Method and systems for analyzing the quality of high-speed...

Details Method and systems for analyzing the quality of high-speed... Method and systems for analyzing the quality of high-speed...

2007-08-21

2007-08-21

Corrielus, Jean B. (Department: 2611)

Pulse or digital communications

Testing

Data rate

C702S069000

Reexamination Certificate

active

10697495

ABSTRACT:
A method and systems for analyzing the quality of high-speed signals, when signals can not be over-sampled due to sampler clock rates, is disclosed. According to the method of the invention, the position of a phase rotator is moved from one end to the other and data are sampled at each position (500). Then, data are formatted (505) to obtain a global value characterizing the signal behavior. Finally, this global value is corrected (510) to remove signal transition falsely detected too early. The use of the phase rotator multiplies artificially the number of sampling positions.

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Schreiner et al, Automatic distortion correction for efficiency pulse transmission, Jan. 1965,IBM Journal pp. 20-30.

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