Archive of the former Yahoo!Groups mailing list: MOTM

I am very excited about this as well. I have been poking around with
it off and on trying to get it to work as I wish on a breadboard, but
so far it does not.

It will go into self-oscillation. The idea of the pair of 420's is not
too far off, but the sound qualities are very different. The filter
has a very distinct "howl" to it when the Q gets up there. I have an
OSCar and it sound pretty fantastic on that.

Earlier this year another list member came up with a circuit that
could generate separation voltages. The OSCar filter as I had been
trying to get work as CV for:

Cutoff
Resonance
Separation
Overdrive

The original OSCar circuit will overdrive pretty easily, and it has
some nice distortion that adds to the characteristic howl.

In addition there would need to be switches for

Slope:
12 db
18 db
24 db

Mode:
Lowpass
Bandpass
Highpass

So that is the though anyhow, but so far it is not behaving itself in
the lab. I am a software guy, not a hardware guy, and I am doing this
mostly to amuse myself. Some of the difficulties include the fact
that the OSCar schematics are hand drawn, missing some part
descriptions, and (I believe) wrong in some parts. So one day it will
probably work, till then it is just a science experiment.

Bruce