Sunday, 10 November 2019

Capacitor discharge after charge


I have this circuit for charging a capacitor: capacitor charge circuit


What I need is a circuit for discharging the capacitor after 'V' (the voltage across the 100 µF capacitor) has reached the maximum value of 2V. I know a discharge circuit can be implemented by NPN transistors, but I am not getting how. Guidance required.


The capacitor should only discharge when 'V' reaches 2V.




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