[sdiy] Interesting article on top octave generators.

[Ingo Debus]

> Am 27.12.2024 um 08:35 schrieb Donald Tillman <don at till.com>:
> 
> If it was me, I would have directly emulated the chip with, say, 6 CD4040's and some diodes.

That’s what Elektor did in 1974:
https://www.elektormagazine.de/magazine/elektor-197411/55706 <https://www.elektormagazine.de/magazine/elektor-197411/55706>

They used TTL chips, not CMOS. It was quite a huge project. I remember this so well because this was one of the first Elektor issues I bought myself.

Ingo
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