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Re: circuit board cap

To: tesla-at-pupman-dot-com
Subject: Re: circuit board cap
From: "Tesla list" <tesla-at-pupman-dot-com>
Date: Fri, 31 Aug 2001 10:35:34 -0600
Resent-Date: Fri, 31 Aug 2001 10:42:08 -0600
Resent-From: tesla-at-pupman-dot-com
Resent-Message-ID: <B10MjB.A.pIH.b57j7-at-poodle>
Resent-Sender: tesla-request-at-pupman-dot-com

Original poster: "Ed Phillips by way of Terry Fritz <twftesla-at-qwest-dot-net>" <evp-at-pacbell-dot-net>

Tesla list wrote:
> 
> Original poster: "Johnson, Jeffrey D -at- PWC by way of Terry Fritz
<twftesla-at-qwest-dot-net>" <jeffrey.d.johnson-at-l-3com-dot-com>
> 
> Has anyone tried using copper-clad FR4 or something similar for making caps?
> Thanks,
> 
> Jeff Johnson

	Tried 0.060" with 1 ounce copper.  Q was only about 25 -at- 200 kHz, and
capacitance was about 1600 pf/ft^2.  Lousy!

Ed

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