[sdiy] SSM2164 base for Doepfer sdiy synth kit.

karl dalen dalenkarl at yahoo.se
Sat Aug 14 03:08:45 CEST 2010


12:Doepfer claims 6-7oct tracking range without HI freq trim!

>Guy Drieghe D. <guy at guyd2.com>:
 
> It's piggybacked and glued to the 2164. I don't know what
> the upside-down chip is.

Most likely the sensor and heater, perhaps a dual tranny.

> > 10:The VCA seams to be a CA3080.
> 
> There's no 3080 on board.
> 3 x TL084, 1x TL074, 1x TL082 (on the oven), and 1x 555

Hmm the 555 used in the EG, makes sense.
OK, then the 2164 are used for VCA, VCF and one ota
as plain R Sowa expo, heating then makes sense.

Thanks for sorting things out Guy.

Cheers
KD






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