AW: CEM3374 (was: Digisound vs Formant)

Haible Juergen Juergen.Haible at
Mon Mar 24 13:45:00 CET 1997

> I'm under the impression that the 3374 is quite different from two
> 3340s. What makes the 3340 so great is the on-chip multiplier which
> eliminates the need for external tempco. The 3374's tempco scheme
> uses the system's CV generating DAC as a multiplier, which is a brilliant
> idea, but makes the 3374 less suitable for non-uP-DAC systems (such as
> modulars). Do correct me if I'm wrong. :)
 > -joachim

You're right.
However, I am not so fond of the on-chip multiplier in the 3340. For
reason, many 3340's are still more temperature sensitive than a good
3046 + tempco resistor design.
In my Modular, the SEM-syle VCOs are rock-solid, while I have to retune
the 3340's every session ...


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