[sdiy] Vanilla electronics question

[Ingo Debus]

> Am 22.02.2024 um 10:24 schrieb Rutger Vlek via Synth-diy <synth-diy at synth-diy.org>:
> 
> So I currently feel the most likely hypothesis is that D1 is some kind of zener or shunt regulator, even though it's labelled as a common Schottky Diode

I really can’t wrap my head around how this circuit should work if D1 is a shunt regulator. Maybe it’s a constant current source?

Ingo
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