[sdiy] Multi-source crossfader

Karl Ekdahl elektrodwarf at yahoo.se
Wed Feb 4 00:01:07 CET 2009


> > A 2164 Quad VCA chip? I think a trickier question is
> how to come up with a
> four stage CV source. I was thinking of something based on
> a 3914, and a
> mutation of Grant Richter's "CV Twister"
> analog tracking generator.

My intial thought was to use BTJ push-pull pairs with unbalanced base-voltages somehow, got it working sort of but i tried using those as VCAs directly which complicated things... But something like that should probably work, no?

Karl


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