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From:	"karl AT aspodata DOT se [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
To:	geda-user AT delorie DOT com
Subject:	Re: [geda-user] Active filter
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Comments:	In-reply-to "David W. Schultz (david DOT schultz AT earthlink DOT net) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
	message dated "Thu, 11 Aug 2022 10:33:15 -0500."
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Date:	Thu, 11 Aug 2022 21:44:56 +0200 (CEST)
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David: Schultz:
...
> My go to reference is the "Active Filter Cookbook" by Don Lancaster. 

That seems to be a nice book, but currently I'm more interested in
how to calculate the tables used.

> If I need something not covered there, then it is time to dust off the 
> ol' college text by Van Valkenburg

Ok, I'll look into that.

Thanks,
/Karl Hammar

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