[AMPS] Plate Choke

[Mark S Graalman]

   Chuck,

>On Sat, 28 Oct 2000 11:26:10 -0400 Chuck Counselman <ccc@space.mit.edu>
writes:
> 
> Please excuse a novice's ignorant questions about plate chokes.  
> OTOH,
> maybe I'm not the only AMPS subscriber who wonders.
> 
> Is the lowest-frequency self-resonance a "parallel" resonance, i.e., 
> such
> that the impedance of the choke is very high?

  Choke Z is maximum at the parallel resonant
frequency.
 
> Is power-amplifier operation at a parallel-resonant frequency 
> dangerous to
> the health of the choke?

   Technically the choke would work best at a parallel resonant
point where Z would be at maximum.
 
> I can see that operation at a _series_ resonance frequency would be 
> bad for
> the health of the choke and perhaps other components of the amp.

  At the series resonant point the choke looks like a near dead
short.
 
> Tnx -Chuck

  Mark  WB8JKR

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