[sdiy] CV inputs with bipolar "amount" knobs

[megaohm]

On Sun, Jul 25, 2010 at 12:41 PM, cheater cheater
>
> On another note: wouldn't there be a way of using a stereo pot and
> using each channel of the pot as the attenuation pot of one of a pair
> of op amps?
>

If you do that, then you may want to consider using a push-pull pot.
That way it works as a normal pot. When you want to invert you pull
the pot. Avoids the issue all together.

Everyone may have already seen these (maybe they were linked to
already and I just missed that post?):

http://www.geofex.com/article_folders/potsecrets/potscret.htm

http://www.elby-designs.com/documents/tailoringpotentionometers.pdf
(see page 4 for the S-curve thing)

p.