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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] It is composed of semiconductor material, usually with at least three terminals for connection to an electronic circuit.

  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. Common base - Wikipedia

    en.wikipedia.org/wiki/Common_base

    Figure 1: Basic NPN common base circuit (neglecting biasing details). In electronics, a common-base (also known as grounded-base) amplifier is one of three basic single-stage bipolar junction transistor (BJT) amplifier topologies, typically used as a current buffer or voltage amplifier.

  5. 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.

  6. Common emitter - Wikipedia

    en.wikipedia.org/wiki/Common_emitter

    Figure 1: Basic NPN common-emitter circuit (neglecting biasing details) In electronics, a common-emitter amplifier is one of three basic single-stage bipolar-junction-transistor (BJT) amplifier topologies, typically used as a voltage amplifier. It offers high current gain (typically 200), medium input resistance and a high output resistance.

  7. Insulated-gate bipolar transistor - Wikipedia

    en.wikipedia.org/wiki/Insulated-gate_bipolar...

    [8] [11] [12] In 1957 Frosch and Derick published their work on building the first silicon dioxide transistors, including a NPNP transistor, the same structure as the IGBT. [13] The basic IGBT mode of operation, where a pnp transistor is driven by a MOSFET, was first proposed by K. Yamagami and Y. Akagiri of Mitsubishi Electric in the Japanese ...

  8. Common collector - Wikipedia

    en.wikipedia.org/wiki/Common_collector

    Figure 1: Basic NPN common collector circuit (neglecting biasing details).. In electronics, a common collector amplifier (also known as an emitter follower) is one of three basic single-stage bipolar junction transistor (BJT) amplifier topologies, typically used as a voltage buffer.

  9. Common source - Wikipedia

    en.wikipedia.org/wiki/Common_source

    Figure 1: Basic N-channel JFET common-source circuit (neglecting biasing details). Figure 2: Basic N-channel JFET common-source circuit with source degeneration. 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.

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