Practical Electronics/Bipolar Transistors/NPN Transistor/Transistor circuit

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Transistor amplifier blocked emitor.svg

Electronics switch[edit]

When , Transistor operates as Electronics switch

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Electronics amplifier[edit]

When , Transistor operates as Electronics amplifier

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Transistor's Rectifier[edit]

A PNP Transistor only allows half of a negative cycle of a voltage or signal wave to pass and grounds any positive cycle of a voltage or signal wave.