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Re: [CQ-Contest] Ferrite Core question

To: cq-contest@contesting.com
Subject: Re: [CQ-Contest] Ferrite Core question
From: barockteer@aol.com
Date: Thu, 15 Apr 2010 22:26:42 -0400
List-post: <cq-contest@contesting.com">mailto:cq-contest@contesting.com>


>Does the ferrite do its job if I make a "U" in the
middle of the cable and loop the "U" through the cores a few times...

No. The net inductance of the sum of positive turns (one side of the U) and the 
negative turns (other side of the U) will cancel each other out. The end of the 
cable must be passed thru the core.

-Tony, K1KP
=
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