CB mic wiring - RadioBanter

February 10th 06, 09:19 PM posted to rec.radio.amateur.equipment

Ken C

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CB mic wiring

I am trying to adapt a CB "roger beep" mic for ham radio and there is
some odd terminology for CB mic wiring.

The CB'ers call "PTT" "transmit (TX)"

They call "audio-out" "audio" (not too bad)

They have a separate line for "receive (RX)" which some call "receive
control." What is that for? Anyone know? By testing, I know it is
not for a speaker in the mic. It shows 6 ohms to ground.

Ken KC2JDY

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