[Amps] Building or Buying a Tuned Input Network
Roger D Johnson
n1rj at adelphia.net
Mon Jan 23 13:07:15 EST 2006
Vic K2VCO wrote:
> Then, when you have designed or stolen the values, build the networks
> with mica compression trimmers for input capacitors, fixed silver mica
> capacitors for the outputs, and T68 size toroid cores.
I would recommend that the input capacitor be fixed as it set the Q
of the circuit. I'd put the trimmer on the output to compensate for
variations in circuit layout and tube input capacitance.
73, Roger
--
Remember the USS Liberty (AGTR-5)
http://ussliberty.org/
More information about the Amps
mailing list