Burst mode digital data receiver

Pulse or digital communications – Receivers – Automatic baseline or threshold adjustment

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375345, 330 11, 327 52, 327 58, H04L 2506

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active

054307660

ABSTRACT:
A dc-coupled packet mode digital data receiver, for use with an optical bus uses peak detectors to adaptively establish an instantaneous logic threshold at the beginning of a data burst. A dc compensator, responsive to outputs of the peak detectors, shunts dc or low frequency currents, corresponding to "dark level" optical signals, from the input of the receiver.

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