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Re: [TowerTalk] Measuring Common Mode Choke with Anritsu VNA

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Measuring Common Mode Choke with Anritsu VNA
From: Steve Hunt <steve@karinya.net>
Date: Thu, 4 Jan 2018 11:25:29 +0000
List-post: <mailto:towertalk@contesting.com>
Wes,

Thanks, I hadn't spotted that one!

Steve G3TXQ

On 03/01/2018 19:40, Wes Stewart wrote:
On 1/1/2018 3:00 AM, Steve Hunt wrote:
... The problem is that models picturing capacitance between adjacent windings are overly simplistic; the winding needs to be treated as a transmission line in order to get results more representative of the real world. There's a good paper on the topic here: http://g3rbj.co.uk/wp-content/uploads/2015/08/Self-Resonance-in-Toroidal-Inductors.pdf

And another: http://hotstreamer.deanostoybox.com/temp/Old2002Files/2002-02/amwireles.pdf
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