Mail Archive Search: <+subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[AMPS\]\s+Grid\s+capacitors\s*$/>

Results:

References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[AMPS\]\s+Grid\s+capacitors\s*$/: 18 ]

Total 18 documents matching your query.

1. [AMPS] Grid capacitors (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Thu, 10 Jul 1997 10:48:14 +0000; Someone indicated removing the small mica's from the control grids to ground in the SB-220 would be harmful for stability. Actually the opposite is true. The series caps increase the anode to cathode; /archives//html/Amps/1997-07/msg00043.html (11,667 bytes)
2. [AMPS] Grid capacitors (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Thu, 10 Jul 1997 22:50:03 +0000; To: <amps@contesting.com> Carl, I know you get upset with technical explanations, but let me try to explain this. I'll try to keep it simple. That circuit was a mistake. Bill Orr made great efforts; /archives//html/Amps/1997-07/msg00045.html (19,067 bytes)
3. [AMPS] Grid capacitors (score: 1): Author: measures@vc.net (Rich Measures); Date: Fri, 11 Jul 97 00:35:41 -0700; To: <amps@contesting.com> ...snip... Funny thing that the alleged Rauchian gas disappears by the time that the kaput tubes are removed from the amplifier and tested with a high-potential tester. I t; /archives//html/Amps/1997-07/msg00046.html (9,004 bytes)
4. [AMPS] Grid capacitors (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Fri, 11 Jul 1997 08:04:13 EDT; I'll have to digest your reply a bit Tom. What struck me as odd is the fact I sent my msg directly to you, not the reflector. Yet you felt you had to reply to the world. On top of that you edited my; /archives//html/Amps/1997-07/msg00047.html (8,091 bytes)
5. [AMPS] Grid capacitors (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Fri, 11 Jul 1997 12:52:15 +0100; Removal of gas can occur by several physical and chemical 'scavenging' processes that may take place on timescales of seconds to hours. A sudden, small release of gas could cause an arc because the s; /archives//html/Amps/1997-07/msg00050.html (9,758 bytes)
6. [AMPS] Grid capacitors (score: 1): Author: measures@vc.net (Rich Measures); Date: Fri, 11 Jul 97 14:16:54 -0700; Some guys seem to be more into showbiz more than science, Carl. Rich-- R. L. Measures, 805-386-3734, AG6K -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Admini; /archives//html/Amps/1997-07/msg00051.html (8,540 bytes)
7. [AMPS] Grid capacitors (score: 1): Author: measures@vc.net (Rich Measures); Date: Fri, 11 Jul 97 17:40:36 -0700; Here's what happened as I understand it: The amplifier had been apparently working normally. The tubes were virtually new. The amplifier made a big-bang. The anode current would not bias off. There; /archives//html/Amps/1997-07/msg00055.html (9,700 bytes)
8. [AMPS] Grid capacitors (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Sat, 12 Jul 1997 13:28:37 +0100; Rich Measures asked: The scavenging process is a chemical reaction. It doesn't need electric power. 73 from Ian G3SEK Editor, 'The VHF/UHF DX Book' 'In Practice' columnist for RadCom (RSGB) www.ifwte; /archives//html/Amps/1997-07/msg00058.html (8,961 bytes)
9. [AMPS] Grid capacitors (score: 1): Author: measures@vc.net (Rich Measures); Date: Sat, 12 Jul 97 09:52:52 -0700; Let's see if I have this straight, Ian. Both 3-500Zs suddenly developed gas at the same instant--whereupon the filament helices bent sideways, which caused a (grid/filament) short and a near short.; /archives//html/Amps/1997-07/msg00061.html (9,337 bytes)
10. [AMPS] Grid capacitors (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Sat, 12 Jul 1997 21:05:36 +0100; Fair point! Thank you. Back to the original question, then: exactly what produced the mechanical force that made the filaments move? (BTW, Rich, this "Rauchian" word of yours is getting bloody irrita; /archives//html/Amps/1997-07/msg00064.html (9,940 bytes)
11. [AMPS] Grid capacitors (score: 1): Author: measures@vc.net (Rich Measures); Date: Sat, 12 Jul 97 23:45:30 -0700; thanks This is still somewhat puzzling to me Ian. The peak grid current during the 110MHz oscillation is sufficient to melt the copper wire in the grid RFC. . According to the fusing current ratings; /archives//html/Amps/1997-07/msg00065.html (10,689 bytes)
12. [AMPS] Grid capacitors (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Sun, 13 Jul 1997 09:28:42 +0100; I'm still using the neutral term "during the event". Now can you take it down to the next level of detail, please: what currents flow in which wires, in which directions, and how do they produce the; /archives//html/Amps/1997-07/msg00066.html (10,206 bytes)
13. [AMPS] Grid capacitors (score: 1): Author: measures@vc.net (Rich Measures); Date: Sun, 13 Jul 97 07:31:32 -0700; IMO, the DC current in question issues from the cathode, flows through the grid, and returns to the HV supply through the chassis and the grid current meter shunt resistor. Yes, the hot (1820 degree; /archives//html/Amps/1997-07/msg00068.html (10,799 bytes)
14. [AMPS] Grid capacitors (score: 1): Author: bohnovic@worldnet.att.net (John/K4WJ); Date: Sun, 13 Jul 1997 11:45:44 -0400; Rich, I'm confused by your first paragraph above. Are you addressing Ian's statement about the word Rauchian, or, what are you addressing? There is no continuity between the Ian quote and your first; /archives//html/Amps/1997-07/msg00070.html (9,914 bytes)
15. [AMPS] Grid capacitors (score: 1): Author: measures@vc.net (Rich Measures); Date: Sun, 13 Jul 97 10:35:01 -0700; George Owell wrote *Animal Farm* (a lampoon of communism). Hence the term 'orwellian'. Joe Stalin et al presumably found the term 'orwellian' irritating. I simply could not care less whether any per; /archives//html/Amps/1997-07/msg00072.html (10,149 bytes)
16. [AMPS] Grid capacitors (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Mon, 14 Jul 1997 13:42:55 +0100; To further things come to mind. One was the message from Reid Brandon at Eimac, posted a few weeks ago by W0UN. Here's the currently relevant part: Someone else recalled in an e-mail (posted by permi; /archives//html/Amps/1997-07/msg00093.html (11,815 bytes)
17. [AMPS] Grid capacitors (score: 1): Author: measures@vc.net (Rich Measures); Date: Mon, 14 Jul 97 19:45:51 -0700; Eimac's engineering department presumably decided that it was best to limit the 3-500Z's filament inrush current to double the normal 14.5A. As of December, 1996, Reid Brandon did not work in in the; /archives//html/Amps/1997-07/msg00098.html (11,934 bytes)
18. [AMPS] Grid capacitors (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Tue, 15 Jul 1997 13:29:48 +0000; To: <amps@contesting.com> Rich then posted: Rich, why is it when someone disagrees with your "theories", you always imply they are unworthy or have personal motives? Riding around with 3-500Z's in a; /archives//html/Amps/1997-07/msg00100.html (9,757 bytes)

Current List: 1 - 18
Page: [1]