DIY Electronics Question #2 - CV Amplifier

[punkdISCO]

Hey PaulM

> the opamp is your friend :)
> If you decrease R1 and R4 that will "amplify" the incoming signal.
> Can I just check, what supply voltages exist inside the 800dv?

+20v

> the tl074/072 will only work with upto +18 and -18, go above that and it
could
> destroy the chip.

Are you saying the circuit you have given me will also amplify??  If so,
that is super sexy..!!

http://www.cykong.com/Synths/Korg%20800DV/Images/Korg-800DV-Schematics-Colou
red.gif

Looks like I might need to pop to Maplin this weekend!

Ta,

London
www.punkdisco.co.uk