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[Amps] Re: insulation

To: "John T. M. Lyles" <jtml@lanl.gov>, " AMPS" <amps@contesting.com>
Subject: [Amps] Re: insulation
From: R.Measures <r@somis.org>
Date: Wed, 24 Mar 2004 17:09:30 -0800
List-post: <mailto:amps@contesting.com>

>Yes it is given that I work with bigger handled tubes mostly. I also 
>have to consider a second parameter when selecting insulators for 
>some of our RF amps, and thats gamma, beta and sometimes neutron 
>irradiation. Teflon isn't so great when exposed to 'rads'.
>\
Interesting.

>But if someone were to run across some UDEL polysulfone (looks amber 
>to Pepsi-Cola colored translucent) at a junk box, auction, or 
>dumpster behind a machine shop, they would have nearly perfect RF 
>choke forms. Rexolite is often used for Radomes and insulators in 
>commerical BC rigs.

cheers, John
>
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