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Practical Electronics/Bipolar Transistors/PNP Transistor
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PNP Transistor
A PNP transistor is made by joining one Negative Typed Semiconductor in between two Positive Typed Semiconductors.
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The symbol for a PNP Transistor:
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Transistor's Rectifier
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.