Improved isolation amplifier transmits dc or low-frequency analog signal by use of digital pulses. Relatively imprecise digital pulses convey analog signal with relatively high precision. Amplifier implements sigma-delta modulation scheme. Circuit used wherever conventional amplifier needed. Includes medical instrumentation, switching-type power supplies, and other applications in which input voltages must be measured in presence of large common-mode voltages.


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    Title :

    Isolation Amplifier Based On Sigma-Delta Modulation


    Contributors:

    Published in:

    Publication date :

    1994-07-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English





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