Phase-detector circuit for binary-tracking loops and other binary-data acquisition systems minimizes effects of drift, gain imbalance, and voltage offset in detector circuitry. Input signal passes simultaneously through two channels where it is mixed with early and late codes that are alternately switched between channels. Code switching is synchronized with polarity switching of detector output of each channel so that each channel uses each detector for half time. Net result is that dc offset errors are canceled, and effect of gain imbalance is simply change in sensitivity.


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    Title :

    Chopper-stabilized phase detector


    Contributors:

    Published in:

    Publication date :

    1978-10-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English





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