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Discussion in 'Electronic Basics' started by [email protected], Feb 9, 2005.

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  1. Guest

    This is used as Test and Measuring instrument. Any can throw light on
    this instrument, Use, availabality?

  2. dB

    dB Guest

    The Sinadder is used for measuring the SINAD of a receiver.

    Now sold by Zetron.

  3. Fred Abse

    Fred Abse Guest

    SINAD = 20log ((Signal + Noise + Distortion) / (Noise + Distortion))
    assuming voltages in each case.

    Used as a reference audio output (usually 12dB SINAD) in receiver
    sensitivity tests.

    Availability: Loads of SINAD meters secondhand. Also included in most
    combination test sets.
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