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metal-oxide semiconductor

electronics
Also known as: MOS

Learn about this topic in these articles:

transistors

  • NMOS transistorNegative-channel metal-oxide semiconductors (NMOS) employ a positive secondary voltage to switch a shallow layer of p-type semiconductor material below the gate into n-type. For positive-channel metal-oxide semiconductors (PMOS), all these polarities are reversed. NMOS transistors are more expensive, but faster, than PMOS transistors.
    In transistor: MOS-type transistors

    A similar principle applies to metal-oxide-semiconductor (MOS) transistors, but here it is the distance between source and drain that largely determines the operating frequency. In an n-channel MOS (NMOS) transistor, for example, the source and the drain are two n-type regions that have…

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