Cgs synth

>
>
> I just double checked, and the inverting and no-inverting inputs, and
> their corresponding outputs are also the same pins on the TL072 and
> LM358. So I'm still confused.

Whoops. I changed the pin numbers but not the - and + on the schematic.

>
> I had thought that linear FM would be more of a feature, since
> exponential FM can be added by simply putting a DC mixer module
> before the 1V/Oct input. Then again, I have no idea what be more
> useful for the bintic used as a filter.

I just thought people would use expo FM more, and it would be a pain to
have to patch a mixer each time.

> I had thought about that. Apparently the clock input is driven by
> negative going edges. So I wonder if the duty cycle of the clock
> were something other than 50% -- or even if its pulse width was
> modulated -- so that the intervals charging and discharging the
> capacitors varied, then would that effect the sound of the filter??

Good question. Try it and let us know ;)

Cheers,
Scott

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