Pulse stretching architecture for phase alignment for high...

Details Pulse stretching architecture for phase alignment for high... Pulse stretching architecture for phase alignment for high...

2007-04-24

2007-04-24

Barlow, John (Department: 2863)

Data processing: measuring, calibrating, or testing

Calibration or correction system

Circuit tuning

C702S106000

Reexamination Certificate

active

11256156

ABSTRACT:
Systems and methods for pulse stretching architectures for phase alignment of multi-frequency clocks for high speed data acquisitions are disclosed. A high speed data acquisition system includes a transmitter and a receiver. The receiver includes a multi-frequency clock generator that generates a plurality of clock signals, a pattern check module that detects a test pattern received from the transmitter and outputs a stretch command signal, and a stretch pulse generator that receives the stretch command signal and provides a stretch pulse signal that aligns the phases of the plurality of clock signals generated by the multi-frequency clock generator. Methods for initializing and shifting multi-phase clock signals to optimize error performance of a high speed data acquisition system are also provided.

REFERENCES:
patent: 4642629 (1987-02-01), Milligan
patent: 5742799 (1998-04-01), Alexander et al.

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