[Amps] Parasitics & Filament Sag

[Michael Tope]

----- Original Message ----- 
From: "R L Measures" <r at somis.org>
 
>>> shows  that it is resonant about 7% lower in frequency.
>>>   If an L-network was resonant on the operating frequency,   
>>> infinite  current would flow through it because the reactive  
>>> components are  equal, opposite, in series, and not in parallel.
>>
>> Rich,
>> Unless the effective parallel R across each component is zero,
>> this can't happen.
> 
> What caused the dip?
> 

Even a resonant circuit with finite loaded Q will store energy 
and cause a dip. There is no need to invoke an infinite Q 
resonance to have a dip. 

73, Mike W4EF........................................