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...se current ''i_B''. Thus, Kirchhoff's current law applied to the transistor as a whole provides the output current drawn through resistor ''R<sub>C</su ...e bipolar transistor ''i_B'' is normally negligible provided the transistor remains in [[Mode (electronics)|active mode]]. That is, based upon the idea

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...istor]] (MOSFET), present by the millions in [[integrated circuit]]s. This transistor was invented by Dawon Khang and Martin Atalla in 1960, another [[Bell Labor ...cheaper, require less power, and obtain faster switching times. The first transistor was made from materials that included a paper clip and a razor blade.

...toff mode''') and the '''on-mode''' (or '''saturation mode''' in [[bipolar transistor]]s, or '''ohmic mode''' for [[MOSFET]]'s), and visits the active mode only ...fers to its ''active mode'', while the ''saturation mode'' of the bipolar transistor invariably refers to its ''on'' mode. This confusion of terminology does no

...appropriate selection of the DC current source it can be arranged that the transistor is configured to operate usefully, that is, it is in [[Mode (electronics)|' ..._in'' is applied to the base. The emitter-to-base voltage of the transistor is hardly affected by the signal, and remains very nearly at the quiescent

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...e-to-air missile]], and also was the first company to produce commercial [[transistor]]s.

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It was the first [[semiconductor]] used to make commercial [[transistor]]s.

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{{r|Metal Oxide Semiconductor Field Effect Transistor}}

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An '''Organic Field-Effect Transistor (OFET)''' is a class of [[thin film transistor]]s based on [[organic semiconductor]]s.

...appropriate selection of the DC current source it can be arranged that the transistor is configured to operate usefully, that is, it is in [[Mode (electronics)|' ...or is very small compared to that in the emitter (lower by a factor of the transistor β). As the signal alters the emitter current, the collector current follow

...that incorporates an emitter degeneration [[resistor]] for only the output transistor, enabling the current source to generate low currents using only moderate r The Widlar circuit may be used with [[bipolar transistor]]s, [[MOSFET|MOS transistors]], and even [[vacuum tube]]s. An example appli