US Patent 9638725 Optical receiver and light reception current monitoring method
Patent 9638725 was granted and assigned to Sumitomo Electric Industries on May, 2017 by the United States Patent and Trademark Office.
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An optical receiver includes a light reception element for receiving an optical signal, a bias voltage supply/monitoring circuit for supplying a bias voltage to the light reception element and generating a monitoring voltage indicating magnitude of an output current of the light reception element, and a constant current source. The bias voltage supply/monitoring circuit is supplied with a remaining current obtained by subtracting the output current of the light reception element from an output current of the constant current source. The bias voltage supply/monitoring circuit converts the remaining current to the monitoring voltage.
US Patent 09638725 Optical receiver and light reception current monitoring method US Patent 9638725 Optical receiver and light reception current monitoring method
US Patent 09638725 Optical receiver and light reception current monitoring method
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