DC-coupled receiver for shared optical system

Details DC-coupled receiver for shared optical system DC-coupled receiver for shared optical system

1996-03-20

1998-09-01

Bacares, Rafael

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359194, 330 11, H04B 1006

Patent

active

058018670

ABSTRACT:
A dc-coupled receiver for a shared optical system includes an input feedback amplifier circuit which establishes a dc reference baseline voltage level for incoming packets of data. A pair of sample-and-hold circuits are connected in parallel to receive and sample signals from the feedback amplifier circuit when no data is being transmitted and at the initial edge of incoming packets of data. A voltage divider circuit receiving signals from the sample-and-hold circuits establishes a dc slicing level for each incoming packet of data. An output feedback circuit can be added to compensate for offset error without affecting the performance of the sample-and-hold circuitry.

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C.M. de Blok et al., Fast Low Cost Feed-Forward Burst-Mode Optical Receiver For 622 Mb/s (1993).

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