8157ndash457 0005 ndash8393ndash455 0005 ndash8365ndash457 0005 ndash8914ndash457 0005 ndash8609ndash464 0005 ndash8668ndash466 0005 ndash9157ndash473 0004 ndash8978ndash480 0004 ndash9521ndash477 0004 ndash9141ndash480 0004 ndash9412ndash491 0004 ndash9313ndash494 0003 ndash9281ndash505 0003 ndash8723ndash496 0003 ndash9659ndash520 0002 ndash8819ndash508 0003 ndash8023ndash502 0003 ndash8600ndash524 0002 ndash9170ndash528 0002 ndash8103ndash554 0002 ndash6095ndash514 0003 ndash5216ndash491 0004 ndash5431ndash482 0004 ndash5162ndash475 0004 ndash3932ndash464 0005 ndash6722ndash466 0005 ndash6333

ndash345 0019 ndash4099ndash330 0022 ndash4785ndash320 0025 ndash5530ndash307 0029 ndash6265ndash294 0034 ndash6757ndash282 0039 ndash7480ndash272 0044 ndash8099ndash264 0048 ndash8667ndash256 0053 ndash9173ndash247 0058 ndash9712ndash240 0063 ndash10218ndash233 0068 ndash10574ndash227 0073 ndash10959ndash221 0078 ndash11378ndash216 0083 ndash11753ndash210 0089 ndash12152ndash205 0094 ndash12533ndash201 0099 ndash12870ndash196 0105 ndash13199ndash192 0110 ndash13513ndash188 0115 ndash13874ndash184 0120 ndash14254ndash179 0127 ndash14671ndash175 0133 ndash15172ndash172 0138 ndash15475ndash167 0146 ndash15722ndash165 0150 ndash16069ndash164 0152 ndash16256ndash160 0159 ndash16520ndash158 0163 ndash17012ndash157 0165 ndash17267ndash150 0178 ndash17538ndash146 0186 17992ndash145 0188 17766ndash141 0196 17561ndash140 0200 17091ndash141 0198 16758ndash137 0206 16458ndash134 0214 15959ndash132 0218 15661ndash129 0226 15512ndash126 0233 15224ndash126 0234 14917ndash125 0236 14652ndash123 0242 14237ndash122 0246 13736ndash120 0253 13376ndash117 0260 13040ndash116 0263 12767ndash115 0265 12532ndash114 0269 12297

1 Data obtained from onndashwafer measurements Tchuck = 25 degC

myKeysight

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wwwaxiestandardorgAdvancedTCAreg Extensions for Instrumentation and Test (AXIe) is an open standard that extends the AdvancedTCA for general purpose and semiconductor test Keysight is a founding member of the AXIe consortium ATCAreg AdvancedTCAreg and the ATCA logo are registered US trademarks of the PCI Industrial Computer Manufacturers Group

wwwlxistandardorg

LAN eXtensions for Instruments puts the power of Ethernet and the Web inside your test systems Keysight is a founding member of the LXI consortium

wwwpxisaorg

PCI eXtensions for Instrumentation (PXI) modular instrumentation delivers a rugged PC-based high-performance measurement and automation system

Three-Year Warranty

wwwkeysightcomfindThreeYearWarrantyKeysightrsquos commitment to superior product quality and lower total cost of ownership The only test and measurement company with three-year warranty standard on all instruments worldwide

Keysight Assurance PlanswwwkeysightcomfindAssurancePlansUp to five years of protection and no budgetary surprises to ensure your instruments are operating to specification so you can rely on accurate measurements

wwwkeysightcomqualityKeysight Technologies IncDEKRA Certified ISO 90012008 Quality Management System

Keysight Channel PartnerswwwkeysightcomfindchannelpartnersGet the best of both worlds Keysightrsquos measurement expertise and product breadth combined with channel partner convenience

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For more information on Keysight Technologiesrsquo products applications or services please contact your local Keysight office The complete list is available atwwwkeysightcomfindcontactus

Americas Canada (877) 894 4414Brazil 55 11 3351 7010Mexico 001 800 254 2440United States (800) 829 4444

Asia PacificAustralia 1 800 629 485China 800 810 0189Hong Kong 800 938 693India 1 800 112 929Japan 0120 (421) 345Korea 080 769 0800Malaysia 1 800 888 848Singapore 1 800 375 8100Taiwan 0800 047 866Other AP Countries (65) 6375 8100

Europe amp Middle EastAustria 0800 001122Belgium 0800 58580Finland 0800 523252France 0805 980333Germany 0800 6270999Ireland 1800 832700Israel 1 809 343051Italy 800 599100Luxembourg +32 800 58580Netherlands 0800 0233200Russia 8800 5009286Spain 0800 000154Sweden 0200 882255Switzerland 0800 805353

Opt 1 (DE)Opt 2 (FR)Opt 3 (IT)

United Kingdom 0800 0260637

For other unlisted countrieswwwkeysightcomfindcontactus(BP-07-01-14)

This information is subject to change without noticecopy Keysight Technologies 2009 - 2014Published in USA July 31 20145991-3556ENwwwkeysightcom

010 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview

myKeysight

wwwkeysightcomfindmykeysightA personalized view into the information most relevant to you

wwwaxiestandardorgAdvancedTCAreg Extensions for Instrumentation and Test (AXIe) is an open standard that extends the AdvancedTCA for general purpose and semiconductor test Keysight is a founding member of the AXIe consortium ATCAreg AdvancedTCAreg and the ATCA logo are registered US trademarks of the PCI Industrial Computer Manufacturers Group

wwwlxistandardorg

LAN eXtensions for Instruments puts the power of Ethernet and the Web inside your test systems Keysight is a founding member of the LXI consortium

wwwpxisaorg

PCI eXtensions for Instrumentation (PXI) modular instrumentation delivers a rugged PC-based high-performance measurement and automation system

Three-Year Warranty

wwwkeysightcomfindThreeYearWarrantyKeysightrsquos commitment to superior product quality and lower total cost of ownership The only test and measurement company with three-year warranty standard on all instruments worldwide

Keysight Assurance PlanswwwkeysightcomfindAssurancePlansUp to five years of protection and no budgetary surprises to ensure your instruments are operating to specification so you can rely on accurate measurements

wwwkeysightcomqualityKeysight Technologies IncDEKRA Certified ISO 90012008 Quality Management System

Keysight Channel PartnerswwwkeysightcomfindchannelpartnersGet the best of both worlds Keysightrsquos measurement expertise and product breadth combined with channel partner convenience

wwwkeysightcomfindmmic

For more information on Keysight Technologiesrsquo products applications or services please contact your local Keysight office The complete list is available atwwwkeysightcomfindcontactus

Americas Canada (877) 894 4414Brazil 55 11 3351 7010Mexico 001 800 254 2440United States (800) 829 4444

Asia PacificAustralia 1 800 629 485China 800 810 0189Hong Kong 800 938 693India 1 800 112 929Japan 0120 (421) 345Korea 080 769 0800Malaysia 1 800 888 848Singapore 1 800 375 8100Taiwan 0800 047 866Other AP Countries (65) 6375 8100

Europe amp Middle EastAustria 0800 001122Belgium 0800 58580Finland 0800 523252France 0805 980333Germany 0800 6270999Ireland 1800 832700Israel 1 809 343051Italy 800 599100Luxembourg +32 800 58580Netherlands 0800 0233200Russia 8800 5009286Spain 0800 000154Sweden 0200 882255Switzerland 0800 805353

Opt 1 (DE)Opt 2 (FR)Opt 3 (IT)

United Kingdom 0800 0260637

For other unlisted countrieswwwkeysightcomfindcontactus(BP-07-01-14)

This information is subject to change without noticecopy Keysight Technologies 2009 - 2014Published in USA July 31 20145991-3556ENwwwkeysightcom

010 | Keysight | TC721 DCndash50 GHz Variable Attenuator SndashParameters - Technical Overview