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Re: [TowerTalk] New tool - toroidal ferrite core inductor calculator

To: towertalk@contesting.com
Subject: Re: [TowerTalk] New tool - toroidal ferrite core inductor calculator
From: Jim Brown <jim@audiosystemsgroup.com>
Reply-to: jim@audiosystemsgroup.com
Date: Wed, 16 Jun 2021 12:05:13 -0700
List-post: <mailto:towertalk@contesting.com>
On 6/16/2021 11:45 AM, Lux, Jim wrote:
Out of curiosity, what was the spread in apparent parameters?

I'd have to look at the spreadsheets -- it's been three years. But because resonances are involved, f the parameters I measured, Rs, Xs, and Zmag at a given frequency for a 10-turn winding, almost 2:1 for some data points. With respect to fundamental properties, I'd guess that Fair-Rite's 20% number is pretty good. But those fundamental properties from a circuit point of view are mu' (inductance) and mu'' (loss).

Jim
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