Limit detector with hysteresis

Details Limit detector with hysteresis Limit detector with hysteresis

2007-02-13

2007-02-13

Kumar, Pankaj (Department: 2611)

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

Reexamination Certificate

active

10391847

ABSTRACT:
A method and apparatus for processing a signal is presented. An accumulator receives an input signal and generates an accumulated value. A hysteresis controller sets an adjustable upper and lower limit. The upper and lower limits are compared with the accumulated value in a comparator. The comparator outputs a result, which is fed back into the hysteresis controller through a feedback loop. Once the input signal stays within the upper and lower limits, a test signal is considered within specification. When the input signal is outside of the boundary limits, a corrupt test signal is detected.

REFERENCES:
patent: 5703902 (1997-12-01), Ziv et al.

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