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On Wed, 11 Aug 1999 jorgen.bergfors at idg.se wrote:

> >Guess what... I wanted to use a 10 turn for fine and a 12 position rotary
> >switch for coarse. Two pots a la formant may be a bit hard to adjust.
> >Better would be 12 turn , of course, then it would be possible to read
> >halftones directly...  If one rotary position is one octave, I could
> >get 1/100 octave, isn't that 12 cent? Should be good enough, considering
> >all the other drift and errors.
> 
> >12 positions seems to be the maximum available, does anybody know a
> >source for rotary switches with more (please not those very expensive
> >rotary switch kits).
> 
> I have designed a CV quantizer that gives 16 steps. It is controlled by an ordinary pot or even a CV.
> It gives octaves and fifths in an 8 octave range. This way the fine tune pot only has to cover a fifth, so there is less need for a multiturn.
> Here are the schematics:
> http://www.idg.se/personal/bergfors/bergfotron/Oct%20quantizer.gif
> 
> /Jorgen
>