[Milsurplus] TBW Key Clicks/ Chirps

Richard Brunner rbrunner at gis.net
Fri Feb 3 20:52:52 EST 2006



Ray Fantini wrote:
> Working on the TBW transmitter in preparation for the CX contest and am
> about to do the unthinkable, going to do a modification to inject
> negative bias on the grid of the oscillator and first stage amplifier. ...

Good idea.  Keep us posted on your progress.  It's true that with the 
800 cycle supply there are no clicks or chirp - mine works fine.  I did 
have chirp from the keying relay shocking the 837 vfo, but selecting a 
tight 837 cured that.

Richard Brunner, AA1P


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