--- In Doepfer_a100@yahoogroups.com , <yahoo@...> wrote:

>
> Mostly it's nothing but
> some kind of amplifier as shown on our A-100 DIY page adopted to the special
> requirements (like suitable amplification, adding or subtracting an offset
> voltage and maybe voltage inverting).

Thank you Dieter. As I am not able to read schematics I have been doing much guess work. This statement gives me much needed information as I couldn't decide between oscillators and amplifiers to experiments with as drivers.

TD