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Welcome! Need support, you got it. Or share you ideas and experiences.

Dang! You're right of course.

My bad - posting too quickly, too late at night. I might have had a martini by then, too!

As I look at it, the capacitor really should go around the resistor and diode, not just the resistor.

Maybe an LM334 would do the job. 40v max; a single 33 ohms resistor will set 2mA, makes a 2-terminal current source - like a depletion-mode FET but with precision current setting.


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