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21. [AMPS] ARCING MORE (score: 1): Author: w7iuv@axtek.com (Larry Molitor); Date: Fri, 17 Apr 1998 23:10:28 +0100; This thread about arcing tune caps comes at an opertune time for me. Progress on the latest amp project here has slowed while I root around in the very bottom of the barrel for a tune cap. I was goin; /archives//html/Amps/1998-04/msg00148.html (10,111 bytes)
22. [AMPS] ARCING MORE (score: 1): Author: measures@vc.net (Rich Measures); Date: Sat, 18 Apr 98 06:23:50 -0800; It seems to me that the actual piv across the Tune C is equal to the anode supply V minus the minimum anode/to/chassis-gnd V during the peak drive signal. For a 3-500Z or an 8877, this is about 250v; /archives//html/Amps/1998-04/msg00152.html (11,778 bytes)
23. [AMPS] ARCING MORE (score: 1): Author: grimm@lynchburg.net (Kenneth D. Grimm); Date: Sat, 18 Apr 1998 11:24:15 -0400; I have often wondered why this list doesn't have a FAQ that the list-meister could publish once a month or so. All those who have opinions as to why an amp goes BANG could submit their standard answe; /archives//html/Amps/1998-04/msg00154.html (9,286 bytes)
24. [AMPS] ARCING MORE (score: 1): Author: w7iuv@axtek.com (Larry Molitor); Date: Sun, 19 Apr 1998 01:32:40 +0100; This should be the case for a class B amp. Class AB would be a little less and class C a little more due to conduction angle and tank flywheel effect. Correct me if my thinking is off here. In any ca; /archives//html/Amps/1998-04/msg00157.html (11,120 bytes)
25. [AMPS] ARCING MORE (score: 1): Author: w7iuv@axtek.com (Larry Molitor); Date: Sun, 19 Apr 1998 01:40:26 +0100; Ah, Yes! Orbiting amp meters; exploding chokes; plasma trails in ceramic; molten balls of copper erupting from open frame plate transformers. I love the smell of ozone in the hamshack! WE NEED MORE P; /archives//html/Amps/1998-04/msg00158.html (9,000 bytes)
26. [AMPS] ARCING MORE (score: 1): Author: measures@vc.net (Rich Measures); Date: Sat, 18 Apr 98 21:28:01 -0800; Only for linear amplifier service. For a. tetrode, the minimum anode voltage is close to the screen potential. For a pentode, roughly half of the screen potential. How did you arrive at the 2x figur; /archives//html/Amps/1998-04/msg00159.html (11,837 bytes)
27. [AMPS] ARCING MORE (score: 1): Author: w7iuv@axtek.com (Larry Molitor); Date: Mon, 20 Apr 1998 01:59:11 +0100; I need to get a high-pot! Do you remember what the actual plate spacing was? Seems like a lot of padding to me. I did that with a 100 pf variable on 160 one time, wasn't real happy with the range of; /archives//html/Amps/1998-04/msg00165.html (8,169 bytes)
28. [AMPS] ARCING MORE (score: 1): Author: measures@vc.net (Rich Measures); Date: Sun, 19 Apr 98 20:29:17 -0800; I did not measure the spacing. cheers Rich... R. L. Measures, 805-386-3734, AG6K -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-R; /archives//html/Amps/1998-04/msg00166.html (7,886 bytes)
29. [AMPS] ARCING MORE (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Mon, 20 Apr 1998 12:29:11 EDT; On Fri, 17 Apr 1998 23:10:28 +0100 w7iuv@axtek.com (Larry Molitor) writes: Larry, I suspect that many of the published spacing info is going back to the AM days as you surmised. Some of the ham compa; /archives//html/Amps/1998-04/msg00172.html (12,286 bytes)
30. [AMPS] ARCING MORE (score: 1): Author: w7iuv@axtek.com (Larry Molitor); Date: Tue, 21 Apr 1998 03:18:23 +0100; Thanks Carl, this is good stuff to know. My ARRL handbooks, from 1959 on, all agree on spacing specs with my E. F. Johnson catalog #964 (1937). My "Reference Data for Radio Engineers" (1977) says som; /archives//html/Amps/1998-04/msg00187.html (10,717 bytes)
31. [AMPS] ARCING MORE (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Tue, 21 Apr 1998 10:42:10 EDT; On Tue, 21 Apr 1998 03:18:23 +0100 w7iuv@axtek.com (Larry Molitor) writes: SNIP Take a look at the recent Handbooks for one idea of modifying one of the OEP/Ameritron caps. It is in the 3-500Z amp se; /archives//html/Amps/1998-04/msg00195.html (9,973 bytes)

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