[Amps] TL922 mods
Vic K2VCO
k2vco.vic at gmail.com
Fri Aug 26 13:52:03 PDT 2011
I meant to say "a 5 ohm resistor between the input circuit and the capacitor feeding RF to
the filaments", not the grid.
On 8/26/2011 1:16 PM, Vic K2VCO wrote:
> I have my TL-922 on the air. I added a soft-start relay, vacuum relay QSK, and a bias
> switching circuit to cut the tubes off in between keyed elements. I also strapped the
> grids directly to ground (W8JI convinced me), added a 5 ohm series resistor between the
> input circuit and the grid,
--
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco/
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