3/11/2023 0 Comments Transistor as a switch![]() ![]() This allows current to flow (or not) in other parts of a circuit.īecause a transistor’s collector current is proportionally limited by its base current, it can be used as a sort of current-controlled switch. The transistor can be used as a switch if biased in the saturation and cut-off regions. The transistor will operate as an amplifier or other linear circuit if the transistor is biased into the linear region. ![]() Bipolar junction transistors (Also known as BJTs) can be used as an amplifier, filter, rectifier, oscillator, or even a switch, which we cover as an example in the first section.
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