[sdiy] Glide question

[lanterma at ece.gatech.edu]

On Sep 4, 2010, at 3:22 PM, David G. Dixon wrote:

>> a glide circuit is usually a first-order RC filter applied to the
>> V/Oct CV, right? Are there any other prevalent designs? 
> 
> Why not just replace the R with a VC-R?  An LM13700 with negative feedback
> and resistors as a control current sources should work.  

I recall at least one (maybe a few?) of the Buchla keyboards uses a vactrol as the R in their glide circuit.

- Aaron