VCOs as modulation sources

[Haible_Juergen#Tel2743]

> If you have VCOs that can do PWM on the square waves you can do
> ringmodulator sounds without ringmodulator. Use the square wave
> of VCO1 to control the PWM input of VCO2 and VCO2 will (with
> some twiddling) get you shortwave- and bell like sounds, as
> ringmodulators do.

I like audio rate PWM very much (use it on the Prophet V all the time),
because you can nicely add some "dirt" without messing up pitch.

JH.