[sdiy] Interesting VCO features?

[harrybissell]

Allow several octave (down) of division... and run the sync off that
instead
of the fundamental.  Gives a cool effect.

H^) harry

Jeff Farr wrote:

> I've been working on my OB-1 clone alot this week and I've nearly
> finished copying the schematics into eagle.  Of particular interest to
> me are the 2 VCO's, each with a sub.   I've been thinking about adding
> a third to the design along with a much better modulation routing
> scheme including the Xmod and sync, possibly even a SCI-esq polymod
> section.  I'd also like to add ring modulation to the lineup of
> effects.   While I'm thinking about this I'd like input from any of
> you who have interesting ideas for OSC design I may not be aware of,
> sync/Xmod/ringmod is all I can think of and all I have expirience
> with, is there anything else out there?