RECTIFIER UTILIZING PLURAL CHANNELS FOR ELIMINATING RIPPLE
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Abstract
D R A W I N G
AN OPERATIONAL RECITIFER OR CONVERTER INCLUDING A SERIES RC CIRCUIT TO CONDUCT AN AC SIGNAL TO A SUMMING JUNCTION AND A SECOND CIRCUIT PARALLEL TO THE SERIES RC CIRCUIT FOR DEVELOPING A DC COMPONENT AND AN INVERTED AC COMPONENT TO CANCEL THE AC CONDUCTED BY THE SERIES CIRCUIT. THE SECOND CIRCUIT INCLUDES AN OPERATIONAL AMPLIFIER HAVING TWO IDENTICAL DIODE-RESISTANCE FEEDBACK CIRCUITS. THE DC COMPONENT AND ONE HALF OF THE AC COMPONENT IS TAKEN FROM ONE FEEDBACK CIRCUIT THROUGH A RESISTOR, AND THE OTHER HALF OF THE AC COMPONENT IS COUPLED FROM THE OTHER FEEDBACK CIRCUIT THROUGH A CAPACITOR, TO THE OUTPUT TERMINAL. A SECOND EMBODIMENT SHOWS SUPPRESSION AND COMPENSATION CIRCUITS TO REFINE CIRCUIT OPERATION.
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