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Re: Topband: a box of ferrites

To: Michael Walker <va3mw@xxxxxxxxxxxxxx>, topband <topband@xxxxxxxxxxxxxx>
Subject: Re: Topband: a box of ferrites
From: Sean Waite <waisean@xxxxxxxxx>
Date: Thu, 01 Jun 2017 02:16:36 +0000
List-post: <>
W1HIS talks about how to identify ferrites in appendix 1 of this doc:

-Sean WA1TE

On Wed, May 31, 2017 at 9:51 PM Michael Walker <va3mw@xxxxxxxxxxxxxx> wrote:

> This group is clearly one of the most technical groups around and if this
> off topic enough, please kill it.
> The question is that if you have a box of ferrites with no labels on them,
> how could you measure their ability to be used as a choke.  Yes, you could
> measure them and look them up assuming they came from one vendor.
> You have the usual ham tools plus a spectrum analyzer with a tracking
> generator.
> Does anyone have a tried and true method for determining what their choking
> impedance might be?
> Mike va3mw
> _________________
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