On Dec 6, 2005, at 8:24 AM, Vic K2VCO wrote:
> 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.
When overloaded, carbon comps go high, but MOFs go low.
>
> --
> 73,
> Vic, K2VCO
> Fresno CA
> http://www.qsl.net/k2vco
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>
>
Richard L. Measures, AG6K, 805.386.3734. www.somis.org
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