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Definition of "Gate" |
The terminal of a FET that controls drain current. Also the terminal of a thyristor used to turn on the device. / As applied to logic circuitry, one of several different types of electronic devices that will provide a particular output when specified input conditions are satisfied. Gate; as in AND Gate, OR Gate, NOR Gate, NAND Gate or Inverter [shown to the right]. Also, a circuit in which a signal switches another signal on or off [see Gate Pulse]. The electrode associated with the region in which the electric field due to the control voltage is effective [see FET]. / Graduate Aptitude Test in Engineering, Global Atmosphere Tropical Experiment, GARP Atlantic Tropical Experiment, / The controlling terminal of a FET. A voltage on the gate controls the current flow between the source and drain. / A logic gate is an idealized or physical device implementing a Boolean function; that is, it performs a logical operation on one or more logical inputs, and produces a single logical output. Depending on the context, the term may refer to an ideal logic gate, one that has for instance zero rise time and unlimited fan-out, or it may refer to a non-ideal physical device. / Gate is the portion of the feed system where molten metal enters the mold cavity. It is also called an ingate. / Any device that terminates one end sender or receiver of a communicated signal and with which an end user interacts is called terminal devices. / (1) a logical or physical entity that performs one logical operation, such as AND, NOT, or OR. |
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