False alarm. The tubes aren't leaking. See my next post on "87A Ip Meter
Problem".
73, Dick, WC1M
-----Original Message-----
From: Rich Measures <measures@vc.net>
To: Dick Green <dick.green@valley.net>; Amps <amps@contesting.com>
To: <amps@contesting.com>
Date: Sunday, March 14, 1999 12:32 AM
Subject: Re: [AMPS] 3CX800A7 plate current leakage
>
>What's a reasonable value for plate current leakage for a healthy 3CX800A7
>in GG with cathode bias voltage at cutoff? Is 17 mA OK, or would that
>indicate a leaky tube?
>
? It should be under 500uA, Dick. What is the bias V? Have you
tested the tube for leakage on a high-pot tester?
Rich...
R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures
--
FAQ on WWW: http://www.contesting.com/ampfaq.html
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com
Search: http://www.contesting.com/km9p/search.htm
--
FAQ on WWW: http://www.contesting.com/ampfaq.html
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com
Search: http://www.contesting.com/km9p/search.htm
|