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1. Re: Topband: Common Mode Isolation (score: 1): Author: "Tom Rauch" <w8ji@contesting.com>; Date: Thu, 29 Dec 2005 08:34:38 -0500; primary and secondary Would placing an grounding the coax common mode problem? I doubt you need something near the receiver. If you have ingress at that end, it has to be a connection problem in the; /archives//html/Topband/2005-12/msg00375.html (8,216 bytes)
2. Re: Topband: Common Mode Isolation (score: 1): Author: "Paul Elliott" <paab@valornet.com>; Date: Wed, 28 Dec 2005 21:42:58 -0700; Bill: Tom, most seem to recommend ferrites on the outside of coax to reduce common mode. Why wouldn't a 1:1 isolation transformer with 2 turns on both sides of a binocular core do the same thing? Tom; /archives//html/Topband/2005-12/msg00370.html (7,441 bytes)
3. Re: Topband: Common Mode Isolation (score: 1): Author: "Tom Rauch" <w8ji@contesting.com>; Date: Wed, 28 Dec 2005 14:09:18 -0500; An outboard isolation transformer would work also. It's just easy to do it all in the one unit by using a primary secondary transformer, so that's what I do. 73 Tom _________________________________; /archives//html/Topband/2005-12/msg00362.html (7,359 bytes)
4. Topband: Common Mode Isolation (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Wed, 28 Dec 2005 13:37:20 -0500; W8JI: up and down with voltage, since the ground rod is not a perfect zero resistance ground. This effect is shared by the coax shield, which if connected to the same ground rod would also "pump" the; /archives//html/Topband/2005-12/msg00361.html (6,820 bytes)
5. TopBand: Common mode isolation (score: 1): Author: w7iuv@axtek.com (Larry Molitor); Date: Tue, 15 Sep 1998 23:32:20 +0100; Greg, I'm not sure that the exact same problem occurs on most unbalanced antennas such as the EWE and Beverages. However, in my experience, the same solution is valid for the problem that does seem t; /archives//html/Topband/1998-09/msg00101.html (7,615 bytes)
6. TopBand: Common mode isolation (score: 1): Author: gregsmi@iafrica.com (ZS5K); Date: Tue, 15 Sep 1998 07:39:01 +0200; This is a multi-part message in MIME format. --=_NextPart_000_004C_01BDE07B.E83F3E60 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I find the recent discu; /archives//html/Topband/1998-09/msg00091.html (7,946 bytes)

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