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Power Supply +5v with Zener

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From my circuit, which is similar to Siddharths, the input signal is drowned out by a capacitor and the zener gets it's voltage from the ouput through a resistor. Interestingly enough, the voltage of the darlington is high, making the current low. The rated current is 1.5A. I understand the current should be at the midpoint. Also, my circuit doesn't have a pass transistor, it's a regulator.

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