[Amps] Parasitics & Filament Sag

[Steve Thompson]

>>> Steve --- There are two resonant circuits in the output  circuitry,  one
>>> HF and one VHF. The HF (near)*-resonant part has a broad, shallow   dip.
>>> The VHF part has a sharp, deep dip that can suck a dipmeter out   of 
>>> osc.
>>> when coupled too close.
>>>  Does make sense that the HF one rings and the VHF one does not ring?
> 
> 
>> It does to me when I think about the time it takes to go from  conduction
>> to cutoff with the usual bias switching in a g-g amp.
> 
> 
> Why would the rise/fall transient time be faster through the HF  
> resonance than the rise/fall time through the VHF resonance?
It's not.

Steve