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Transistors
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DEFINITION: Also see gallium arsenide field-effect transistor. MOSFET (metal-oxide semiconductor field-effect transistor, pronounced MAWS-feht) is a special type of field-effect transistor (FET) that works by electronically varying the width of a channel along which charge carriers (electrons or holes) flow. The wider the channel, the
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Dataflow Programming for Multicore Systems
sponsored by National Instruments
WHITE PAPER: Posted: 19 Feb 2008 | Published: 01 Jan 2007
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TRANSISTORS DEFINITION (continued): … better the device conducts. The charge carriers enter the channel at the source, and exit via the drain. The width of the channel is controlled by the voltage on an electrode called the gate, which is located physically between the source and the drain and is insulated from the channel by an extremely thin layer of metal oxide. There are two ways in which a MOSFET can function. The first is known as depletion mode. When there is no voltage on the gate, the channel exhibits its maximum conductance. As the voltage on the gate …
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