Low loss current sink - Electrical Engineering Stack Exchange
Constant Current Source: Transistor Active Source » Electronics Notes
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Current source with op amp and transistor - Electrical Engineering Stack Exchange
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Problem on Zener diode voltage regulator - GATE 2013 Solved Paper (Electron Devices) (www.egate.ws) - YouTube
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Zener Diode Current Source - Electrical Engineering Stack Exchange
Constant Current Sink - an overview | ScienceDirect Topics
