[sdiy] Project using CEM3394's

[Dave Kendall]

on 5/10/05 5:37, Travis Shire at tshire at charter.net wrote:

>What I am wondering about is when paralelling these voice ic's, will there be a
need for buffering ctrl voltages? I'm >not sure if these will interfere with
each other but I've not worked with these before. Actually this will be my
first >building project so I'm sure there'll be a wrong turn or two.
 
Why not try a CGS37 CV cluster to feed your 3394s?
<http://www.cgs.synth.net/modules/cgs37_cv_cluster.html>, and use the A,
B,C, and I,J,K outputs? This way all 6 VCO CV inputs are buffered, and you
get a single CV that acts as a detune control. One knob fatness  :-)

Aaron Cram has a nice-looking 3394 circuit at
<http://www.ori.org/~aaronc/synth/CEM3394_V2.pdf
that makes it at home in a modular circuit.


Dave.



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