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Re: LF: Question on building homebrew variable caps...

from [David Sparvell] [Permanent Link][Original]
To: [email protected]
Subject: Re: LF: Question on building homebrew variable caps...
From: "David Sparvell" <[email protected]>
Date: Mon, 11 Nov 2002 07:27:52 +0000 (GMT)
In-reply-to: <[email protected]>
Reply-to: [email protected]
Sender: <[email protected]>

Try a "flapper" capacitor - the type used on VHF/UHF. 100pF is relatively easy to make and 40 amps is no problem. For a dielectric use a piece of PTFE.

Regards

David G4FTC

 WE0H <[email protected]> wrote:

I would like to know if anyone has built variable capacitors for
transmitters or tuners. I would like to build a variable capacitor that is
at least 100pf and can handle 40 amps of RF current. Does anyone have any
ideas or links to some articles???
Thanks es 73's,
Mike>WE0H
http://www.we0h.us/lf.html



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