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  2. Transistor - Wikipedia

    en.wikipedia.org/wiki/Transistor

    A transistor is a semiconductor device used to amplify or switch electrical signals and power. It is one of the basic building blocks of modern electronics. [1]

  3. Bipolar junction transistor - Wikipedia

    en.wikipedia.org/wiki/Bipolar_junction_transistor

    3D model of a TO-92 package, commonly used for small bipolar transistors. A bipolar junction transistor (BJT) is a type of transistor that uses both electrons and electron holes as charge carriers. In contrast, a unipolar transistor, such as a field-effect transistor (FET), uses only one kind of charge carrier.

  4. BC548 - Wikipedia

    en.wikipedia.org/wiki/BC548

    The BC548 is a part of a family of NPN and PNP epitaxial silicon transistors that originated with the metal-cased BC108 family of transistors.The BC548 is the modern plastic-packaged BC108; [6] the BC548 article at the Radiomuseum website [7] describes the BC548 as a successor to the BC238 and differing from the BC108 in only the shape of the package.

  5. Heterojunction bipolar transistor - Wikipedia

    en.wikipedia.org/wiki/Heterojunction_bipolar...

    A heterojunction bipolar transistor (HBT) is a type of bipolar junction transistor (BJT) that uses different semiconductor materials for the emitter and base regions, creating a heterojunction. The HBT improves on the BJT in that it can handle signals of very high frequencies, up to several hundred GHz .

  6. History of the transistor - Wikipedia

    en.wikipedia.org/wiki/History_of_the_transistor

    The MOSFET, also known as the MOS transistor, was the first truly compact transistor that could be miniaturised and mass-produced for a wide range of uses. [46] It revolutionized the wider electronics industry , [ 85 ] including power electronics , [ 86 ] consumer electronics , control systems, and computers . [ 87 ]

  7. Common source - Wikipedia

    en.wikipedia.org/wiki/Common_source

    In electronics, a common-source amplifier is one of three basic single-stage field-effect transistor (FET) amplifier topologies, typically used as a voltage or transconductance amplifier. The easiest way to tell if a FET is common source, common drain, or common gate is to examine where the signal enters and leaves. The remaining terminal is ...

  8. Darlington transistor - Wikipedia

    en.wikipedia.org/wiki/Darlington_transistor

    Darlington Transistor (NPN-type) In electronics, a Darlington configuration (commonly called as a Darlington pair) is a circuit consisting of two bipolar transistors with the emitter of one transistor connected to the base of the other, such that the current amplified by the first transistor is amplified further by the second one. [1]

  9. Field-effect transistor - Wikipedia

    en.wikipedia.org/wiki/Field-effect_transistor

    The SB-FET (Schottky-barrier field-effect transistor) is a field-effect transistor with metallic source and drain contact electrodes, which create Schottky barriers at both the source-channel and drain-channel interfaces. [64] [65] The GFET is a highly sensitive graphene-based field effect transistor used as biosensors and chemical sensors.