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1. [AMPS] Glitch resistor (score: 1): Author: Dick Green" <dick.green@valley.net (Dick Green); Date: Wed, 12 May 1999 21:27:19 -0400; While we're delving into glitch resistor design theory, how about some practical advice? Before replacing the plate choke, I'm going to install a glitch resistor in the LK550 I've been working on. KM; /archives//html/Amps/1999-05/msg00156.html (8,005 bytes)
2. [AMPS] Glitch resistor (score: 1): Author: notawc@juno.com (notawc@juno.com); Date: Thu, 13 May 1999 17:27:44 -0400; On Wed, 12 May 1999 21:27:19 -0400 "Dick Green" <dick.green@valley.net> writes: Mounting on a pair of ceramic insulators was suggested earlier if I 'member. The factory clips may be OK but never reme; /archives//html/Amps/1999-05/msg00169.html (9,890 bytes)
3. [Amps] Glitch resistor (score: 1): Author: "Bill English" <bill@k4fx.net>; Date: Mon, 1 Dec 2008 07:36:43 -0500; Hi all, I have a question, I was reading on a web site about TL-922 amps that said that adding a glitch resistor between the HV sup. and the tubes would add a slight amount of inductance, in fact eno; /archives//html/Amps/2008-12/msg00001.html (6,968 bytes)
4. Re: [Amps] Glitch resistor (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Mon, 1 Dec 2008 09:03:15 -0500; The inductance is of no concern as it is after the plate choke and is in nichrome wire. L2 in the SB-220 can cause a problem since it is self resonant right around the 3-500 parasitic frequency. With; /archives//html/Amps/2008-12/msg00007.html (8,643 bytes)
5. [Amps] Glitch Resistor (score: 1): Author: "Bob Maser" <bmaser@tampabay.rr.com>; Date: Mon, 02 Feb 2009 08:04:02 -0800; I'm having a hard time finding a 50 ohm 50W resistor for a glitch resistor for my 4CX1500B amp. Seems I remember that I could also use some AWG 30 for a glitch. Can someone enlighten me? Bob W6TR ___; /archives//html/Amps/2009-02/msg00021.html (6,735 bytes)
6. Re: [Amps] Glitch Resistor (score: 1): Author: Glen Zook <gzook@yahoo.com>; Date: Mon, 2 Feb 2009 08:18:31 -0800 (PST); In most editions of the ARRL Amateur Radio Operator's Handbook there is a chart that lists the resistance (usually per 1000 feet) of copper wire. To create a resistor you just use this information to; /archives//html/Amps/2009-02/msg00023.html (8,591 bytes)
7. Re: [Amps] Glitch Resistor (score: 1): Author: "Paul Christensen" <w9ac@arrl.net>; Date: Mon, 2 Feb 2009 11:33:41 -0500; Bob, For about $3.00 ea., Mouser sells new Dale/Vishay silicone enamel power resistors. The P/N is HL05006Z50R00JJ: http://www.mouser.com/Search/ProductDetail.aspx?qs=sGAEpiMZZMuQ5%2fsBR7SoAr9dHZ%2f; /archives//html/Amps/2009-02/msg00024.html (9,223 bytes)
8. Re: [Amps] Glitch Resistor (score: 1): Author: TexasRF@aol.com; Date: Mon, 2 Feb 2009 11:45:24 EST; 50 Ohm, 50W wirewound $3.38 at Mouser Electronics. Vishay stock# 71-HL50-06Z-value. 73, Gerald K5GW In a message dated 2/2/2009 10:05:00 A.M. Central Standard Time, bmaser@tampabay.rr.com writes: I'm; /archives//html/Amps/2009-02/msg00026.html (8,389 bytes)
9. Re: [Amps] Glitch Resistor (score: 1): Author: "David Craig" <davidhcraig@verizon.net>; Date: Mon, 02 Feb 2009 11:53:12 -0500; Just curious (and yes I have read Orr et al)- Why is 50 ohms the (supposed) target value for glitch? I use a pair of 25 ohm 50w in parallel on one GS35b amp, and my latest one uses a single 10 ohm 11; /archives//html/Amps/2009-02/msg00028.html (9,133 bytes)
10. Re: [Amps] Glitch Resistor (score: 1): Author: "Ken" <kenw2dtc@comcast.net>; Date: Mon, 2 Feb 2009 12:46:39 -0500; W6TR wrote: "Seems I remember that I could also use some AWG 30 for a glitch" Yes, that's what I have used for many years and it simply disappears when there is a short: http://w2dtc.com/w2dtc-hv-pow; /archives//html/Amps/2009-02/msg00030.html (7,929 bytes)
11. Re: [Amps] Glitch Resistor (score: 1): Author: Ian White GM3SEK <gm3sek@ifwtech.co.uk>; Date: Mon, 2 Feb 2009 18:14:07 +0000; If they mean to use it as a fuse instead of a resistor, then NO. A fuse provides no current limiting until *after* it has blown. In the time it takes for a fuse to blow (which depends on the size of; /archives//html/Amps/2009-02/msg00032.html (8,728 bytes)
12. Re: [Amps] Glitch resistor (score: 1): Author: "Bob Maser" <bmaser@tampabay.rr.com>; Date: Mon, 02 Feb 2009 13:35:53 -0800; Thanks to all that responded to my Glitch Resistor query. Bob: Mouser has these if you have an interest: P/N 588-L50J50RE 50 watt 50 ohm 5% Ohmite Solder Lug Power Resistor. Jim K1PX@msn.com ________; /archives//html/Amps/2009-02/msg00034.html (7,914 bytes)
13. Re: [Amps] Glitch Resistor (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Mon, 2 Feb 2009 16:18:38 -0500; It took less than 30 seconds to locate one in my paper Mouser catalog. Look under Vishay/Dale Carl KM1H _______________________________________________ Amps mailing list Amps@contesting.com http://li; /archives//html/Amps/2009-02/msg00035.html (8,230 bytes)
14. Re: [Amps] Glitch Resistor (score: 1): Author: "Phil Clements" <philc@texascellnet.com>; Date: Mon, 2 Feb 2009 15:43:35 -0600; I buy my power resistors from Allied Electronics. (((73))) Phil, K5PC _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listin; /archives//html/Amps/2009-02/msg00037.html (8,998 bytes)
15. Re: [Amps] Glitch Resistor (score: 1): Author: "Phil Clements" <philc@texascellnet.com>; Date: Mon, 2 Feb 2009 15:54:55 -0600; You guys are confusing glitch protection with fuses. Glitch protection must be robust enough that it remains intact after a fault. (((73))) Phil, K5PC _______________________________________________; /archives//html/Amps/2009-02/msg00038.html (9,217 bytes)
16. Re: [Amps] Glitch Resistor (score: 1): Author: "Phil Clements" <philc@texascellnet.com>; Date: Mon, 2 Feb 2009 15:52:21 -0600; There is no "Universal" value glitch resistor. Just like there is no such thing as a generic parasitic suppressor, or plate choke. All of these things must be tailored to the circuit that you are pu; /archives//html/Amps/2009-02/msg00039.html (9,574 bytes)
17. Re: [Amps] Glitch Resistor (score: 1): Author: "Hsu" <hsu4qro@gmail.com>; Date: Tue, 3 Feb 2009 06:39:40 +0800; Hi, Many years past.but why not use semiconductor device to protect your tube? many modern flash light in camera with muliti-times flash funtion, I think we can use similar schematic in our HV power; /archives//html/Amps/2009-02/msg00041.html (10,568 bytes)
18. Re: [Amps] Glitch resistor (score: 1): Author: DAVE WHITE <mausoptik@btinternet.com>; Date: Mon, 2 Feb 2009 23:04:47 +0000 (GMT); I used four 100 ohm resistors in two sets of two in series and parallel - i.e. total glitch resistor of 100 ohms. There's also a 2A HRC fuse in the HT line. Sure, the HT drops a bit under load but; /archives//html/Amps/2009-02/msg00042.html (9,865 bytes)
19. Re: [Amps] Glitch Resistor (score: 1): Author: Doug Renwick <ve5ra@sasktel.net>; Date: Mon, 02 Feb 2009 20:36:58 -0600; Some Emtron amps use 4 or 5 or 6 x 100 ohm 15 watt resistors in parallel. Doug Life is not a spectator sport. Just curious (and yes I have read Orr et al)- Why is 50 ohms the (supposed) target value; /archives//html/Amps/2009-02/msg00046.html (10,038 bytes)
20. Re: [Amps] Glitch Resistor (score: 1): Author: Ian White GM3SEK <gm3sek@ifwtech.co.uk>; Date: Wed, 4 Feb 2009 12:06:47 +0000; That is "the next level" of protection, beyond the simple glitch resistor and fuse/breaker. There are some classic papers by RCA involving thyratron or ignitron tubes, and also a modern thyristor des; /archives//html/Amps/2009-02/msg00059.html (12,411 bytes)

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