Digital pulse detector

Details Digital pulse detector Digital pulse detector

1992-05-08

1994-07-12

Chin, Stephen

Pulse or digital communications

Repeaters

Testing

375 76, 328151, H04L 2706

Patent

active

053295544

ABSTRACT:
Disclosed is a pulse detector that uses four samples of an analog signal to detect a pulse as soon as one sample beyond the time of the peak of the signal level at the pulse. The pulse detector can detect pulses by sampling at the center of a peak of the pulse or by sampling at either side of the peak of the pulse. The pulse detector detects pulses while tracking data, and it uses an alternate detection system for detecting pulses while acquiring timing and gain lock on a signal having a known data pattern. The detector uses either the sampled signal levels directly, or a moving average of two samples to perform the detection.

REFERENCES:
patent: 4566044 (1986-01-01), Langdon, Jr. et al.
patent: 4628269 (1986-12-01), Hunninghaus et al.
patent: 4788507 (1988-11-01), Berkowitz et al.
patent: 5105447 (1992-04-01), Iwane
W. L. Abbott, J. M. Cioffi and H. K. Thapar, "Channel Equalization Methods for Magnetic Storage", presented at the International Conference on Communications, 1989.

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