Psuedo-Log-Taper Pots

[R.G. Keen]

>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?

This works if what you want out is a reverse-log related voltage or 
current. The easy and simple LFO application usually can't use this. It
would work great for voltage- or current-controlled things.