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From: "MIKE CONNELL"
Subject: Re: low distortion oscillator
X-Newsreader: Microsoft Outlook Express 5.50.4522.1200
NNTP-Posting-Date: Sat, 09 Nov 2002 12:37:49 EST
Organization: Prodigy Internet http://www.prodigy.com
Date: Sat, 09 Nov 2002 17:37:49 GMT
> ** BTW Moderate mismatching between halves of the dual pot does
> not increase the THD figure - that depends on the amplifier and the
> stabiliser system.
> It may however increase the tendency to *bounce* output
> when adjusting the frequency setting.
> ........................ Phil
My main criteria was getting distortion below .01% using cheap parts. If
amplitude changes due to mismatch, this isn't as big a deal to me. This is
great if the balance between the two halves of the Wien bridge isn't
critical to get
If you do think of which Electronics World the dual pot article was in,
I'll see if I can find something about it online. I really appreciate the
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