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1. [AMPS] heating tubes.... (score: 1): Author: jtml@lanl.gov (John T. M. Lyles); Date: Wed, 6 Sep 2000 09:28:55 -0600; Interesting, my comrades at Brookhaven Nat Lab in NY do this with new Burle 7835 triodes. They detune the PA output, and run the tube off resonance. They then drive them to get the dissipation at 100; /archives//html/Amps/2000-09/msg00146.html (8,719 bytes)
2. [AMPS] heating tubes.... (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Wed, 6 Sep 2000 12:05:48 -0400; That would work fine with ham tubes like 3-500Z's or other tubes with the gettering material coated on the anodes. It would be an excellent idea on tubes that have been in storage a while. Most of t; /archives//html/Amps/2000-09/msg00147.html (9,088 bytes)
3. [AMPS] heating tubes.... (score: 1): Author: 2@vc.net (measures); Date: Wed, 6 Sep 2000 10:13:36 -0700; ? 3-500Zs do not have ion pumps. ? Reading Tom's Adventures with Gettering invites comparison with Harry Potter adventures. ? many 3-500Zs have graphite anodes. Do you recommend heating them, Tom.?; /archives//html/Amps/2000-09/msg00149.html (9,655 bytes)
4. [AMPS] heating tubes.... (score: 1): Author: Ian White, G3SEK" <g3sek@ifwtech.com (Ian White, G3SEK); Date: Wed, 6 Sep 2000 20:06:34 +0100; The reasons for observing low gas currents if you delay more than a few seconds after the event have been explained many times - "it's the gettering action". Does testing 3-500Zs cause amnesia? 73 fr; /archives//html/Amps/2000-09/msg00154.html (8,164 bytes)
5. [AMPS] heating tubes.... (score: 1): Author: 2@vc.net (measures); Date: Wed, 6 Sep 2000 13:47:50 -0700; In almost all cases, the mains breaker or mains fuses opened at the big-bang. . Gettering in cold 3-500Z's?. Only in the Rauchian world. cheers, Ian. - Rich..., 805.386.3734, www.vcnet.com/measures.; /archives//html/Amps/2000-09/msg00156.html (8,123 bytes)
6. [AMPS] heating tubes.... (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Wed, 6 Sep 2000 19:26:22 -0400; Not only that Ian, 8000 volts is FAR too low for breakdown in a 3- 500Z. Normal peak voltages almost reach that amount, and any overdriven or under-loaded operating conditions, even if a transient c; /archives//html/Amps/2000-09/msg00162.html (8,355 bytes)
7. [AMPS] heating tubes.... (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Thu, 7 Sep 2000 10:11:10 +0100; Only in a limited circle. 73 Peter G3RZP -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@c; /archives//html/Amps/2000-09/msg00192.html (7,692 bytes)
8. [AMPS] heating tubes.... (score: 1): Author: Ian White, G3SEK" <g3sek@ifwtech.com (Ian White, G3SEK); Date: Thu, 7 Sep 2000 10:05:39 +0100; If there is a chemically active surface (hot anode), gettering in a tube the size of a 3-500Z occurs on a timescale of seconds. It only takes a very small release of trapped gas impurities to trigger; /archives//html/Amps/2000-09/msg00198.html (9,005 bytes)
9. SV: [AMPS] heating tubes.... (score: 1): Author: sm5ki@algonet.se (sm5ki); Date: Thu, 07 Sep 2000 16:15:39 +0200; Swedish military warmed- up transmitting tubes with a few years interval when in storage. 73s de Hans -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative; /archives//html/Amps/2000-09/msg00211.html (9,833 bytes)
10. [AMPS] heating tubes.... (score: 1): Author: 2@vc.net (measures); Date: Thu, 7 Sep 2000 08:39:46 -0700; ?______ - Rich..., 805.386.3734, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com P; /archives//html/Amps/2000-09/msg00215.html (8,939 bytes)

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