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  2. Reference designator - Wikipedia

    en.wikipedia.org/wiki/Reference_designator

    Integrated circuit (IC) shorter "U" (unit) is preferred instead of "IC" V: Vacuum tube: VR: Voltage regulator (voltage reference), or variable resistor (potentiometer / trimmer / rheostat) voltage regulators are often "U" for IC, pots and trimmers often "R" for resistor X

  3. Circuit diagram - Wikipedia

    en.wikipedia.org/wiki/Circuit_diagram

    A circuit diagram (or: wiring diagram, electrical diagram, elementary diagram, electronic schematic) is a graphical representation of an electrical circuit. A pictorial circuit diagram uses simple images of components, while a schematic diagram shows the components and interconnections of the circuit using standardized symbolic representations.

  4. Digital potentiometer - Wikipedia

    en.wikipedia.org/wiki/Digital_potentiometer

    This may not be the case when a digital potentiometer is used. Both electro-mechanical and digital potentiometers generally have poor tolerances (typically ±20%), [7] poor temperature coefficients [8] (up to many hundreds of ppm per degree C), [8] and a stop resistance that is typically about 0.5-1% of the full scale resistance. Note that stop ...

  5. Potentiometer - Wikipedia

    en.wikipedia.org/wiki/Potentiometer

    The 'log pot', that is, a potentiometer has a resistance, taper, or, "curve" (or law) of a logarithmic (log) form, is used as the volume control in audio power amplifiers, where it is also called an "audio taper pot", because the amplitude response of the human ear is approximately logarithmic. It ensures that on a volume control marked 0 to 10 ...

  6. File:Digital Potentiometer Schematic Symbol Example.svg

    en.wikipedia.org/wiki/File:Digital_Potentiometer...

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  7. File:Resistor, Rheostat (variable resistor), and ...

    en.wikipedia.org/wiki/File:Resistor,_Rheostat...

    English: American-style resistor (a), rheostat (variable resistor) (b), and potentiometer (c) electrical schematic symbols. Date: 4 December 2011: Source: Own work ...

  8. Potentiometer (measuring instrument) - Wikipedia

    en.wikipedia.org/wiki/Potentiometer_(measuring...

    A potentiometer being calibrated and then measuring an unknown voltage. R 1 is the resistance of the entire resistance wire. The arrow head represents the moving wiper. In this circuit, the ends of a uniform resistance wire R 1 are connected to a regulated DC supply V S for use as a voltage divider.

  9. Trimmer (electronics) - Wikipedia

    en.wikipedia.org/wiki/Trimmer_(electronics)

    The skeleton potentiometer works like a regular circular potentiometer, but is stripped of its enclosure, shaft, and fixings. The full movement of a skeleton potentiometer is less than a single turn. The other type is the multi-turn potentiometer which moves the slider along the resistive track via a gearing arrangement. The gearing is such ...