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  2. In-phase and quadrature components - Wikipedia

    en.wikipedia.org/wiki/In-phase_and_quadrature...

    S is the signal . IQ data has extensive use in many signal processing contexts, including for radio modulation, software-defined radio, audio signal processing and electrical engineering. I/Q data is a two-dimensional stream. Some sources treat I/Q as a complex number; [1] with the I and Q components corresponding to the real and imaginary parts.

  3. Isolation amplifier - Wikipedia

    en.wikipedia.org/wiki/Isolation_amplifier

    Isolation amplifiers are a form of differential amplifier that allow measurement of small signals in the presence of a high common mode voltage by providing electrical isolation and an electrical safety barrier. They protect data acquisition components from common mode voltages, which are potential differences between instrument ground and ...

  4. Plastoquinone - Wikipedia

    en.wikipedia.org/wiki/Plastoquinone

    Plastoquinone (PQ) is a terpenoid-quinone (meroterpenoid) molecule involved in the electron transport chain in the light-dependent reactions of photosynthesis. The most common form of plastoquinone, known as PQ-A or PQ-9, is a 2,3-dimethyl-1,4- benzoquinone molecule with a side chain of nine isoprenyl units.

  5. Differential signalling - Wikipedia

    en.wikipedia.org/wiki/Differential_signalling

    The receiving circuit responds to the difference between the two signals, which results in a signal with a magnitude twice as large. The symmetrical signals of differential signalling may be referred to as balanced , but this term is more appropriately applied to balanced circuits and balanced lines which reject common-mode interference when ...

  6. Error amplifier (electronics) - Wikipedia

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

    This electronics-related article is a stub. You can help Wikipedia by expanding it.

  7. Fully differential amplifier - Wikipedia

    en.wikipedia.org/wiki/Fully_differential_amplifier

    A fully differential amplifier (FDA) is a DC-coupled high-gain electronic voltage amplifier with differential inputs and differential outputs. In its ordinary usage, the output of the FDA is controlled by two feedback paths which, because of the amplifier's high gain, almost completely determine the output voltage for any given input.