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  2. Electrical tape - Wikipedia

    en.wikipedia.org/wiki/Electrical_tape

    Electrical Tape Color Codes [2] Tape color Usage (U.S.) Usage (U.K.) Usage (International – new) Black Insulation Low voltage, phase A Insulation Low voltage, phase C Low voltage, phase B Red Low voltage, phase B Low voltage, phase A Sheath, 415 V 3 phase Blue Low voltage, phase C Low voltage, phase C Low voltage, neutral Sheath, 230 V Brown

  3. Negative-feedback amplifier - Wikipedia

    en.wikipedia.org/wiki/Negative-feedback_amplifier

    Paul Voigt patented a negative feedback amplifier in January 1924, though his theory lacked detail. [4] Harold Stephen Black independently invented the negative-feedback amplifier while he was a passenger on the Lackawanna Ferry (from Hoboken Terminal to Manhattan) on his way to work at Bell Laboratories (located in Manhattan instead of New Jersey in 1927) on August 2, 1927 [5] (US Patent ...

  4. Digital timing diagram - Wikipedia

    en.wikipedia.org/wiki/Digital_timing_diagram

    A timing diagram can contain many rows, usually one of them being the clock. It is a tool commonly used in digital electronics, hardware debugging, and digital communications. Besides providing an overall description of the timing relationships, the digital timing diagram can help find and diagnose digital logic hazards.

  5. Metal electrode leadless face - Wikipedia

    en.wikipedia.org/wiki/Metal_electrode_leadless_face

    Metal electrode leadless face (MELF) is a type of leadless cylindrical electronic surface mount device that is metallized at its ends. MELF devices are usually diodes and resistors. [1] The EN 140401-803 and JEDEC DO-213 standards describe multiple MELF components. [2]

  6. Electrical termination - Wikipedia

    en.wikipedia.org/wiki/Electrical_termination

    The terminator is usually placed at the end of a transmission line or daisy chain bus (such as in SCSI), and is designed to match the AC impedance of the cable and hence minimize signal reflections, and power losses. Less commonly, a terminator is also placed at the driving end of the wire or cable, if not already part of the signal-generating ...

  7. Field-effect transistor - Wikipedia

    en.wikipedia.org/wiki/Field-effect_transistor

    The MOSFET is also capable of handling higher power than the JFET. [33] The MOSFET was the first truly compact transistor that could be miniaturised and mass-produced for a wide range of uses. [6] The MOSFET thus became the most common type of transistor in computers, electronics, [34] and communications technology (such as smartphones). [35]

  8. Electromagnetic coil - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_coil

    The magnetic field lines (green) of a current-carrying loop of wire pass through the center of the loop, concentrating the field there. An electromagnetic coil is an electrical conductor such as a wire in the shape of a coil (spiral or helix).

  9. Megohmmeter - Wikipedia

    en.wikipedia.org/wiki/Megohmmeter

    Megohmmeter M1101M. A Megohmmeter or insulation resistance tester, is a special type of ohmmeter used to measure the electrical resistance of insulators. [1] Insulating components, for example cable jackets, must be tested for their insulation strength at the time of commissioning and as part of maintenance of high voltage electrical equipment and installations.

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