[sdiy] Glide question

David G. Dixon dixon at interchange.ubc.ca
Sun Sep 5 03:44:30 CEST 2010


> A few examples of glide circuits, based on Harry Bissell's "Morphlag"
> which allows independant up and down rates, and can vary the glide
> shape from linear to log.
> http://www.wiseguysynth.com/larry/schematics/Morph-Lag.htm
> 
> You could use a single OTA in place of the Attack and Decay pots, or
> two OTAs. The 13700 would do the trick, and I'm sure the 1/2 of the
> 2164 (a quad VC gain stage chip) would also work.

That's awesome!  Thanks for the link, Tim.

13700 would work well, but the exponential response of 2164 would mimic an
audio taper pot.  Of course, having four in one chip, it might be better
suited to a VC ADSR.




More information about the Synth-diy mailing list