EEWeb Pulse - Issue 32, 2012

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  • 8/3/2019 EEWeb Pulse - Issue 32, 2012

    1/20

    KKYkd-`

    App{k

    Okdt{btq 9# 45

    Jkoo Pgllx@[A Am`

    Kck`xta`bc Kmiamkktami @lgg{m

    KKYkd

    U[CPK

  • 8/3/2019 EEWeb Pulse - Issue 32, 2012

    2/20

    Haia'Fkq ap bm b{xnltazkh hapxtad{xlt olt bcc p{uucakt ubtxmktp- Mky utlh{`xp bhhkh hbacq- 4522 Haia'Fkq @ltultbxalm# 952 Dtllfp Bvk- Pl{xn# Xnako Tavkt Obccp# GM ;?952# [PB

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    Axp bcc bdl{x

    `lmmk`xalmp-

    Xnk {pkt'xl'{pkt olt{g ap olt kvktqlmk# otlghkpaim kmiamkktp xl nlddqapxp# xl hap`{ppxk`nmlcliq# utlh{`xp# hkpaimp bmh gltk-

    Jlam xnk hap`{ppalmp xnbx gbx`n ql{t amxktkpxlt lookt ql{t k~uktxapk xl lxnktp-

    Jlam xnk hap`{ppalm mly bx:

    hap`{ppalmp

    nlddqapxp

    kmiamkktp

    amh{pxtq k~uktxp

    tkpl{t`kpcamfp

    xk`nma`bc hl`{gkmxpynaxk ubuktp

    tkoktkm`k hkpaimp

    buuca`bxalm mlxkp

    `lgg{maxq

    ulykt

    ga`tl`lmxtlcckt

    cainxami

    yatkckpp

    pkmplt

    px{hkmxp

    http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7http://bit.ly/kDYHm7
  • 8/3/2019 EEWeb Pulse - Issue 32, 2012

    3/20KKYkd sKck`xta`bc Kmiamkktami @lgg{maxq _apax yyy-kkykd-`lg 0

    XBDCK LO @ LMXKMXP

    Jkoo Pgllx 8_a`k Utkpahkmx lo Kmiamkktami

    Mky Ulykt Xlulcliq Utlukcp >R{btxkt'Dta`f D{p @lmvktxkt xlDkm`ngbtf Ulykt HkmpaxqDQ JKOO PGLLX

    Okbx{tkh Utlh{`xp 24Fkku Mlapk Hlym Ynkm Gbfami

    Cly'Ckvkc Gkbp{tkgkmxpDQ TLDKTX ITKKM YAXN FKAXNCKQ

    Bth{aml olt Gktk G5txbcp ' Ubtx 2 29DQ TLDKTX DKTIKT YAXN TKCABDCK KGDKHHKH PQPXKGP

    TXZ ' Tkx{tm xl Zktl @lga` 21

    @[Ap mky Plc{p Ulykt Xlulcliq ap ualmkktami b mky ktb am ulykt p{uucq uktoltgbm`k-

    Amxktvaky yaxn Jkoo Pgllx ' @[A Am`

    Ckbtm nly xl gbfk p{``kppo{cc cly'ckvkc gkbp{tkgkmxp bmh {pk buutlutabxk xk`nmar{kp

    xl gamagazk kttltp-

    Nly xntkk Axbcabmp oltgkh b tbxnkt {m`lmvkmxalmbc buutlb`n xl kck`xtlma` utlxlxquami

    ploxybtk-

    28

  • 8/3/2019 EEWeb Pulse - Issue 32, 2012

    4/20KKYkd sKck`xta`bc Kmiamkktami @lgg{maxq _apax yyy-kkykd-`lg 8

    AMXKT_AKY

    @[A Am`Nly hah ql{ ikx amxlkck`xtlma`p,kmiamkktami bmhynkm hah ql{ pxbtx-8 ~ 0?-> ~ 24-4 gg.4-0 ~ 2-8; ~ 5-8>!

    Oai{tk 0: Nain'Pahk Pyax`n .NPP! Ibxk @nbtik K~xtb`xalm .I@K! ybvkoltgp

    Oai{tk 8: I@K ulykt gkbp{tkgkmx

    xl tkh{`k xnk pyax`nami clppkp dq

    lvkt 15+- Xnap bcclyp xnk Plc{p

    `lmvktxkt xl luktbxk bx b nainkt

    pyax`nami otkr{km`q yaxnl{x

    pb`taoa`ami vktq g{`n kooa`akm`q#

    uktgaxxami dkm`ngbtf ulykthkmpaxq bx vktq tkbplmbdck ckvkcp lo

    kooa`akm`q-

    Lxnkt Dkmkoaxp

    Bp hkp`tadkh# xnk Plc{p Xlulcliq

    b``lgucapnkp uktoltgbm`k ag'

    utlvkgkmxp yaxn mlvkc `lmvktpalm

    gkxnlhp# mlx nainkt uktoltgbm`k

    Lukmami xnk Hllt xl Nainkt

    Otkr{km`q @lmvktxktp

    Bx am`tkbpkh pyax`nami otkr{km`akp#

    xnkpk agutlvkgkmxp dk`lgk kvkm

    gltk `lgukccami- Xnk nainkt

    xnk pyax`nami otkr{km`q ql{ `bmutlh{`k# xnk nainkt xnk ulykt

    hkmpaxq# ao `lmvktxkt kooa`akm`q

    ap nkch xl b tkbplmbdck ckvkc- Ao

    yk bpp{gk kr{avbckmx pyax`nami

    clppkp olt dlxn x{tm'lm bmh x{tm'loo

    lo xnk nain'pahk pyax`n am xnk d{`f

    `lmvktxkt# xnk Plc{p Xlulcliq nbp

    xnk ulxkmxabc

  • 8/3/2019 EEWeb Pulse - Issue 32, 2012

    11/20KKYkd sKck`xta`bc Kmiamkktami @lgg{maxq _apax yyy-kkykd-`lg 22

    UTLJK@X

    Ulykt hkmpaxq 7 88; Y,am0

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    E o{cc clbh = 1;+

    E ukbf .buutl~- ?5+ clbh! 71?+

    Lvkt o{cc amu{x vlcxbik tbmik =1;+

    Bvbacbdck am dlxn 2px ikmktbxalm

    HLPB .4 l{xu{x uamp! bmh 4mh

    ikmktbxalm HLPB .8 l{xu{x uamp!

    `lmoai{tbxalmp-

    Ynbxp Mk~x

    Xnk Plc{p Xlulcliq `bm dk {pkh

    dlxn aplcbxkh bmh mlm'aplcbxkh

    h`'h` ulykt p{uucq hkpaimp- Ax

    ap bm k~`kcckmx xlulcliq olt mlm'

    aplcbxkh h`'h` ulamx'lo'clbh .ULC!

    ulykt p{uucakp h{k xl axp bdacaxq xl

    utlvahk b yahkt h{xq `q`ck H olt

    iavkm l{xu{x xl amu{x vlcxbik tbxal

    G- Xnap ap bm kpuk`abccq bxxtb`xavk

    okbx{tk olt yahk'`lmvktpalm'tbxal

    ULCp-

    Oai{tk ;: Xlxbc Pyax`nami Clpp @lgubtaplm: Plc{p vp- Pxbmhbth D{`f

    @lmvktxkt

    Am xnk `bmlma`bc d{`f `lmvktxkt#

    xnk H xktg# lt u{cpk'yahxn tbxal#

    ap kr{bc xl xnk G xktg lt l{xu{x,

    amu{x vlcxbik tbxal- Olt xnk Plc{p

    `lmvktxkt# G 7 H,.4'H!- Xtbmpcbxami

    xnbx xl bm luktbxalmbc bhvbmxbik# bx

    bmq iavkm vlcxbik tbxal# xnk u{cpk

    yahxn yacc dk yahkt xnbm olt xnk

    pxbmhbth d{`f `lmvktxkt- Xn{p# xnk

    24 _ amxktgkhabxk d{p vlcxbik ap pxacc

    bxxtb`xavk olt ulyktami `naup kvkm

    hlym xl 5-; _- Xnk Plc{p Xlulcliq

    pnl{ch p{uultx `lmxam{kh {pk lo

    xnk clykt'hapxtad{xkh'`{ttkmx 24 _

    amxktgkhabxk d{p vlcxbik# tbxnkt

    xnbm qakchami utkgbx{tkcq xl clykt

    amxktgkhabxk d{p vlcxbik yaxn

    nainkt hapxtad{xkh `{ttkmx-

    Pam`k xnk Plc{p Xlulcliq gbamxbamp

    axp kook`xavkmkpp amhkukmhkmx lo xnk

    `lmxtlc gkxnlh {pkh# ax `bm luktbxk yaxn bmbcli vlcxbik glhk `lmxtlc#

    bmbcli `{ttkmx glhk `lmxtlc# bmh

    vbtal{p haiaxbc `lmxtlc utloackp-

    Xnbx lukmp xnk hllt olt @[A xl

    aguckgkmx xnap xlulcliq am b yahk

    vbtakxq lo ulykt p{uucq utlh{`x

    ucbxoltgp- Xnk Plc{p Xlulcliq

    `bm bcpl agutlvk xnk uktoltgbm`k

    lo xnk aplcbxkh nain'vlcxbik h`'h`

    pk`xalm lo xnk b`'h` ulykt p{uucq-

    Pam`k ax `bm luktbxk vktq kooa`akmxcqlvkt b yahk vlcxbik tbmik# ql{ `bm

    p{dpxbmxabccq tkh{`k xnk bgl{mx

    lo xnk d{cf nlch'{u `bub`axbm`k#

    tkh{`ami xnk xlxbc `lpx lo xnk ulykt

    p{uucq-

    Am xnap cagaxkh pub`k# yk bxxkguxkh

    xl hkp`tadk bp gbmq lo xnk

    Plc{p Xlulcliqp uktoltgbm`k'

    kmnbm`ami okbx{tkp bp ulppadck-

    Xnk dtako okbx{tk hkp`tauxalmp

    utlvahk ampainx amxl xnk ulxkmxabclo xnap mky xlulcliq- @[Ap oatpx

    utlh{`x {pami xnk Plc{p Xlulcliq#

    xnk Mlv{g MRD45?5 r{btxkt'dta`f

    d{p `lmvktxkt# utlvahkp {mhapu{xkh

    vbcahbxalm tkibthami xnap mlvkc

    xlulcliqp ulxkmxabc- K~ubmhkh

    xlulclia`bc okbx{tkp bmh utlh{`x

    puk`aoa`bxalmp btk bvbacbdck am @[Ap

    utlh{`x caxktbx{tk-

    Oai{tk ?: Mlv{g Bhvbm`kh UlyktR{btxkt'dta`f

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    5-255 5-4;5 5-??5

    G .@lmvktxkt _L[X,_AM Tbxal!

    +

    Pyax`nami Clpp @lgubtaplm

    Pxbmhbth D{`f

  • 8/3/2019 EEWeb Pulse - Issue 32, 2012

    12/20KKYkd sKck`xta`bc Kmiamkktami @lgg{maxq _apax yyy-kkykd-`lg 24

    OKBX[TKH UTLH[ @XP

    IbM OKX htavkt A@p

    Xk~bp Ampxt{gkmxp Am`ltultbxkh amxtlh{`kh b cly'pahk ibxk htavkt olt {pk

    yaxn GLPOKXp bmh Ibcca{g'Maxtahk .IbM! ulykt oakch'kook`x xtbmpapxltp

    .OKXp! am nain'hkmpaxq ulykt `lmvktxktp- Xnk mky CG;228 htavkp IbM

    OKXp bmh GLPOKXp am cly'pahk buuca`bxalmp# p{`n bp pqm`ntlml{ptk`xaoaktp bmh ulykt ob`xlt `lmvktxktp- Xlikxnkt yaxn xnk CG;220# xnk

    amh{pxtqp oatpx 255'_ nbco'dtahik IbM OKX htavkt bmml{m`kh am 4522# xnk

    obgacq utlvahkp b `lguckxk aplcbxkh H@,H@ `lmvktpalm htavkt plc{xalm

    olt nain'ulykt IbM OKXp bmh GLPOKXp {pkh am nain'uktoltgbm`k

    xkck`lg# mkxyltfami bmh hbxb `kmxkt buuca`bxalmp- Olt gltk amoltgbxalm#

    uckbpk `ca`f nktk-

    Xkpx Plc{xalm olt >54-22b` YCBM

    _Mbxalmbc Ampxt{gkmxp bmml{m`kh kbtcq b``kpp p{uultx olt xkpxami mk~x'

    ikmktbxalm >54-22b` YCBM `naupkxp bmh hkva`kp- Xnap bmml{m`kgkmx

    k~kgucaoakp nly MAp glh{cbt# ploxybtk'hkoamkh yatkckpp xkpx ucbxoltg

    `lmxam{bccq k~ubmhp xl bhhtkpp xnk cbxkpx `kcc{cbt bmh yatkckpp

    `lmmk`xavaxq pxbmhbthp am`c{hami >54-22b`- MAp >54-22b` YCBM xkpx

    plc{xalm utlvahkp ock~adacaxq am xkpxami >54-22b` hkva`kp am bhhaxalm

    xl xkpxami >54-22b,d,i,m hkva`kp- Ax yltfp yaxn b yahk tbmik lo paimbc

    dbmhyahxnp am`c{hami 45# 85# >5 bmh >5&>5 2?5 GNz olt dlxn X~ bmh T~ olt {u xl 88 GAGL `lmoai{tbxalmp- Olt

    gltk amoltgbxalm# uckbpk `ca`f nktk-

    Pa;24~~ `cl`fp btk naincq `{pxlgazbdck hkva`kp- Xnk Pa;24~~ `cl`f ikmktbxltp p{uultx {u xl xntkk C_@GLP `cl`f

    l{xu{xp otlg 0 xl 455 GNz am b pamick hkva`k# utlvahami hkvkcluktp yaxn gb~ag{g ock~adacaxq ynack pagucaoqami p{uucq`nbam gbmbikgkmx- Kb`n l{xu{x nbp ol{t ckvkcp lo l{xu{x pxtkmixn pkxxami# yna`n `bm dk `lmoai{tkh amhavah{bccq xl

    gbx`n xnk clbh bmh xnk xtb`k ckmixn `lmhaxalm lo xnk dlbth- Xnap ap gltk xnbm xya`k xnk `lmoai{tbdacaxq lo xnk `clpkpx

    `lgukxami utlh{`x- Olt gltk amoltgbxalm# uckbpk `ca`f nktk-

    Pgbcckpx Utlitbggbdck @cl`fp

    Paca`lm Cbdltbxltakp Am`-# b ckbhkt am nain'uktoltgbm`k# bmbcli'

    amxkmpavk# ga~kh'paimbc A@p# amxtlh{`kh xnk amh{pxtqp pgbcckpx bmh

    clykpx ulykt `{pxlgazbdck `cl`f ikmktbxltp- Bvbacbdck am b xamq 2-9

    gg'pr{btkh ub`fbik# Paca`lm Cbdp mky Pa;24~~ `cl`f ikmktbxlt

    obgacq looktp {u xl ?5 ukt`kmx clykt ulykt xnbm `lgukxami plc{xalmp

    bmh ap ahkbc olt pub`k'cagaxkh# `lpx'pkmpaxavk kgdkhhkh bmh `lmp{gkt

    kck`xtlma`p p{`n bp ultxbdck gkhab ucbqktp .UGUp!# amh{pxtabc gkxktami

    bmh glmaxltami# ultxbdck mbvaibxalm hkva`kp .UMHp!# nbmhpkxp# haiaxbc

    `bgktbp bmh n{mhtkhp lo lxnkt nbmhnkch# ulykt'pkmpaxavk utlh{`xp- Bp

    ubtx lo Paca`lm Cbdp lgutknkmpavk# utlitbggbdck xagami ultxolcal# xnk

    http://newscenter.ti.com/Blogs/newsroom/archive/2012/02/02/new-gate-driver-extends-ti-s-family-of-gan-fet-driver-ics-926349.aspxhttp://digital.ni.com/worldwide/bwcontent.nsf/websearch/1d32cf21fe62097a8625798f0076b9dahttp://news.silabs.com/press-release/product-news/silicon-labs-introduces-industrys-smallest-lowest-power-customizable-clochttp://news.silabs.com/press-release/product-news/silicon-labs-introduces-industrys-smallest-lowest-power-customizable-clochttp://digital.ni.com/worldwide/bwcontent.nsf/websearch/1d32cf21fe62097a8625798f0076b9dahttp://newscenter.ti.com/Blogs/newsroom/archive/2012/02/02/new-gate-driver-extends-ti-s-family-of-gan-fet-driver-ics-926349.aspx
  • 8/3/2019 EEWeb Pulse - Issue 32, 2012

    13/20

    Hl ql{ mkkh b

    `lpx'kok`xavk

    plc{xalm xl

    b``{tbxkcq xtb`f

    ql{t {mgbmmkhvkna`ckp55-881-0>9> lt vapax {p lmcamk bx yyy-ga`tlpxtbam-`lg Ckbtm gltk nktk-

    Caxxck Pkmpltp# Dai Ahkbp

    http://bit.ly/zVvNIshttp://bit.ly/zVvNIshttp://bit.ly/zVvNIshttp://bit.ly/zVvNIshttp://bit.ly/zVvNIshttp://bit.ly/zVvNIshttp://bit.ly/zVvNIshttp://bit.ly/zVvNIshttp://bit.ly/zVvNIshttp://bit.ly/zVvNIshttp://bit.ly/zVvNIshttp://bit.ly/zVvNIshttp://bit.ly/zVvNIshttp://bit.ly/zVvNIshttp://bit.ly/zVvNIshttp://bit.ly/zVvNIshttp://bit.ly/zVvNIshttp://bit.ly/nKLRXo
  • 8/3/2019 EEWeb Pulse - Issue 32, 2012

    14/20KKYkd sKck`xta`bc Kmiamkktami @lgg{maxq _apax yyy-kkykd-`lg 28

    @nbtb`xktazami kck`xtlma` hkva`kp p{`n bp oakch'kook`x xtbmpapxltp .OKXp! bmh `btdlm mbmlx{dkp.@MXp! `bm dk b `nbcckmik dk`b{pk ax tkr{atkp gbfami

    gkbp{tkgkmxp lo vktq cly `{ttkmxp# loxkm bx lt dkcly

    xnk mlapk ckvkc lo xnk xkpx pqpxkg- Xl gbfk xnkpk

    gkbp{tkgkmxp p{``kppo{ccq# ql{ mkkh xl fmly ynbx

    xquk lo xkpx kr{augkmx xl {pk# xnk haooktkmx pl{t`kp lo

    gkbp{tkgkmx kttlt# bmh xnk buutlutabxk xk`nmar{kp xl

    gamagazk xnkpk kttltp-

    B m{gdkt lo ampxt{gkmxp btk bvbacbdck olt gbfami cly'

    `{ttkmx gkbp{tkgkmxp- Lmk lo xnkpk ap xnk haiaxbc

    g{cxagkxkt .HGG!- Bcxnl{in b cly'`lpx# 0'2,4 haiax

    nbmhnkch HGG apmx bm buutlutabxk plc{xalm olt b cly'

    ckvkc gkbp{tkgkmx# nain'utk`apalm cbdltbxltq HGGpbtk bvbacbdck xnbx `bm gkbp{tk `{ttkmx ckvkcp bp cly bp

    25uB-

    Lxnkt luxalmp olt gkbp{tami clykt'ckvkc {ttkmxp am`c{hk

    ua`lbggkxktp# kck`xtlgkxktp# bmh pl{t`k'gkbp{tkgkmx

    {maxp .PG[p!- Kb`n xquk looktp b haooktkmx pkx lo

    `bubdacaxakp bmh tbmikp- Olt k~bguck# bm kck`xtlgkxkt

    `bm gkbp{tk `{ttkmxp bp cly bp xnk ampxt{gkmxp amu{x

    loopkx `{ttkmx# am plgk `bpkp bp cly bp lmk okgxl'bgu-

    Plgk PG[p `bm gkbp{tk `{ttkmxp bp cly bp 855 bxxl'

    bgup-

    Fkku Ax Hlym"

    Xnk pkmpaxavaxq lo bcc xnkpk ampxt{gkmxp ap cagaxkh dq

    mlapk# dlxn amxktmbc bmh k~xktmbc xl xnk xkpx ampxt{gkmx

    axpkco- Xnk pl{t`k tkpapxbm`k lo b hkva`k {mhkt xkpx

    .H[X!# olt k~bguck# pkxp xnk ckvkc lo Jlnmplm `{ttkmx

    mlapk# yna`n ap cly'ckvkc mlapk `b{pkh dq xkguktbx{tk

    kook`xp lm kck`xtlmp am b `lmh{`xlt- Xnk clykt xnk pl{t`k

    tkpapxbm`k# xnk nainkt xnk Jlnmplm mlapk-

    Dlxn xkguktbx{tk bmh mlapk dbmhyahxn book`x xnk

    Jlnmplm `{ttkmx mlapk- B tkh{`xalm am kaxnkt ubtbgkxkt

    yacc bcpl tkh{`k xnk Jlnmplm `{ttkmx mlapk- @tqlikma``llcami# olt k~bguck# ap loxkm {pkh xl tkh{`k mlapk am

    bgucaoaktp bmh lxnkt `at`{axp am tkpkbt`n px{hakp p{`n

    bp p{ukt`lmh{`xavaxq px{hakp# d{x xnk `llcami kr{augkmx

    tkr{atkh `lgkp bx paimaoa`bmx `lpx- Xnk mlapk dbmhyahxn

    `bm dk tkh{`kh dq oacxktami# d{x xnap yacc pcly hlym xnk

    gkbp{tkgkmx- Xnk Jlnmplm `{ttkmx mlapk `l{ch bcpl dk

    tkh{`kh dq am`tkbpami b H[Xp pl{t`k tkpapxbm`k# d{x

    xnap ap tbtkcq ulppadck xl hl-

    MlapkFkku

    Tldktx ItkkmPkmalt Gbtfkx Hkvkclugkmx Gbmbikt

    Hlym Ynkm GbfamiCly'Ckvkc Gkbp{tkgkmxp

  • 8/3/2019 EEWeb Pulse - Issue 32, 2012

    15/20KKYkd sKck`xta`bc Kmiamkktami @lgg{maxq _apax yyy-kkykd-`lg 2;

    XK@NMA@BC BTXA@CK

    Oai{tk 2

    Xnk `lb~abc `bdckp {pkh xl amxkt`lmmk`x xkpx ampxt{gkmxp

    xl kb`n lxnkt lt xl xnk H[X btk bmlxnkt pl{t`k lo {mybmxkh

    mlapk- Xqua`bc xkpx `bdckp `bm ikmktbxk bp g{`n bp xkmp

    lo mbml'bgup ynkm# h{k xl vadtbxalm# xnkat l{xkt pnakchp

    t{d bibampx xnk `bdckp amp{cbxalm- Am plgk buuca`bxalmp#

    p{`n bp mbmlxk`nmlcliq bmh pkga`lmh{`xlt tkpkbt`n#

    xnk `{ttkmx ikmktbxkh dq xnap kook`x gbq k~`kkh xnk ckvkc

    lo `{ttkmx xl dk gkbp{tkh otlg xnk H[X- Xl gamagazk

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  • 8/3/2019 EEWeb Pulse - Issue 32, 2012

    16/20

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  • 8/3/2019 EEWeb Pulse - Issue 32, 2012

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