[sdiy] Article "Analyzing the Moog Filter"

Donald Tillman don at till.com
Fri Aug 23 22:59:44 CEST 2019

On Aug 23, 2019, at 12:16 PM, David Moylan via Synth-diy <synth-diy at synth-diy.org> wrote:
> Is this the Polivoks style filter?
> https://modularsynthesis.com/kuzmin/polivoks/polivoks_vcf.htm

Okay, that's a State Variable Filter with programmable op amps for the integrators.

And a programmable op amp is basically an OTA, with an integration cap, and an output stage.

  -- Don
Donald Tillman, Palo Alto, California

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