> >Ceramic bypass-type
> >capacitors (includes 1000pF and 500pF, 5kV doorknob capacitors) have
> >horrible temp. coefficients. Tuned circuits require something better.
>
> They are often lower Q as well, which means even more heat and drift. I'd
> go for NP0 doorknobs, or mica compression trimmers - something that can
> handle 3 amps.
>
> 73
>
> Peter G3RZP
>
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