Rich replied:
>If the VHF current path through Lsup encounters a different anount of
>inductance than the VHF current through the through Rsup path encounters
> (and the magnetic fields from the two current paths are not coupled)
>two anode-circuit resonances are created. The effect is like tuning an
>IF transformer for wider bandwidth -- i.e., the primary of the IF
>transformer is tuned to a different frequency than the secondary is tuned
>to. The result is increased bandwidth/lower-Q.
I'm having trouble following this. It appears to say that the suppressor
choke should be made to be self resonant at the same frequency as the
parasitic resonance circuit, and then damped to have a Q of 1.
73
Peter G3RZP
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