Mad Mouse - Final SD

[Sean Costello]

tomg wrote:
> 
> Thanks to marjan who sent me the sh vca the MM is
> ready to build. I modified (natch) the vca for vc or
> audio and replaced the LFO OTA and final vca with it
> ...nice and simple. I picked 18 controls and called
> it done. Ended up with 6 ics and 15 transistors. No
> OTAs thanks again marjan!

What the hell sort of VCA is that?  How does it work?  I've seen the
same VCA design in the MS-20 (I was just looking at it a few minutes
ago), but I have to admit I am baffled.

BTW, the Mad Mouse looks like a very nice little synth at this point.
Lots of cool little designs sitting in there.

Sean Costello