[sdiy] MORE Russian synth schematic...

[ASSI]

On Dienstag, 7. September 2004 02:45, harrybissell wrote:
> The CMOS gates in this synth would be "A" series imho...
> care should be taken in trying to retrofit the "B" (buffered)
> series.

If you have the original numbers for those IC, I still have a comparison 
book around to get to the 4000 series numbers...

On Dienstag, 7. September 2004 20:01, Jaroslaw Ziembicki wrote:
> The only difficulty is to
> generate a high frequency clock with fine
> and precisely controlled duty cycle. A task for an FPGA?

Either that or one of those PWM controllers that are meant for driving 
the H-Bridge to some servo motor. Several microcontrollers have PWM 
outputs built-in as well.


Achim.
-- 
+<[Q+ Matrix-12 WAVE#46 microQkb/Omega Andromeda XTk/30 sonic heaven]>+

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