> HI everyone, new to the list,so thought I'd start out with a "deep"
>question.
>Had a fella give me ,yes "give me", a pair of new 4-400's.So one of the older
>ARRL handbooks has a schematic using a pair of these tubes. There is no tuned
>input on the amplifier so I was wondering if there is a way to do it without
>all sorts of coils/cap circuitry? Maybe something like a toroid with with
>"x" amount of turns centertapped and fed thru a .01 cap to the filaments??
I'm at
>a total loss so any and all help is appreciated. Thanks Alex W5ALX Dallas.
>
- Cathode-driven amplifiers need a flywheel / tuned input for each
band. Grid-driven amplifiers don't.
Rich...
R. L. Measures, 805-386-3734, AG6K
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