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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[AMPS\]\s+SB\-220\s+Glitch\s+Resistor\s+\?\?\?\s*$/: 59 ]

Total 59 documents matching your query.

1. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: ITR@Nanoteq.co.za (Ian Roberts); Date: Fri, 01 Dec 2000 08:00:56 +0200; Presumably there are two possible places to insert the resistor: in the HT a.c. lead right out of the transformer, thus protecting everything including the bridge rectifier and caps, or immediately b; /archives//html/Amps/2000-12/msg00000.html (7,851 bytes)
2. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: ITR@Nanoteq.co.za (Ian Roberts); Date: Fri, 01 Dec 2000 08:15:07 +0200; There is a common misconception that air has good dielectric (insulation) properties. For example, the PTFE glove our wives slip over the iron is good for a few kV provided it is not punctured, altho; /archives//html/Amps/2000-12/msg00001.html (10,897 bytes)
3. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: 2@vc.net (measures); Date: Thu, 30 Nov 2000 22:53:37 -0800; The thing that needs to be limited is the peak discharge current from the filter caps. agreed. the glitch diodes protect the meters. A glitch R in the B+ lead protects the tube. cheers, Ian - Rich..; /archives//html/Amps/2000-12/msg00002.html (8,955 bytes)
4. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: i4jmy@iol.it (i4jmy@iol.it); Date: Fri, 1 Dec 2000 10:20:18 +0100; Isolation problems may increase because of the transition between very different dielectric constants (i.e air and PTFE). 73, Mauri I4JMY -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submission; /archives//html/Amps/2000-12/msg00003.html (8,626 bytes)
5. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Fri, 1 Dec 2000 05:44:00 -0500; There are many places to insert the resistor Ian, but anything on the rectifier side of the filter capacitor is a waste of time. All that does is decrease voltage regulation a needlessly large amoun; /archives//html/Amps/2000-12/msg00004.html (8,779 bytes)
6. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: Ian White, G3SEK" <g3sek@ifwtech.com (Ian White, G3SEK); Date: Fri, 1 Dec 2000 07:44:02 +0000; No - the problem we're trying to protect against is not a surge into the caps (a step start protects against that) but a surge *out* of the caps, triggered by the tube going almost short-circuit. The; /archives//html/Amps/2000-12/msg00005.html (10,070 bytes)
7. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: da_kang@hotmail.com (Jeff Wolf); Date: Fri, 01 Dec 2000 14:30:41; HT a.c. lead right out of the transformer, thus protecting everything including the bridge rectifier and caps, <<snip>> And then the tube gets the entire amount of energy stored in the caps when it; /archives//html/Amps/2000-12/msg00006.html (9,299 bytes)
8. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: 2@vc.net (measures); Date: Fri, 1 Dec 2000 06:38:19 -0800; agreed. well put, Tom - 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@co; /archives//html/Amps/2000-12/msg00007.html (9,529 bytes)
9. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: 2@vc.net (measures); Date: Fri, 1 Dec 2000 06:38:17 -0800; HV Indeed. The mystery is that following a big bang, a grid/fil. shorted 3-500Z most often show normal leakage on a high-pot (0 - 10uA). . end - Rich..., 805.386.3734, www.vcnet.com/measures. end --; /archives//html/Amps/2000-12/msg00008.html (9,842 bytes)
10. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: 2@vc.net (measures); Date: Fri, 1 Dec 2000 06:43:34 -0800; Yea, verily. - 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/2000-12/msg00009.html (9,305 bytes)
11. [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: Eric Moore" <emoore@windemullerelectric.com (Eric Moore); Date: Fri, 1 Dec 2000 10:26:38 -0500; Gentlemen, I have tried to follow the thread, but I get lost in it. Is there a consensus, yet, as where to mount said R? As I undersatnds it, reviewing the SB-220 Schematic, the blue wire should be c; /archives//html/Amps/2000-12/msg00010.html (9,381 bytes)
12. [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: ve3tu@rac.ca (Steve); Date: Fri, 01 Dec 2000 16:37:11 +0000; Boy this is almost as good as the great parasitic debate. What you do is put a 25 ohm 25 watt resistor and a high voltage fuse (2A) after the capacitor bank in series with the wire going to the plate; /archives//html/Amps/2000-12/msg00011.html (10,065 bytes)
13. [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Fri, 01 Dec 2000 15:07:39 EST; Not sure I've followed this whole thread but.... The best place to connect a glitch resistor would seem to be directly in series with the power supply capacitor. This has the advantage of protecting; /archives//html/Amps/2000-12/msg00022.html (9,317 bytes)
14. [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: 2@vc.net (measures); Date: Fri, 1 Dec 2000 13:32:25 -0800; correctamundo. Another place for a ww glitch R is to replace the 8uH choke in the B+. cheers, Eric - Rich..., 805.386.3734, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesting.com/FAQ/a; /archives//html/Amps/2000-12/msg00024.html (8,668 bytes)
15. [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: Eric Moore" <emoore@windemullerelectric.com (Eric Moore); Date: Fri, 1 Dec 2000 17:04:40 -0500; If you remove the choke, don't you get RF where it ain't supposed to be??? -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@co; /archives//html/Amps/2000-12/msg00026.html (8,601 bytes)
16. [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Fri, 1 Dec 2000 17:41:24 -0600; I agree, Marv! This is how many industrial RF generator manufacturers do it. If room is available in the P.S. section, put a 10 ohm 100 watt resistor in series with the B+ as it exits the area. Abov; /archives//html/Amps/2000-12/msg00029.html (9,684 bytes)
17. [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Fri, 1 Dec 2000 17:56:35 -0600; Not at all...a 10 ohm 12 watt resistor makes a great 8uh (+/-) choke and glitch resistor at the same time. (((73))) Phil, K5PC -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@con; /archives//html/Amps/2000-12/msg00030.html (8,495 bytes)
18. [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: 2@vc.net (measures); Date: Fri, 1 Dec 2000 20:02:19 -0800; Two chokes are in series. The first choke is 50uH, followed by a bypass cap. The 2nd choke is 8uH. - Rich..., 805.386.3734, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesting.com/FAQ/a; /archives//html/Amps/2000-12/msg00032.html (8,178 bytes)
19. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Mon, 4 Dec 2000 08:20:07 -0000; There are some opto couplers that appear in surplus sales (and are presumably still manufactured) which are designed for rotary motion sensors. These have a fairly large spacing (3/4 inch?) between d; /archives//html/Amps/2000-12/msg00056.html (8,346 bytes)
20. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: w.knol@niwa.cri.nz (Wilbert Knol); Date: Fri, 1 Dec 2000 12:05:32 1300; <snip> OK, I'm convinced. The negative side of the cap stack will go B volts below ground potential. Agreed. <snip> Good point. The board could be a problem. The only useful data I could find is in; /archives//html/Amps/2000-12/msg00384.html (10,718 bytes)

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