[sdiy] New Pulse Module, other uses for the AS3341

[Ingo Debus]

> Am 20.05.2021 um 21:08 schrieb Ben Bradley via Synth-diy <synth-diy at synth-diy.org>:
> 
> The 555 is (or at least I
> happened to have had it wired this way, I forget) non-retriggerable,
> and so it didn't regrigger untile the next pulse after it was done.
> When the pitch went above this, the output would be an octave lower,
> or as the input pitch went up higher, an octave-and-a-fifth or two
> octaves lower than the input pitch

Hah, this reminds me of the very first sound-making circuit I ever built. An oscillator built around a SN7400 followed by a monostable built with a SN74121. It behaved exactly as you describe. Still remember the sounds when the pulse-width pot was turned…

Ingo