Simple circuit provides interface between normally incompatible voicecommunication lines. Circuit maintains 40 dB of isolation between input and output halves of four-wire line permitting two-wire line to be connected. Balancing potentiometer, Rg, adjusts gain of IC2 to null feed through from input to output. Adjustment is done on workbench just after assembly.


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    Title :

    Two-Wire to Four-Wire Audio Converter


    Contributors:

    Published in:

    Publication date :

    1983-08-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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