Optical communications – Optical transceiver
Reexamination Certificate
2007-05-29
2007-05-29
Singh, Dalzid (Department: 2613)
Optical communications
Optical transceiver
C398S138000, C398S164000
Reexamination Certificate
active
10282669
ABSTRACT:
An optical transceiver module having a digital control interface is disclosed. The optical transceiver module comprises a controller and integrated post-amplifier/laser driver, which are included on a printed circuit board disposed in the module. Transmitting and receiving optical sub-assemblies are also disposed in the module. A digital signal interface interconnects the controller with the integrated post-amplifier/laser driver. Digital control signals produced by the controller are transmitted via the digital signal interface to the integrated post-amplifier/laser driver. After receipt by the integrated post-amplifier/laser driver, the digital control signals are converted to analog control signals and forwarded to control amplifiers that use the control signals to vary a plurality of operating parameters of the transceiver module. The digital signal interface can also be employed to provide feedback to the controller relating to the operation of the control devices.
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Case Dan
Giaretta Giorgio
Weber Andreas
Finisar Corporation
Singh Dalzid
Workman Nydegger
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