Doepfer

> > There's also the limitation that the preset threshold voltage of 
the
> > A150 is 3.6V, so nothing south of 3.6V would throw the switch 
> > without a boost
> 
> Another job for the A136!

Hope you realize that was facetious. You don't really need a boost, 
just an offset voltage.

For comparison logic, I usually bias the A150 so that it switches 
right at zero volts. (I'm experimenting with MAX, MIN, and ABS 
functions applied to random LFOs).

Joe