[sdiy] SSM2164 to use as ring modulator...

[Olivier Gillet]

> Oh, and as for a ring modulator, use two gain cells to make a Irwin
> linearised VCA and then with a couple of opamps you can make your ring
> modulator.  So a single 2164 can make two ring modulators.

I'm curious about how this could be achieved with just a linear VCA.
By adding a DC offset to the modulator so that it remains positive,
and then removing the corresponding fraction of the carrier from the
output?