Smart pixel optical receiver employing sense amplifier and metho

Details Smart pixel optical receiver employing sense amplifier and metho Smart pixel optical receiver employing sense amplifier and metho

1995-12-07

1997-07-01

Chin, Wellington

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359194, 250214A, H04B 1006

Patent

active

056444184

ABSTRACT:
An optical receiver, a method of converting an optical signal into an output electrical signal suitable for use by digital circuitry and an optoelectronic data processing system. The optical receiver includes: (1) an optical sensor for receiving an optical signal, generating in response thereto an analog electrical signal and transmitting the analog electrical signal therefore along an electrical path and (2) a sense amplifier having cross-coupled inverting amplifiers and a clock input, at least one of first and second inputs of the sense amplifier coupled to the electrical path, respectively, to allow the sense amplifier to detect the analog electrical signal when a clock signal at the clock input is high, regenerative feedback within the sense amplifier driving the first and second outputs to complementary logic levels when the clock signal is low, the clock signal controlling the regenerative feedback of the sense amplifier to amplify the analog electrical signal into an output electrical signal provided at the first and second outputs and suitable for use by digital circuitry operating as part of an optoelectronic data processing system.

REFERENCES:
patent: 4713841 (1987-12-01), Porter et al.
patent: 5239402 (1993-08-01), Little, Jr. et al.
patent: 5389776 (1995-02-01), Woodward
patent: 5532471 (1996-07-01), Khurramabadi et al.
Clocked-Sense-Amplifier-Based Smart-Pixel Optical Receivers, Woodward et al, IEEE Photonics Technology Letters, vol. 8 No. 8 Aug. 1996 pp. 1067-1069.

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