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My ?Bitx from A to Z.


 

Hello,
I¡¯m still working on it. I¡¯ve done some tricoils and filters, real surgeon work.
A question for:

I start the realization with Kicad of the circuit for jack connections in front.?
How? connecting an old CB microphone? RJ 11.

A priori on the RJ 11 socket: the 3 is at mass in TX, the 4 is at mass in RX. I think you have to connect one of the two on the PTT connection, but which one?
I think someone¡¯s already done it.
If you have a diagram

cdt

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