At work we contracted with CPI/Eimac recently to build some pulsed HV
switch triodes. We specifically requested they be made from glass and
metal and not ceramic/metal. They complied.
73
John
K5PRO
On 1/27/14 8:09 PM, amps-request@contesting.com wrote:
Message: 8
Date: Mon, 27 Jan 2014 19:07:45 -0800
From: William Turner<dezrat1242@wildblue.net>
To:amps@contesting.com
Subject: Re: [Amps] Tube swap
Message-ID:<52E71F01.8080201@wildblue.net>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
In my (limited) experience, it seems that ceramic tubes are better at
keeping their vacuum than glass tubes. Anyone else had that experience?
Years ago, Tektronix changed over from glass CRTs to ceramic partly for
that reason.
73, Bill W6WRT
ex-Tekkie
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