Switchable-bandwidth optical receiver

Details Switchable-bandwidth optical receiver Switchable-bandwidth optical receiver

2005-03-01

2005-03-01

Bocure, Tesfaldet (Department: 2631)

Pulse or digital communications

Receivers

C375S377000, C370S468000, C340S855700, C455S266000, C398S202000

Reexamination Certificate

active

06862322

ABSTRACT:
A switchable bandwidth optical receiver is implemented in a front-end of the receiver in at least one of three ways. A switchable impedance may be provided at the input to a preamplifier of the front end, the preamplifier of the front-end may have a switchable impedance therein, and/or a switchable filter may be provided at an output of the preamplifier.

REFERENCES:
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patent: 4574249 (1986-03-01), Williams
patent: 4792993 (1988-12-01), Ma
patent: 4835778 (1989-05-01), Kafka et al.
patent: 5055759 (1991-10-01), Miyahara
patent: 5157684 (1992-10-01), Benda et al.
patent: 5257285 (1993-10-01), Thorp
patent: 5432474 (1995-07-01), Lauffenburger et al.
patent: 20030026290 (2003-02-01), Umayabashi
patent: 314373 (1989-05-01), None
patent: 03270504 (1991-12-01), None
patent: WO 9100655 (1991-01-01), None

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