[sdiy] VC Glide

[WeAreAs1 at aol.com]

In a message dated 10/1/01 9:02:39 AM, jhaible at t-online.de writes:

<< > SCI Prophet/Pro One used 3280 VC glide, so I guess it's 
> good enough... 

... for linear or for expo glide ? 
 >>

The Pro-One had Linear portamento.  The same basic circuit was also used in 
the Prophet Five (the P5's glide was available only while in monophonic 
unison mode).

For a cheap and dirty exponential VC-glide, I would consider using a Vactrol 
for the voltage controlled resistance element, as was done in the old 
Oberheim Four-Voice.  At least there wouldn't be an offset problem.

Michael Bacich