[SignalOne] CX7A CW Sidetone

[jerry]

Actually - surprisingly - it seems the problem is not the FET.  Rather, 
it's
an NPN transistor on the driver board.  I think a 2N3904 will work fine 
in that
position.

               - Jerry, KF6VB


On 2024-11-17 22:45, Peter Sundberg wrote:
> Jerry, I had the same problem in a CX7A that I was fixing for a friend
> of mine. I put an MPF-102 in and that cured the sidetone issue.
> 
> 73
> Peter SM2CEW
> 
> 
> At 17:14 2024-11-17, jerry wrote:
> 
>> In CW modes, the transceiver constantly outputs audio sidetone.  It's 
>> just on all the time.  Not transmitting all the time, just sideton-ing 
>> all the time.
>> 
>> I wonder if an enhancement mode FET could be made to work?