[sdiy] 2164 Expo correction

[Tim Daugard]

> the CV circuit to set the desired frequency -- I'm actually measuring the
> voltage right at the VC pin of the 2164, so I can't see how that could be
> affected by anything upstream in such a way that it could change the
> internal gain factor of the 2164 itself.

How about the current drawn by the measuring device? That would lower the
current through the 2164 for the applied voltage. Or another way - the
measurment device adding a load to the source could reduce the voltage
at the 2164 CV pin.

Tim Daugard
AG4GZ 30.4078N 86.6227W Alt: 12 feet above MSL
http://members.cox.net/synthfred/h_toctop.htm (Fred's online edition)