[sdiy] Top Octave Chips?

patchell patchell at silcom.com
Wed Jun 19 15:24:00 CEST 2002

    Yes, but that was a long time ago...and sadly, they are no longer

    Tim Ressel used a pair of Xilinx CPLDs to make a replacement...sort
of (runs on 5 volts instead of 15).

Lothar Cantare wrote:

> Hey Diy-ers...
> Has anyone played around with top octave chips before?
> (S50240)
> Are they even available anymore?
> I was just looking at an old book of schematics and
> thought that might be fun, stacking up lots (30-ish)
> of these chips, and building kind of an organ/chorusy
> cheesy thingy. :^)
> Thanks for any info, L.
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