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Total 7 documents matching your query.

1. [TowerTalk] Testing a Balun (score: 1): Author: "KC2PCR" <kc2pcr@gmail.com>; Date: Sat, 6 Dec 2008 10:51:57 -0500; Hello & Happy Holidays to All! I would be interested to know what the procedure would be to perform a test on a balanced to un-balanced transformer (balun) like the Unadilla W2AU to determine It's va; /archives//html/Towertalk/2008-12/msg00135.html (6,840 bytes)
2. Re: [TowerTalk] Testing a Balun (score: 1): Author: "David Robbins K1TTT" <k1ttt@arrl.net>; Date: Sat, 06 Dec 2008 16:02:08 +0000; Hook the 259b to the coax/unbalanced side, and hook a 50 ohm non-inductive resistor across the balanced terminals. Read the impedance on the 259b and that will tell you the transformation... if it re; /archives//html/Towertalk/2008-12/msg00136.html (8,751 bytes)
3. Re: [TowerTalk] Testing a Balun (score: 1): Author: "David Robbins K1TTT" <k1ttt@arrl.net>; Date: Sun, 07 Dec 2008 01:17:29 +0000; Well, if it reads open or shorted then its probably bad. If the blue smoke came out its probably bad also. If you punched a hole in the insulation or partially melted it down so that it is weakened b; /archives//html/Towertalk/2008-12/msg00150.html (11,777 bytes)
4. Re: [TowerTalk] Testing a Balun (score: 1): Author: "Dan Hearn" <n5ar@air-pipe.com>; Date: Sat, 6 Dec 2008 19:50:46 -0800; I have seen baluns with shattered ferrite cores. If you shake them they rattle. I am pretty sure that W8JI has balun testing info on his web site. 73, Dan, N5AR Well, if it reads open or shorted then; /archives//html/Towertalk/2008-12/msg00153.html (12,341 bytes)
5. Re: [TowerTalk] Testing a Balun (score: 1): Author: "D. Calder" <towertalk@n4zkf.com>; Date: Sun, 7 Dec 2008 07:04:56 -0500; It's not like it's the most expensive piece of equipment you have for your hobby. When in doubt, just buy a new one. I probably have a half dozen laying around in my shed here collect over the years.; /archives//html/Towertalk/2008-12/msg00157.html (12,493 bytes)
6. Re: [TowerTalk] Testing a Balun (score: 1): Author: "Richard Hill" <rehill@ix.netcom.com>; Date: Sat, 6 Dec 2008 16:58:15 -0800; I understand that this tells the balun ratio, but does it also indicate that it is working properly? Other than tearing a balun apart, I've wondered how to tell whether I'd killed one with high volta; /archives//html/Towertalk/2008-12/msg00176.html (10,454 bytes)
7. Re: [TowerTalk] Testing a Balun (score: 1): Author: "Jim Brown" <jim@audiosystemsgroup.com>; Date: Sun, 07 Dec 2008 15:05:25 -0800; http://audiosystemsgroup.com/RFI-Ham.pdf includes an extensive tutorial on common mode chokes, widely known as "current baluns." I believe that the W2AU balun is a transformer (voltage) balun. The tu; /archives//html/Towertalk/2008-12/msg00186.html (9,464 bytes)

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