CEM3320 low pass filter build

[twinturbo]

i am working on the elka multimode version

CEM/AS 3320 Filter

I am starting to work on a filter based on the CEM3320 (or rather the AS3320 ) … There seems to be little information on these filters but I am basing it on the Elka Synthex variation of which a partial example can be found on the Druids site [image] I have started the schematic, filling in the gaps with a little guess work. I have designed it so that the inputs for the CV(Fq/Res) can be adapted to add components for the non-inverting Amp. I need to go through it again to verify some stuff,…