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Total 59 documents matching your query.

41. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: 2@vc.net (measures); Date: Wed, 29 Nov 2000 07:24:19 -0800; With the glitch R in the negative return, the cathode circuitry may be driven to several kV by a B+ to chassis arc. A typical HV-RFC has less than one ohm. end - Rich..., 805.386.3734, www.vcnet.com; /archives//html/Amps/2000-11/msg00429.html (13,217 bytes)
42. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: Ian White, G3SEK" <g3sek@ifwtech.com (Ian White, G3SEK); Date: Wed, 29 Nov 2000 20:40:41 +0000; You obviously haven't even looked at the circuit we're talking about... or if you have, you haven't understood it. I don't know which alternative is worse. 73 from Ian G3SEK Editor, 'The VHF/UHF DX B; /archives//html/Amps/2000-11/msg00439.html (10,157 bytes)
43. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: w.knol@niwa.cri.nz (Wilbert Knol); Date: Thu, 30 Nov 2000 16:13:43 1300; Good point. I don't like the idea of most of the HT appearing across the filament transformer secondary... Perhaps the OE5JFL circuit should have string of diodes in parallel with the sensing resist; /archives//html/Amps/2000-11/msg00442.html (10,079 bytes)
44. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: Ian White, G3SEK" <g3sek@ifwtech.com (Ian White, G3SEK); Date: Thu, 30 Nov 2000 09:43:08 +0000; Does it? The current around the loop is the same, regardless of whether the glitch resistor is connected to the top of the capacitor stack (B+) or the bottom (B-minus). If we keep chassis potential a; /archives//html/Amps/2000-11/msg00446.html (11,816 bytes)
45. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Thu, 30 Nov 2000 09:53:18 -0000; If you happen to have bi-phase rectification or choke input with negative lead filtering, then the transformer and/or choke insulation need checking as well as the cap stack. Aren't there advantages; /archives//html/Amps/2000-11/msg00448.html (9,703 bytes)
46. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Thu, 30 Nov 2000 07:41:30 -0500; The same fellow who always proclaims a "glitch resistor" in the grid is a good idea, now finds fault with a resistor in the B-. A glitch resistor in the B- only would cause the negative terminal at t; /archives//html/Amps/2000-11/msg00451.html (10,642 bytes)
47. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Thu, 30 Nov 2000 12:49:25 -0000; Tom, You're forgetting that the only HV faults that ever appear are because of parasitics! 73 Peter G3RZP -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administra; /archives//html/Amps/2000-11/msg00452.html (12,158 bytes)
48. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: k7fm@teleport.com (Lamb); Date: Thu, 30 Nov 2000 07:24:20 -0800; "You're forgetting that the only HV faults that ever appear are because of parasitics!" The only possible explanation for this is parasitics in the power supply. Perhaps it should be recommended to p; /archives//html/Amps/2000-11/msg00453.html (9,998 bytes)
49. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: 2@vc.net (measures); Date: Thu, 30 Nov 2000 09:05:16 -0800; The trouble with HV fuses is that they do not limit current until after they have opened and the metal vapour arc has extinguished. On the other hand, a proper glitch R limits current to a safe valu; /archives//html/Amps/2000-11/msg00456.html (9,635 bytes)
50. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: 2@vc.net (measures); Date: Thu, 30 Nov 2000 09:05:13 -0800; With filament-type cathodes, without glitch (meter protection) diodes, it does. When the glitch R is connected to the neg. return, the meter protection diodes limit the voltage drop across the glitc; /archives//html/Amps/2000-11/msg00457.html (10,783 bytes)
51. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: 2@vc.net (measures); Date: Thu, 30 Nov 2000 09:05:18 -0800; The only things that defile a man come from his own mouth. end - Rich..., 805.386.3734, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com; /archives//html/Amps/2000-11/msg00458.html (12,323 bytes)
52. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: 2@vc.net (measures); Date: Thu, 30 Nov 2000 09:05:14 -0800; zzzzzzz - 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@contesting.com P; /archives//html/Amps/2000-11/msg00459.html (8,928 bytes)
53. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: Ian White, G3SEK" <g3sek@ifwtech.com (Ian White, G3SEK); Date: Thu, 30 Nov 2000 19:19:13 +0000; You're absolutely right, it won't limit current if you put it there... but that wasn't where I meant. Referring to "Figure 2" on your web site, leave the meters and diodes exactly where they are. Mov; /archives//html/Amps/2000-11/msg00463.html (11,224 bytes)
54. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: 2@vc.net (measures); Date: Thu, 30 Nov 2000 12:42:39 -0800; zzz 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@contesting.com P; /archives//html/Amps/2000-11/msg00464.html (8,352 bytes)
55. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: 2@vc.net (measures); Date: Thu, 30 Nov 2000 12:42:40 -0800; The only AMPS person who has mentioned putting a glitch R in the grid is Mr. Rauch. Not quite as odd as cold gettering and invisable barnacles. end - Rich..., 805.386.3734, www.vcnet.com/measures. e; /archives//html/Amps/2000-11/msg00465.html (9,741 bytes)
56. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: 2@vc.net (measures); Date: Thu, 30 Nov 2000 12:42:38 -0800; sour grapes? - 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@contesting.; /archives//html/Amps/2000-11/msg00466.html (9,161 bytes)
57. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: 2@vc.net (measures); Date: Thu, 30 Nov 2000 12:42:36 -0800; ok ok we are in the subway? As I see it, the glitch diodes are going to limit the potential across the glitch R, Ian. end - Rich..., 805.386.3734, www.vcnet.com/measures. end -- FAQ on WWW: http://w; /archives//html/Amps/2000-11/msg00467.html (10,951 bytes)
58. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: baycock@HIWAAY.NET (Bill Aycock); Date: Thu, 30 Nov 2000 14:48:24 -0600; No, Tom, it's Rich Sorry- I couldn't resist. Bill-W4BSG - Bill Aycock -- Persimmon Hill Woodville, Alabama, US 35776 (in the N.E. corner of the State) W4BSG -- Grid EM64vr baycock@HiWAAY.net w4bsg@ar; /archives//html/Amps/2000-11/msg00468.html (9,931 bytes)
59. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: Ian White, G3SEK" <g3sek@ifwtech.com (Ian White, G3SEK); Date: Thu, 30 Nov 2000 22:13:42 +0000; The glitch diodes belong in the right-hand group of components, near the meters. There should be NO connection between the left-hand group of components (capacitor stack and HV rectifiers) and ground; /archives//html/Amps/2000-11/msg00469.html (9,246 bytes)

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