[sdiy] State Variable Filter self oscillation

[harrybissell]

tough one...  the 'classic' has the minimum Q with high feedback... high Q

with no feedback... but that makes it pretty unstable as well.

You mean goes 'smoothly' into self-resonance ??? Maybe some trick of
changing the archetecture with the resonance CV ??

H^) harry

John Blacet wrote:

> Has anyone built a classic state variable that can oscillate?
>
> I have a few versions of this filter that get close but do not sustain
> an oscillation.
>
> Still poking around the breadboard, but any comments?
>
> Regards,
> --/////--
> John Blacet
> Blacet Research
> http://www.blacet.com