[AMPS] YC-156 Cathode/Filament Circuit

[Tom Rauch]

> coupling cap. The bias choke will attach at the same point. Someone
> please correct any mistakes that I have made. I have never worked with
> a tube where one side of the filament was tied to the cathode
> internally. Sorry about the long post. Regards to All Jeff KD4LYH

That will work Jeff, and it is the easiest way. With your system, 
none of the AC filament current will flow through the bias choke. 
Filament related hum will NOT modulate the signal doing it that 
way.






73, Tom W8JI
W8JI@contesting.com 

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