Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple...
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Transcript of Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple...
![Page 1: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/1.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
Coaxial Connectors,Coaxial Connectors,Coaxial Cable, Feed Line,Coaxial Cable, Feed Line,
and a Simple Antenna.and a Simple Antenna.
By: David E. Rudd, CET WC AI4JIBy: David E. Rudd, CET WC AI4JI
![Page 2: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/2.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
Coaxial ConnectorsCoaxial Connectors
• Properly mate cables to equipment
• Properly mate cables to cables
• Can be easily adapted to other types
• Maintain impedance
![Page 3: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/3.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
PL-259PL-259((CChildrens hildrens BBand’ers favorite)and’ers favorite)
![Page 4: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/4.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
Coaxial ConnectorsCoaxial Connectors
• PL-259 aka UHF Connector (50 ohms)
• WWII threaded connector intended for use as a video connector in RADAR applications.
• It later saw use as an RF connector and is generally used at HF and VHF frequencies.
• These do NOT work well over 300 MHz!
![Page 5: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/5.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
BNC ConnectorBNC Connector
![Page 6: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/6.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
Coaxial ConnectorsCoaxial Connectors
• BNC Connector (50 or 75 ohms)
• Aka (Bayonet Neill-Concelman)
• Very common RF coaxial connector
• Used for audio, video, RF and networking
• Commonly found in radio and television
• Typically good from 0MHz – 3 GHz
• Supports voltages up to 500 volts.
![Page 7: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/7.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
F ConnectorF Connector
![Page 8: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/8.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
Coaxial ConnectorsCoaxial Connectors
• F connector (75 ohms)
• Commonly used for over the air terrestrial television, cable television, satellite television and cable modems.
• Best with RG-6/U cable.
• Good up to 1 GHz.
![Page 9: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/9.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
N ConnectorN Connector
![Page 10: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/10.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
Coaxial ConnectorsCoaxial Connectors
• N Connector (50 and 75 ohms)• Designed for 0-11GHz, but found works
well up into the 18GHz range!• Can handle 5000 watts at 20MHz and 500
watts at 2GHz.• Mil-Spec and widely used in the
infrastructure of land mobile, wireless data, paging and cellular communications systems.
![Page 11: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/11.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
SMA ConnectorSMA Connector
![Page 12: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/12.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
Coaxial ConnectorsCoaxial Connectors
• SMA Connector (50 ohms)
• Good from DC to 18GHz.
• Commonly found on portable radios.
• Rated for only 500 mating cycles if properly torqued to 3-5 in-lbf.
![Page 13: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/13.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
Mini-UMini-U
![Page 14: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/14.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
Coaxial ConnectorsCoaxial Connectors
• Miniature UHF (mini-u) (50 ohms)
• Designed for use in mobile phones
• Good for up to 2.5 GHz.
• Became popular for commercial mobile transmitter applications.
• Commonly found on public safety radio equipment.
![Page 15: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/15.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
Coaxial CableCoaxial Cable
• Commonly found in 50 and 75 ohms
• Thin, thick, shielded, double shielded.
• Flexible, rigid, semi-rigid, superflex, heliax.
• Air dielectric, foam dielectric, teflon.
• Silver or nickel plated, solid or copper clad
• Solid conductor, braided conductor, hollow conductor and twisted conductor.
![Page 16: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/16.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
Coaxial CablesCoaxial Cables
![Page 17: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/17.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
Belden 9913/UBelden 9913/U
![Page 18: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/18.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
Coaxial CableCoaxial Cable
• An inner conductor surrounded by a flexible, tubular insulating layer, surrounded by a tubular conducting shield and covered by a weather-proof material.
• Used as a transmission line for radio frequency signals.
• The thicker the cable, the less loss and more power handling capabilities.
![Page 19: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/19.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
Commercial Coaxial CablesCommercial Coaxial Cables
![Page 20: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/20.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
Commercial Coaxial CablesCommercial Coaxial Cables
![Page 21: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/21.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
Coaxial Cable and LossCoaxial Cable and Loss
• Coax Cable has attenuation, both ways!• RG-8/U, 100’ @ 10 MHZ = .55 dB• RG-8/U, 100’ @ 50 MHz = 1.3 dB• RG-8/U, 100’ @ 144 MHz = 2 dB• RG-8/U, 100’ @ 400 MHz = 4.1 dB• 9913, 100’ @ 50 MHz = .9 dB• 9913, 100’ @ 144 MHz = 1.5 dB• 9913, 100’ @ 400 MHz = 2.6 dB
![Page 22: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/22.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
Gain and Loss ChartGain and Loss Chart
Gain / Loss Multiplier ERP if 100 watts1db 1.2 120 w2db 1.6 160 w3db 2.1 210 w6db 4 400 w9db 8 800 w12db 15.9 1590 w15db 31.6 3160 w
![Page 23: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/23.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
Coaxial Cable and LossCoaxial Cable and Loss
• LMR-400, 100’ @ 10MHz = negligible• LMR-400, 100’ @ 50MHz = .9 dB• LMR-400, 100’ @ 144MHz = 1.4 dB• LMR-400, 100’ @ 440MHz = 2.7 dB• LDF4-50, 100’ @ 10MHZ = negligible• LDF4-50, 100’ @ 144MHz = .4 dB• LDF4-50, 100’ @ 440MHz = 1.5 dB• LDF4-50, 100’ @ 900MHz = 2.2 dB
![Page 24: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/24.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
Coaxial Cable and LossCoaxial Cable and Loss
• LDF5-50, 100’ @ 50MHz = .25 dB
• LDF5-50, 100’ @ 144MHz = .4 dB
• LDF5-50, 100’ @ 440MHz = .8 dB
• LDF5-50, 100’ @ 900MHz = 1.2 dB
![Page 25: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/25.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
Ladder LineLadder Line
• No loss.• Does not leak.• Not prone to radiate.• Requires a BALUN to work with standard
50 ohm equipment.• Must be kept clear of surrounding metal.• Very easy to work with.• Does not require expensive connectors.
![Page 26: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/26.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
450 ohm Ladder Line450 ohm Ladder Line
![Page 27: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/27.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
Simple Dipole ConnectionSimple Dipole Connection
![Page 28: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/28.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
Ladder Line J-Pole AntennaLadder Line J-Pole Antenna
![Page 29: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/29.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
Home Made Ladder LineHome Made Ladder Line
![Page 30: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/30.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
The Doublet AntennaThe Doublet Antenna
![Page 31: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/31.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
½ Wave Doublet Formula½ Wave Doublet Formula
![Page 32: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/32.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
Doublet AdvantagesDoublet Advantages
• Cut to lowest frequency you intend to use.
• Must use a tuner.
• Must have a 4:1 Balun in the tuner. (usually will have 2 or 3 insulated binding posts for connecting wires on back)
• Will tune ANY frequency in the HF bands.
• Will tune 6 meter band.
• Will give you GAIN in the upper HF bands!
![Page 33: Walton County Emergency Radio Club AI4JI Coaxial Connectors, Coaxial Cable, Feed Line, and a Simple Antenna. By: David E. Rudd, CET WC AI4JI.](https://reader036.fdocuments.us/reader036/viewer/2022062417/551953f9550346aa698b45a0/html5/thumbnails/33.jpg)
Walton County Emergency Radio Club Walton County Emergency Radio Club AI4JIAI4JI
The End