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Total 8 documents matching your query.

1. [AMPS] getters (score: 1): Author: jtml@lanl.gov (John T. M. Lyles); Date: Tue, 17 Oct 2000 13:28:34 -0600; W8JI sez: Larger external anode tubes do have special getters that are used during the manufacturing, just after pinch off of the vacuum tube. RCA/Burle uses a glass enveloped thing with some getter; /archives//html/Amps/2000-10/msg00445.html (8,319 bytes)
2. [AMPS] getters (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Tue, 17 Oct 2000 16:57:11 -0400; Hi John, Eimac and other large power grid tube manufacturers use gettering materials activated by filament heat or anode heat. Without that, the tubes eventually gas up and fail. 73, Tom W8JI w8ji@c; /archives//html/Amps/2000-10/msg00447.html (7,234 bytes)
3. [AMPS] getters (score: 1): Author: w7ti@jps.net (Bill Turner); Date: Tue, 17 Oct 2000 14:11:57 -0700; ______________________________________________________________ You have me curious about something. I recently fired up my old Heath SB-1000 after it sat idle for about six years. It was fine when pu; /archives//html/Amps/2000-10/msg00448.html (7,756 bytes)
4. [AMPS] getters (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Tue, 17 Oct 2000 17:16:17 -0400; If you can heat the anode by running the tube at low anode voltage and forward grid bias, and let it cook, sometimes they will getter out the gas. I've been successful quite a few times doing that w; /archives//html/Amps/2000-10/msg00449.html (7,986 bytes)
5. [AMPS] getters (score: 1): Author: 2@vc.net (measures); Date: Tue, 17 Oct 2000 23:22:03 -0700; I have never seen a tube with a leaky seal Get better with use. I have never seen a tube with good seals gas up in storage. Tom's gettering tales were the result of trying to explain the fact that t; /archives//html/Amps/2000-10/msg00456.html (8,452 bytes)
6. [AMPS] getters (score: 1): Author: 2@vc.net (measures); Date: Tue, 17 Oct 2000 23:22:05 -0700; sea stories end - 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@contesti; /archives//html/Amps/2000-10/msg00457.html (8,001 bytes)
7. [AMPS] getters (score: 1): Author: firson@Radiolink.net (Firson Maryutenli); Date: Wed, 18 Oct 2000 13:35:28 JAVT; My experience with various kind and various brand of 6146B, some times spike happen in the tube when you suddenly power up, especially with old tube. But it rarely happen when you warm up filamen for; /archives//html/Amps/2000-10/msg00458.html (9,549 bytes)
8. [Amps] Getters (score: 1): Author: "John Lyles" <jtml@losalamos.com>; Date: Wed, 14 Sep 2011 08:18:09 -0600; Good enough. I did have a 3-500Z switch tube in my 314R1 broadcast transmitter go bright yellow on the plate when the clamp diode was shorted across it. The plate overload saved it but for a moment i; /archives//html/Amps/2011-09/msg00091.html (7,320 bytes)

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