Alek Petkovic wrote:
> On close inspection of the ammeter, I noticed that the idling current was
> wavering ever so slightly. I turned the loading cap to the right and the
> idling current was definitely moving. Advancing the load cap further to the
> right to 6 or 7 on the scale brought up a nice little purple arc between
> the plates of the loading cap.
This sounds like a *real* VHF parasitic! Does the amplifier have
parasitic suppressors? If so, check that the resistors aren't open or
very high in value.
Amps mailing list