Time division multiplexing of analog signals in an optical...

Details Time division multiplexing of analog signals in an optical... Time division multiplexing of analog signals in an optical...

2008-04-08

2008-04-08

Sedighian, M. R. (Department: 2613)

Optical communications

Optical transceiver

C398S138000, C398S130000, C398S128000

Reexamination Certificate

active

10703699

ABSTRACT:
An optical transceiver module having a multiplexing analog control interface. The optical transceiver module comprises a controller and integrated post-amplifier/laser driver, which are included on a printed circuit board associated with the module. Transmitting and receiving optical sub-assemblies are also included in the module. A time division multiplexing analog control signal interface interconnects the controller with the integrated post-amplifier/laser driver. Digital control signals produced by the controller are converted and combined into a multiplexed analog control signal and transmitted via the interface to the integrated post-amplifier/laser driver. After receipt by the integrated post-amplifier/laser driver, the multiplexed analog control signal is divided into discrete analog control signals and forwarded to a plurality of control devices that use the control signals to modify a plurality of operating parameters of the transceiver module. The time division multiplexing analog control signal interface can also be employed to provide feedback to the controller relating to the operation of the control devices.

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