Optical receiver capable of responding to both burst and continu

Details Optical receiver capable of responding to both burst and continu Optical receiver capable of responding to both burst and continu

1997-10-17

2000-06-27

Pascal, Leslie

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359189, 359161, 327309, 375317, H04B 1006, H04B 1000, H03L 500, H04L 2506

Patent

active

060813628

ABSTRACT:
An optical receiver can operate in response to an input optical signal to produce an output electrical signal. The optical receiver comprises a photo diode (340) for transducing the input optical signal into an electrical signal, a plurality of limit amplifier circuits (310-1, 310-2, . . . , and 310-n) which are connected in series which are connected in series to one another and which have offset compensation functions determined by controllable offset compensation time constants, respectively. The plurality of limit amplifier circuits amplify the electrical signal to produce an amplified and controlled electrical signal in dependency upon the offset compensation time constants controlled. The optical receiver further comprises adjusting circuits (320-1, 320-2, . . . , and 320-n) connected to the limit amplifier circuits for adjusting at least one of the offset compensation time constants to make the limit amplifier circuits produce the amplified and controlled electrical signal and an output terminal OUT for producing the amplified and controlled electrical signal as the output electrical signal.

REFERENCES:
patent: 4257125 (1981-03-01), Theall, Jr.
patent: 5475342 (1995-12-01), Nakamura et al.
patent: 5636048 (1997-06-01), Kogure et al.

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