A voltage regulator consisting of two diodes in series fed with a constant-current
Chapter 4, Problem 4.57(choose chapter or problem)
A voltage regulator consisting of two diodes in series fed with a constant-current source is used as a replacement for a single carbonzinc cell (battery) of nominal voltage 1.5 V. The regulator load current varies from 2 mA to 7 mA. Constant-current supplies of 5 mA, 10 mA, and 15 mA are available. Which would you choose, and why? What change in output voltage would result when the load current varies over its full range?
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