Tom said:
>their inherent low Q when compared to other lumped
>components does limit the obtainable impedances.
Very true, and you need to use low loss cable, too. I did the sums for a half
wave filter for 7MHz using a cable stub for the capacitor: using 1/2inch Heliax
was OK on loss, but a bit too big for an antenna tuning shed only 6 by 4 feet!
73
Peter G3RZP
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