Electronic circuitry with self-calibrating feedback for use...

Details Electronic circuitry with self-calibrating feedback for use... Electronic circuitry with self-calibrating feedback for use...

G - Physics

01

R

324/59

G01R 15/24 (2006.01)

Patent

CA 1220525

51,236 ABSTRACT OF THE DISCLOSURE There is provided by this invention an electron- ic circuit for interfacing with a magneto-optical current sensor employing the Faraday effect to measure current in a high voltage transmission line. A DC biasing voltage is applied to the output of a photodetector to substantially eliminate the DC component providing a substantially AC output signal to the circuit. There is also provided a negative low pass error feedback to self-calibrate the circuit.

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