Optical communications – Receiver – Including optical waveguide
Reexamination Certificate
2006-01-10
2006-01-10
Pascal, Leslie (Department: 2633)
Optical communications
Receiver
Including optical waveguide
C438S011000
Reexamination Certificate
active
06985674
ABSTRACT:
A fiber optic transceiver array and a fiber optic transceiver channel are provided for short wave fiber optic communications. A fiber optic transceiver array for short wave fiber optic communications includes a series of fiber optic transceiver channels. Each fiber optic transceiver channel includes a plurality of test pads. A power distribution bypass capacitor is distributed along the series of fiber optic transceiver channels. A plurality of high voltage power supply and ground connections are coupled through the power distribution bypass capacitor and distributed around the series of fiber optic transceiver channels. A threaded high voltage power supply connection is provided to alternating ones of the series of fiber optic transceiver channels. A threaded ground connection is provided to alternating other ones of the series of fiber optic transceiver channels to reduce power noise generation and susceptibility to noise between adjacent channels. A power to ground decoupling capacitor included with each fiber optic transceiver channel also enhances power noise sensitivity reduction. A fiber optic transceiver channel for short wave fiber optic communications includes at least a high voltage power supply connection and a ground connection. A plurality of test pads includes at least a ground connection and a pair of differential output connections. A channel decoupling capacitor is positioned proximate to the pair of differential output connections.
REFERENCES:
patent: 3969670 (1976-07-01), Wu
patent: 5475224 (1995-12-01), Koh
patent: 5686833 (1997-11-01), Spinner
U.S. Appl. No. 09/995,107, filed Nov. 27, 2001, by Randolph B. Heineke and David W. Siljenberg entitled “Fiber Optic Transceiver Array for Implementing Testing”.
U.S. Appl. No. 09/994,229, filed Nov. 27, 2001, by Randolph B. Heineke and David John Orser entitled “Detector for Short Wave Fiber Optic Communications With Compensation to Reduce Detector Jitter”.
Heineke Randolph B.
Orser David John
International Business Machines - Corporation
Pascal Leslie
Pennington Joan
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