Fiber optic receiver with an adjustable bandwidth...

Details Fiber optic receiver with an adjustable bandwidth... Fiber optic receiver with an adjustable bandwidth...

2006-07-04

2006-07-04

Payne, David C. (Department: 2638)

Optical communications

Receiver

C398S210000

Reexamination Certificate

active

07072590

ABSTRACT:
In one aspect, the invention features a fiber optic receiver that includes a preamplifier circuit incorporated together with an opto-electronic transducer in a receiver optical sub-assembly (ROSA), and an adjustable bandwidth post-amplifier that is located outside the ROSA to allow the overall size of the receiver package to be reduced. The ROSA is mounted on a substrate and is fitted with a fiber optic connector for coupling to a mating connector of a fiber optic cable. The opto-electronic transducer is incorporated within the ROSA and is configured to generate an electrical data signal in response to a received optical data signal. The preamplifier circuit is incorporated within the ROSA and is operable to linearly amplify an electrical data signal generated by the opto-electronic transducer. The adjustable bandwidth post-amplifier circuit is mounted on the substrate and is coupled to an output of the preamplifier circuit.

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