MOTM

>Frequency Doubling for VCOs
>
>Here's an idea to create a sound one octave above the normal pitch. Maybe
>it will help us focus on analog stuff...
>.....

Or you can just use the trick Tony Clark showed me.  Just take
a triangle wave and run it through a full wave rectifier.  Presto!
2x Fx.  He has some very interesting VCOs.  Larry Hendry and anyone
else who attended AHMW2000 can attest to that.

-Cary