pwm ...

[Haible_Juergen#Tel2743]

> Why use D/A-converters for CV-control ? A 100 kHz variable pulse-width 
signal
> (or even better a tri-state signal = double resolution) could be easily
> generated with software.

Do you know what precision (jitter!) you'd need top get a 7 or 8 bit
accurarcy ?? And what amount of HF this would produce ?
8-bit DACs are cheap, so why not use them?

JH.