On Tue, Jun 23, 2009 at 1:01 PM, RICHARD SOLOMON <w1ksz@q.com> wrote:
>
> My search for a 50 pF Air Variable is not progressing well, so I thought I
> might
>
> look for a Vacuum Variable for the task.
>
> Size is critical, I need something less than 3" OD, 2 3/4" would be ideal.
>
The Voltronics or the Polyflons on this page might fit the bill, depending
on what voltage you need:
http://www.mgs4u.com/RF-Microwave/vacuum-variable-capacitors-200.htm
Vacuum caps are always expensive, but Max Gain seems to have more affordable
ones overall.
73
Dan
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