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  2. Touch switch - Wikipedia

    en.wikipedia.org/wiki/Touch_switch

    A touch switch is a type of switch that only has to be touched by an object to operate. It is used in many lamps and wall switches that have a metal exterior as well as on public computer terminals. A touchscreen includes an array of touch switches on a display. A touch switch is the simplest kind of tactile sensor.

  3. Push-button telephone - Wikipedia

    en.wikipedia.org/wiki/Push-button_telephone

    A push-button telephone is a telephone that has buttons or keys for dialing a telephone number, in contrast to a rotary dial used in earlier telephones.. Western Electric experimented as early as 1941 with methods of using mechanically activated reeds to produce two tones for each of the ten digits and by the late 1940s such technology was field-tested in a No. 5 Crossbar switching system in ...

  4. Transistor–transistor logic - Wikipedia

    en.wikipedia.org/wiki/Transistortransistor_logic

    Transistortransistor logic (TTL) is a logic family built from bipolar junction transistors. Its name signifies that transistors perform both the logic function (the first "transistor") and the amplifying function (the second "transistor"), as opposed to earlier resistor–transistor logic (RTL) and diode–transistor logic (DTL).

  5. Pass transistor logic - Wikipedia

    en.wikipedia.org/wiki/Pass_transistor_logic

    M5 and M6 are bidirectional pass transistors. a 10-transistor CMOS gated D latch, similar to the ones in the CD4042 or the CD74HC75 integrated circuits. Pass transistor logic often uses fewer transistors, runs faster, and requires less power than the same function implemented with the same transistors in fully complementary CMOS logic. [3]

  6. List of MOSFET applications - Wikipedia

    en.wikipedia.org/wiki/List_of_MOSFET_applications

    MOSFET, showing gate (G), body (B), source (S), and drain (D) terminals. The gate is separated from the body by an insulating layer (pink).. The MOSFET (metal–oxide–semiconductor field-effect transistor) [1] is a type of insulated-gate field-effect transistor (IGFET) that is fabricated by the controlled oxidation of a semiconductor, typically silicon.

  7. Scientists Made a Transistor That Survives 100 Billion ... - AOL

    www.aol.com/scientists-made-transistor-survives...

    By creating a new kind of transistor using an ultrathin ferroelectric material made from boron nitride, the team used its unique electrical properties to create a super-fast, extremely tough, and ...

  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. Diode–transistor logic - Wikipedia

    en.wikipedia.org/wiki/Diode–transistor_logic

    Diode–transistor logic (DTL) is a class of digital circuits that is the direct ancestor of transistortransistor logic. It is called so because the logic gating functions AND and OR are performed by diode logic , while logical inversion (NOT) and amplification (providing signal restoration) is performed by a transistor (in contrast with ...

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