[sdiy] LAG circuit de-tuning VCO question

Neil Johnson neil.johnson97 at ntlworld.com
Sat Nov 5 08:03:14 CET 2011


Hi Dave,

> 1V/octave input to an op amp wired as unity gain voltage follower, the
> output of which goes through a 1M Linear pot wired as variable resistor,
> then into a second voltage follower with a 1uF cap to GND at its input.
> I notice that without even changing the input CV, setting the pot to max
> de-tunes the output by up to several 100 cents, judging by ear.

What op-amps are you using?

Cheers,
Neil
-- 
www.njohnson.co.uk



More information about the Synth-diy mailing list