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From: "karl AT aspodata DOT se [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
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Subject: Re: [geda-user] Active filter
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Comments: In-reply-to "al davis (ad252 AT freeelectron DOT net) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
   message dated "Thu, 11 Aug 2022 18:21:44 -0400."
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Precedence: bulk

Al Davis:
...
> I put some course notes on line at
> http://freeelectron.net/courses/
...
I see that you do a mix of schematas, curves, math and text in
thoose files.

Maybe you are interested in how I did the same thing with: 
 source:
http://aspodata.se/git/openhw/text/switched_power/voltage_inverter/
 result:
http://aspodata.se/electronic/voltage_inverter_sv_SE.pdf

I have thought I might do something similar with filter theory,
would that be interesting ?

Regards,
/Karl Hammar