[sdiy] Glide question

[Tom Wiltshire]

On 4 Sep 2010, at 22:04, David G. Dixon wrote:

>> There's an example of a voltage-controlled glide in the Pro-One
>> schematics. Unfortunately it uses the hard-to-find CA3280, but you could
>> use a LM13700 like David suggested. Or even a CA3080 - saves wasting half
>> a chip.
>> 
>> Olivier mentioned 'constant rate' and 'constant time' glide, and that an
>> RC filter (VC or not) gives you constant time. An integrator (again, VC or
>> not) would give you constant rate. There is one other difference between
>> them - one is a cap charging curve, and therefore the glide slows down as
>> it approaches the target note, whereas the other is linear wrt to pitch
>> and glides at the same rate all the way to the target.
> 
> Sorry, Tom.  I responded before I read your response.  GMTA!
> 


Great minds think alike, eh?
Unfortunately fools never differ!

T.