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Ripple voltage measurment

Discussion in 'Electronic Design' started by [email protected], Jun 3, 2008.

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  1. Guest

    Hi all,

    I need to measure the Ripple volatage of the AC to DC adaptor. How can
    i do that using the Logic analyzer.
    Vpk-pk Voltgae gives the Ripple voltage of the power adaptor right.
    but in the test setup the power adpator is connected with 100uF and
    0.1uF in parllel to power adaptor pin and the power adaptor is
    connected to the load. Why we need to connect the parllel capacitors
    in oreder to check the ripple voltage for the power adaptor

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