Psuedo-Log-Taper Pots

Yoshiki Ohmura (Yoshi) yoh212 at lulu.acns.nwu.edu
Thu Apr 16 03:12:02 CEST 1998


On Wed, 15 Apr 1998, R.G. Keen wrote:

> >I seem to remember hearing something about a trick which can be done to get a
> >pseudo-log-taper response out of a linear potentiometer.  I think it was done
> >by adding a resistor or two in parallel with the pot.  Has anybody ever tried
> >this?  Exactly how should it be wired, and how should the resistor values be
> >selected?  M

I was talking to this EE a few days ago who @ one point in his life
designed elec organs (not for hammond, but the other big one when it
all started) and I was complaning about having a tough time finding log
pots, and he mentioned one could us a lin pot with a log op amp
instead, and get the same results.  Does anybody know any P#'s for such a
IC device?

Cheers

Yoshi
 
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