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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+Weird\s+choke\s+\"balun\"\s+failure\s*$/: 11 ]

Total 11 documents matching your query.

1. [TowerTalk] Weird choke "balun" failure (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Thu, 01 Oct 1998 09:56:54 -0400; Hi Bill, I don't understand what any particular sequence of beads would do, since they are all in series without shunting components to "sap off" current. RF is just like low frequency circuits so fa; /archives//html/Towertalk/1998-10/msg00015.html (10,413 bytes)
2. [TowerTalk] Weird choke "balun" failure (score: 1): Author: aa4lr@radio.org (Bill Coleman AA4LR); Date: Thu, 1 Oct 1998 15:53:05 -0400; Hmm. I base this suggestion on the observation that others had offered that the beads nearest the feedpoint of the balun were heating up and destroying themselves, while beads away from the feedpoint; /archives//html/Towertalk/1998-10/msg00022.html (10,404 bytes)
3. [TowerTalk] Weird choke "balun" failure (score: 1): Author: W4EF@pacbell.net (Michael Tope); Date: Fri, 2 Oct 1998 08:46:40 +-100; Tom, When you refer to displacement current due to the weak electric field, are you refering to the electric field between the side of the doublet driven by the center conductor of the coax and the b; /archives//html/Towertalk/1998-10/msg00030.html (11,794 bytes)
4. [TowerTalk] Weird choke "balun" failure (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Fri, 02 Oct 1998 08:42:48 -0400; Hi Bill, I wonder about that also. Roy Lewallen and a bunch more besides me would sure like to see one do that first hand!!! I have had beads in closed areas do that when hung vertically, the upper b; /archives//html/Towertalk/1998-10/msg00036.html (9,469 bytes)
5. [TowerTalk] Weird choke "balun" failure (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Fri, 02 Oct 1998 09:01:09 -0400; Hi Mike, Yes, that would be the most direct path for common mode current return...since the open end of the coax is the source. 73 Tom -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submi; /archives//html/Towertalk/1998-10/msg00037.html (7,615 bytes)
6. [TowerTalk] Weird choke "balun" failure (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Mon, 28 Sep 1998 09:46:18 +0100; I use a homebrew common mode choke at the 40m. feedpoint on my C-4 -- it's the fairly standard 50 beads of #73 material on small-diameter teflon insulated coax. I run about 1200 watts output, and the; /archives//html/Towertalk/1998-09/msg00696.html (9,547 bytes)
7. [TowerTalk] Weird choke "balun" failure (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Mon, 28 Sep 1998 09:00:19 -0400; Hi Pete, damaged removed damaged, severely very evidence the going Yes. Been there done that many many times over the years. I NEVER use 73 material beads with higher power, or with high common mode; /archives//html/Towertalk/1998-09/msg00703.html (10,165 bytes)
8. FW: [TowerTalk] Weird choke "balun" failure (score: 1): Author: n7ml@imt.net (Michael Lamb); Date: Mon, 28 Sep 1998 12:43:31 -0600; Hello Pete: That is very interesting, indeed. I have always been a big believer in the bead current baluns for the past several years and have been making my own out of surplus beads I have on hand.; /archives//html/Towertalk/1998-09/msg00704.html (12,232 bytes)
9. [TowerTalk] Weird choke "balun" failure (score: 1): Author: TOMK5RC@aol.com (TOMK5RC@aol.com); Date: Mon, 28 Sep 1998 11:30:50 EDT; One of the true drawbacks to using ferrite for anything is that the imperfections in the material can become significant hotspots for RF. I have seen it in baluns and in tank circuits. We need a camp; /archives//html/Towertalk/1998-09/msg00715.html (7,705 bytes)
10. [TowerTalk] Weird choke "balun" failure (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Mon, 28 Sep 1998 12:41:14 -0400; -- To: <towertalk@contesting.com> Sevick over this one and those are two titans I would not want to get into the middle of a technical argument with. But after thinking about things a little, it appe; /archives//html/Towertalk/1998-09/msg00721.html (10,860 bytes)
11. [TowerTalk] Weird choke "balun" failure (score: 1): Author: aa4lr@radio.org (Bill Coleman AA4LR); Date: Tue, 29 Sep 1998 22:44:45 -0400; I know I've suggested this before, but why not use a mix of bead materials? Have the beads closest to the feedpoint be 43 material, and the ones away from the feedpoint be 73 material. This has the a; /archives//html/Towertalk/1998-09/msg00770.html (9,833 bytes)

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