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Re: [Amps] Henry 3kA Choke input Pwr Supply Overvoltage Query

To: "Angelo Karabetsos" <ve3yn@hotmail.com>
Subject: Re: [Amps] Henry 3kA Choke input Pwr Supply Overvoltage Query
From: R.Measures <r@somis.org>
Date: Sat, 19 Nov 2005 05:55:00 -0800
List-post: <mailto:amps@contesting.com>
On Nov 19, 2005, at 5:22 AM, Angelo Karabetsos wrote:

> Rich,
> What's the difference between a swinging choke and a non-swinging  
> choke?

A swinging- choke reduces its inductance as current increases.  A  
(non-swinging) / fixed-choke has semi-constant inductance as current  
increases or decreases.  Thus, a fixed choke is usually chosen for a  
resonant circuit. One type has an air-gap in the core and the other  
does not, but I forgot which is what.

cheers, Angelo

> VE3YN
>
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Richard L. Measures, AG6K, 805.386.3734.  www.somis.org

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