field-effect transistor

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Related to Depletion mode transistor: IGFET

field-effect transistor

n
(Electronics) a unipolar transistor consisting of three or more electrode regions, the source, one or more gates, and the drain. A current flowing in a channel between the highly doped source and drain is controlled by the electric field arising from a voltage applied between source and gate. Abbreviation: FET See also JFET, IGFET
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Noun1.field-effect transistor - a transistor in which most current flows in a channel whose effective resistance can be controlled by a transverse electric field
electronic transistor, junction transistor, transistor - a semiconductor device capable of amplification