To: | Discussion of Ten-Tec Equipment <tentec@contesting.com> |
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Subject: | Re: [TenTec] [Fwd: Line Isolator Balun (sorta) question.] |
From: | Steve Hunt <steve@karinya.net> |
Reply-to: | Discussion of Ten-Tec Equipment <tentec@contesting.com> |
Date: | Mon, 09 Aug 2010 19:59:07 +0100 |
List-post: | <tentec@contesting.com">mailto:tentec@contesting.com> |
Dressing the feedline at right angles to the dipoles stops *induced* common-mode current, but it does nothing to stop *conducted* common-mode current if the feedline is coax. The model I investigated on my website has perfect physical symmetry, but it still has high common-mode current. Steve G3TXQ Dr. Gerald N. Johnson wrote: > Feedline at right angles to the dipole is a way to not need a choke, but > that's not often achieved. Then the feed line couples more to one side > of the dipole and that induces unbalanced feed line currents without chokes. > _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/listinfo/tentec |
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