Threshold setting device

Details Threshold setting device Threshold setting device

1995-10-06

1998-09-08

Bocure, Tesfaldet

Pulse or digital communications

Receivers

Automatic baseline or threshold adjustment

359194, H04L 2506, H04L 2510

Patent

active

058056416

ABSTRACT:
An input digital signal developed by a signal source e.g. a photodiode is time-averaged and mirrored by a current mirror to generate one or more decision thresholds. The thresholds may be a set or variable fraction of the average current and track any variation in the average current. This obviates the need for limiting or AGC amplifiers that would otherwise be necessary to maintain the input signal level constant if the thresholds were fixed.

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