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Re: [TowerTalk] Step-down balun 12.5-50ohm

To: "Tower Talk List" <towertalk@contesting.com>
Subject: Re: [TowerTalk] Step-down balun 12.5-50ohm
From: "Jim Brown" <jim@audiosystemsgroup.com>
Date: Thu, 20 Aug 2009 22:26:59 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
On Thu, 20 Aug 2009 13:57:58 -0500, Perry - K4PWO wrote:

>ust flipping the balun might not work as the Hi-Z side is balanced and the 
>Lo-Z side is unbalanced.  Just the reverse of what he probably needs.

It's the circuit, including the antenna and transmission line and coupling to 
surrounding objects that makes an antenna balanced or not. A balun does not do 
that. 

I suggest that you (and the original poster) study my tutorials on RFI and 
Common Mode Chokes. 

http://audiosystemsgroup.com/publish

73,

Jim K9YC 




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