[TenTec] BNC vs UHF connectors for HF 100w use

[Dr. Gerald N. Johnson, electrical engineer]

Neither center pin will carry the 10 amps current required to feed a 50
ohm load 500 volts. Considering the center conductor of RG58 is only 18
or 20 gauge, the WIRE won't carry more than a couple amps.

I've been using BNC connectors for HF 100 watt applications for decades.
Also at VHF.

73, Jerry, K0CQ
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Entire content copyright Dr. Gerald N. Johnson. Reproduction by
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