> I've got an Amp International LK-500ZC which I'd considered selling, but
> have decided to hang onto. I want to replace the disc capacitors in the
> tank circuit with doorknobs but am not really sure what values to look
> at. According to my schematic, there is a 5kV, 1400pF cap on the 160m
> bandswitch position, 940pF on the 80m position and 470pF on the 40m
> position. Looking at the actual circuit, I'm not sure those are the
> values actually in place. Is there anyone on the list who has upgraded
> these components and can point me in the right direction? I am not an
> engineer, nor even terribly technically competent, so please go easy on
> me with your responses.
Why don't you use mica caps as Ameritron does. They are much more robust as
padders, and don't drift like door knobs do. They are reasonably priced from
the factory.
(((73)))
Phil, K5PC
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