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Total 7 documents matching your query.

1. [AMPS] arcs (score: 1): Author: Peter.Chadwick@gpsemi.com (Peter Chadwick); Date: Tue, 9 Dec 1997 12:14:37 -0000; very >clear that in the vast majority of cases, after one or two BANGs early in life, >the tube continues on for a normal lifetime of normal performance, just as if >nothing had happened. If the caus; /archives//html/Amps/1997-12/msg00173.html (8,403 bytes)
2. [AMPS] arcs (score: 1): Author: Peter.Chadwick@gpsemi.com (Peter Chadwick); Date: Fri, 17 Oct 1997 14:33:51 +0100; Am I interpreting you correctly that you are saying internal arcs CAN occur, but rarely cause the major damage levels seen, such as bent filaments etc, when the tube is not gassy? 73 Peter G3RZP -- F; /archives//html/Amps/1997-10/msg00109.html (7,225 bytes)
3. [AMPS] arcs (score: 1): Author: measures@vc.net (Rich Measures); Date: Fri, 17 Oct 97 08:01:32 -0800; I believe that an internal arc can occur when a tube becomes thoroughly gassy -- or when the anode cooler welds weaken, resulting in misalignment, and the anode cooler subsequently becomes too close; /archives//html/Amps/1997-10/msg00110.html (8,196 bytes)
4. [AMPS] arcs (score: 1): Author: Peter.Chadwick@gpsemi.com (Peter Chadwick); Date: Fri, 17 Oct 1997 16:17:11 +0100; Rich, you say: arc. I don't know what the 8877 grid looks like after it has had the gold boiled. But I would surmise that IF it was boiled by an arc, there would be one spot on the grid totally boile; /archives//html/Amps/1997-10/msg00111.html (7,397 bytes)
5. [AMPS] arcs (score: 1): Author: measures@vc.net (Rich Measures); Date: Mon, 20 Oct 97 01:04:47 -0800; I agree, and this scenario is not what I see. I have never observed an arc-mark on a gold-sputtered grid. Through the microscope, I see gold blisters, which tells me that the gold boiled and evapora; /archives//html/Amps/1997-10/msg00122.html (8,707 bytes)
6. [AMPS] arcs (score: 1): Author: Peter.Chadwick@gpsemi.com (Peter Chadwick); Date: Fri, 18 Jul 1997 15:55:00 +0100; in Rich, do you think it possible that the increase in voltage at LF is due to the fact that at low frequencies, the arc gets the chance to extinguish during the zero crossing, while at HF, the plasm; /archives//html/Amps/1997-07/msg00128.html (7,652 bytes)
7. [AMPS] arcs (score: 1): Author: measures@vc.net (Rich Measures); Date: Sat, 19 Jul 97 08:40:24 -0700; I don't know. ...snip... 115v/400Hz tends to cause interference problems inside an aircraft. 270V DC is better because it saves (copper) weight and is virtually interference free--even though interr; /archives//html/Amps/1997-07/msg00140.html (8,083 bytes)

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