Hi Roel
> thought, this is always the same, always fixed. Wouldn't I gain a lot more
> possibilities if the frequency of the waveform could be influenced on the
> output.
You think of a VCA that lowers/rises the Waveform level in proportion to
the note that is played All you need is a VCA that is controlled by the
keyboard voltage.
> And another idea. A switch between octave and semitones on it as well!
> Moog had this on 921a Oscillator driver.
This is more elaborate and costly you might think, since you need high
precisision components. We talked in synth-diy maillist about this some
time ago.
Florian
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