> I'm guessing I am not the first to want to do this...
>
> I want to use a UHF Micor for a link. I want to be able to stop the
> PL encode immediately when a user unkeys, but I want the controller
> to be able to hold the transmitter up (without PL tone) for
> sending IDs.
>
> There appears to be no PL on/off gate on the TLN5731A encoder. The
> only tone gate is Q703 which only gates the out of phase tone used
> for reverse burst.
>
> Other than using a mechanical relay to interrupt the encoder tone
> output, any suggestions?
>
> Thanks,
>
> Paul N1BUG
Pin 701 on the board (base of Q704) is PL Inhibit - pull to ground to kill
the encoder.
--- Jeff WN3A
