[AMPS] phantom plate and grid current

[Vic Rosenthal]

zeitler@ibm.net wrote:
> 
> When my Swan Mark II is in the xmit mode, I get a high plate current and
> grid current reading as I tune the plate tune and load caps throughout their
> tuning range. Only on 15 and 10 meters. Also with the more plate I that is
> "tuned' the plates of the tubes start to really glow bright red. All this
> happens with NO rf input. What is it? Time for more parasitic osc.
> suppression stuff? It is rock stable on 80-40 and 20.

Probably time for fundamental frequency neutralizing stuff.  Use a GDO as an
absorbtion wavemeter to find out, with reduced plate v so as not to damage the
tubes.

73,
Vic, K2VCO
Fresno CA

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