[sdiy] How does a DCO work?

[Paul Maddox]

Johannes,

> How does DCO's used in commercial synthesizers work? I'm mainly
> intressted in the DCO's of the old polysynths.

Which one?
For example, the PPG DCO was 100% digital, digital control, digital waveform
generation.
The roland DCOs, where Digitally controlled Ramp generators, A Digital
signal 'reset' the ramp at the right time.

Paul

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