[sdiy] state variable filter oscillating

[jeff brown]

----- Original Message ----- 
From: "mark s" <djarum11 at mindspring.com>
To: <synth-diy at dropmix.xs4all.nl>
Sent: Saturday, June 19, 2004 10:29 PM
Subject: [sdiy] state variable filter oscillating


> hi, i've built a state variable filter with a TL074 and an SSM2164. it is
> oscillating like crazy when i turn my frequency up above, oh i dunno
6000Hz
> *and* when the resonance pot it turned way up.

Isn't that what it's supposed to do? It _shouldn't_oscillate if you set the
resonance down.
It _should_ self-oscillate at high resonance, though maybe not at lower
frequencies.