[sdiy] VCA response - continuously variable between linear and exponential

houshu at muj.biglobe.ne.jp houshu at muj.biglobe.ne.jp
Sun Mar 10 03:07:34 CET 2013


Hi Neil,

>the 2k pot is R16 in the diagram and simulation, correct?
Exactly.

----- Original Message -----
From: "neil harper" <metadata at gmx.com>
To: houshu at muj.biglobe.ne.jp
Cc: "Synth-Diy" <synth-diy at dropmix.xs4all.nl>
Sent: Sunday, March 10, 2013 11:03:41
Subject: Re: [sdiy] VCA response - continuously variable between linear and exponential

> As usual, I tested it only on LTspice.
> Quite good exponential curves were obtained thanks to 
> low impedance design.  If you don't need precise linear response,
> An audio-curve 2k-ohm pot seems to be good for continuous control.  
> If available, reverse-log curve pot with switch would be the best
> to have precise linear response.
> 

hi Sam, this looks great!

the 2k pot is R16 in the diagram and simulation, correct?








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