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Re: [Amps] RF in the Audio

Subject: Re: [Amps] RF in the Audio
From: Tom Thompson <>
Date: Sat, 24 Sep 2011 23:13:29 -0600
List-post: <">>

On 9/24/2011 10:07 PM, Jim Brown wrote:
> On 9/24/2011 5:20 PM, Peter Voelpel wrote:
>> But the question concerned that perfectly! balanced open feeder which
>> certainly carries no common mode current.
 From Wikipedia:    In telecommunications 
<> and professional audio 
<>, a *balanced line* or 
*balanced signal pair* is a transmission line 
<> consisting of two 
conductors of the same type, each of which have equal impedances 
<> along their lengths 
and equal impedances to ground 
<> and to other 

This does not imply that the currents in the wires are equal and 
opposite and if they are not, then a common mode current is present.

Tom   W0IVJ

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