[sdiy] top octave gneration

[Theo]

See the Elektor Chorosynth for a example.
Think its from around 1980.
Should be online somewhere.

Theo


From: Scott Gravenhorst <music.maker at gte.net>

> adam at hoodmusic.net wrote:
> >Sure you could tune on the fly, use the CV input on the 555s, it would
give you
> >a tune control for each note of the top octave and one for the whole top
octave.
> >it would double the parts count, but be well worth the added control.
>
> That thought crossed my mind as well, but has anyone actually
> tried 'gang tuning' 555 timers this way?  Do they track?  I
> assume you mean to use pin 5 (as it is on the single timer).
> This doesn't have a very large range and because it changes
> the threshold value, it will also change the amplitude of the
> sawtooth output.
>
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