[sdiy] OTA CV feedthrough suppression?

[David G. Dixon]

Kirk,

Why not use SSM2164, or it's cheaper equivalent, CoolAudio Q2164.  You can
very easily get dual log-linear VCAs out of one chip (about $4), with little
additional circuitry.

> Hi list, so working on a VCA both for use with CV and Audio and i noticed
> some CV feedthrough, and was wondering if there's any commonly used tricks
> for getting rid of it in a LM13700-based circuit? Are these just no good
> for voltage-controlled CV amplification/attenuation?