Suboctave generator - 4013?

[sasami at blaze.net.au]

There are schematics etc for my sub-octave generator (Twin 
sub-oscillator and multiplier ) at
http://kato.sai.com.au/catgirl/synth/modules.html

Even if you don't use the whole design, it will give you 
some ideas.

Ken


>Hi List,
>
>I'm designing an outboard second voice for an SH-101, and 
I'm fooing around 
>with VCO designs.  I want to add the suboctaves to the new 
VCO, like there 
>are on the original VCO.
>