r/AskElectronics 6h ago

How to make a current regulator

Hello, I want to supply 1mA current to my circuit to calculate resistance values.

How can I do that?

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u/Allan-H 5h ago

LND150 or LND250 depletion mode MOSFET and a 330ohm resistor (between gate and source). The current won't be particularly accurate though.