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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