![]() Because the controlled (output) power can be higher than the controlling (input) power, a transistor can amplify a signal. A voltage or current applied to one pair of the transistor's terminals controls the current through another pair of terminals. It is composed of semiconductor material, usually with at least three terminals for connection to an electronic circuit. The transistor is one of the basic building blocks of modern electronics. The gate is separated from the body by an insulating layer (pink).Ī transistor is a semiconductor device used to amplify or switch electrical signals and power. ![]() Metal–oxide–semiconductor field-effect transistor (MOSFET), showing gate (G), body (B), source (S) and drain (D) terminals.
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June 2023
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