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Total 5 documents matching your query.

1. Topband: Choke material (score: 1): Author: Carol Richards <n2mm@comcast.net>; Date: Fri, 8 Sep 2017 15:23:49 -0400; Hello all, I have been cleaning out a shed with 50+ years of stuff. I found several yoke cores from the TV sets made in the 60's. Are they usable for common mode chokes? Carol _________________ Topba; /archives//html/Topband/2017-09/msg00020.html (6,783 bytes)
2. Re: Topband: Choke material (score: 1): Author: Mike Waters <mikewate@gmail.com>; Date: Fri, 8 Sep 2017 14:30:43 -0500; Yes they are! I have used many of those ferrite cores for that purpose over the years. Wind as many turns of coax through them as possible. And make sure there is no gap between the halves. How they; /archives//html/Topband/2017-09/msg00021.html (7,307 bytes)
3. Re: Topband: Choke material (score: 1): Author: Guy Olinger K2AV <k2av.guy@gmail.com>; Date: Fri, 8 Sep 2017 20:21:34 -0400; Those chokes are of a material that is designed for audio frequencies. I can still remember the day's in my youth when I could hear the 15 kHz horizontal sweep frequency. I would not be using those f; /archives//html/Topband/2017-09/msg00024.html (8,116 bytes)
4. Re: Topband: Choke material (score: 1): Author: Mike Waters <mikewate@gmail.com>; Date: Fri, 8 Sep 2017 20:22:23 -0500; Hello Guy, I don't disagree with this at all. The common-mode chokes I now use are K9YC's design, except for one still on the coax in the shack feeding a TX antenna. But I can personally testify that; /archives//html/Topband/2017-09/msg00025.html (9,684 bytes)
5. Re: Topband: Choke material (score: 1): Author: Stan K <k8ll.ham@gmail.com>; Date: Sat, 9 Sep 2017 16:21:41 -0400; "Those chokes are of a material that is designed for audio frequencies. I can still remember the day's in my youth when I could hear the 15 kHz horizontal sweep frequency. I would not be using those; /archives//html/Topband/2017-09/msg00026.html (8,835 bytes)

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