[sdiy] VC GLIDE and ADSR

[Cornutt, David K]

From: megaohm [mailto:megaohm1 at gmail.com] 

 >  Glide and slew limiter. What's the difference? 
 
As I understand it, a conventional glide circuit is basically a two-pole
low-pass filter, so its response is that of a discharging RC circuit:
when the input changes, the output changes rapidly at first, and then
more slowly as it approaches the input voltage.  A proper "slew
limiter",
in my mind, should be linear in response: When the input changes,
the output should change at an absolute maximum V/sec until it
reaches the input voltage.  (Of course, if you use this on a pitch CV
in a V/oct system, it will give you a non-linear response with respect
to pitch.)
 
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