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  2. Capacitive sensing - Wikipedia

    en.wikipedia.org/wiki/Capacitive_sensing

    This consists of two capacitors in series, one of a known value and the other of an unknown value. An output signal is then taken from across one of the capacitors. The value of the unknown capacitor can be found from the ratio of capacitances, which equals the ratio of the output/input signal amplitudes, as could be measured by an AC voltmeter.

  3. Vehicle audio - Wikipedia

    en.wikipedia.org/wiki/Vehicle_audio

    Connectors for car audio, where ISO 10487 Harness Adapter is used. Capacitors. Mobile audio power amplifiers. Amplifiers increase the power level of audio signals. Some head units have built-in stereo amplifiers. Other car audio systems use a separate stand-alone amplifier.

  4. Charge-coupled device - Wikipedia

    en.wikipedia.org/wiki/Charge-coupled_device

    2009 Nobel Prize in Physics laureates George E. Smith and Willard Boyle, 2009, photographed on a Nikon D80, which uses a CCD sensor. The basis for the CCD is the metal–oxide–semiconductor (MOS) structure, [2] with MOS capacitors being the basic building blocks of a CCD, [1] [3] and a depleted MOS structure used as the photodetector in early CCD devices.

  5. List of car audio manufacturers and brands - Wikipedia

    en.wikipedia.org/wiki/List_of_car_audio...

    This list of car audio manufacturers and brands comprises brand labels and manufacturers of both original equipment manufacturer (OEM) and after-market products generally related to in-car entertainment that already have articles within Wikipedia. While components sold by these companies have much in common with other audio applications or may ...

  6. Capacitance probe - Wikipedia

    en.wikipedia.org/wiki/Capacitance_probe

    Each capacitor sensor consists of two metal rings mounted on the circuit board at some distance from the top of the access tube. These rings are a pair of electrodes, which form the plates of the capacitor with the soil acting as the dielectric in between. The plates are connected to an oscillator, consisting of an inductor and a capacitor. The ...

  7. Charge pump - Wikipedia

    en.wikipedia.org/wiki/Charge_pump

    A charge pump is a kind of DC-to-DC converter that uses capacitors for energetic charge storage to raise or lower voltage. Charge-pump circuits are capable of high efficiencies , sometimes as high as 90–95%, while being electrically simple circuits.

  8. EEStor - Wikipedia

    en.wikipedia.org/wiki/EEStor

    EV Charging time (full) – 100% charge 3–6 min > 3.0 h 3–15 h > 3.0 h Cycle Life (80% discharge) 1 million: 300 600 1000 Life Reduced with deep cycle use none: very high high very high Hazardous Materials none: yes yes yes Temperature vs. effect on energy storage negligible: high very high high

  9. Inrush current - Wikipedia

    en.wikipedia.org/wiki/Inrush_current

    A discharged or partially charged capacitor appears as a short circuit to the source when the source voltage is higher than the potential of the capacitor. A fully discharged capacitor will take approximately 5 RC time periods to fully charge; during the charging period, instantaneous current can exceed steady-state current by a substantial ...

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