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How transistor is used as rectifier?

Jodi Brooks

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Megan Page on January 22, 2020

A transistor is, from the point of view of modeling, a controllable diode. The advance of the driving of the curve of the collector-emitter junction is a function of the base-emitter current. (This assumes that we are talking about common bipolar junction transistor, or BJT.) Theoretically, then, you could use a transistor as a controllable rectifier. If the base unit on the saturation, then you could "think" of the collector-emitter as a diode. However, the collector-emitter junction voltage drop is not the same as a true diode, as well as the efficiency and the power dissipation would be different to that of a diode. This is what you want to do.

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