[sdiy] Will clamping diode work when power is off?

Roman Sowa modular at go2.pl
Thu Jun 17 10:51:16 CEST 2021

An oscillator?
Can you elaborate more?
That would be cool nifty oscillator, but I can't see it oscillating, no 
SCR here


W dniu 2021-06-16 o 18:59, Mike Bryant via Synth-diy pisze:
> It will clamp.  But it can also sometimes form a relaxation oscillator 
> with any capacitance on the output if there is an external voltage there.
> *From:*Synth-diy [mailto:synth-diy-bounces at synth-diy.org] *On Behalf Of 
> *ShedSynth via Synth-diy
> *Sent:* 16 June 2021 17:52
> *To:* synth-diy at synth-diy.org
> *Subject:* Re: [sdiy] Will clamping diode work when power is off?
> I hope you won't mind me exhuming my old question again.
> My friend Tim suggested using a BC557 to actively clamp the input to the 
> supply rail:
> https://shedsynth.files.wordpress.com/2021/06/adsr-a-schematic-gate-to-d2-2-2.png

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