NPN BJT operational regions & working principle
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NPN BJT operational regions & working principle
A Bipolar Junction Transistor (BJT) operates in three main regions. In the Cutoff region, the base-emitter junction is not forward biased, so the transistor stays OFF and almost no current flows. In the Active region, the base-emitter junction is forward biased while the collector-base junction is reverse biased. Here, a small base current ...
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