Optical receivers

Details Optical receivers Optical receivers

H - Electricity

04

B

325/1, 328/114

H04B 10/00 (2006.01) H03F 3/08 (2006.01) H03K 17/785 (2006.01) H04B 10/158 (2006.01)

Patent

CA 1299245

OPTICAL RECEIVERS Abstract of the Disclosure An optical receiver includes a reverse biassed photodiode whose output is coupled to a transimpedance amplifier. A load impedance for the photodiode comprises a forward biassed semiconductor diode, enabling the photodiode to be biassed using a low voltage supply. A signal compressing arrangement can be provided between the transimpedance amplifier output and the semiconductor diode on the side thereof remote from the photodiode. The transimpedance amplifier can have a capacitive transimpedance element; a filter, including an open circuit transmission line, is described which is coupled to the output of such an optical receiver to provide a desirable form of optical receiver arrangement. The capacitive transimpedance element can be constituted by a capacitance of the photodiode. - i -

596657

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