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1. [Amps] Crowbars (score: 1): Author: "John Lyles" <jtml@losalamos.com>; Date: Thu, 18 Sep 2008 16:43:36 -0600; Ya, Jim, we are still using mercury ignitrons. They are good to hold off 46 kV DC and they can take a 50,000 amp impulse through them, as long as it is damped and doesn't have follow-on power (the pr; /archives//html/Amps/2008-09/msg00178.html (7,913 bytes)
2. Re: [Amps] Crowbars (score: 1): Author: "Jim Tonne" <tonne@comcast.net>; Date: Thu, 18 Sep 2008 19:14:03 -0400; John et al: While we are on the subject of crowbars and other ways of "dumping" a power supply, let me share with y'all (I am learning to speak English in Tennessee!) a true story. Way back in 1987 I; /archives//html/Amps/2008-09/msg00179.html (8,825 bytes)

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