Data recovery method and apparatus

Details Data recovery method and apparatus Data recovery method and apparatus

2005-06-14

2005-06-14

Liu, Shuwang (Department: 2634)

Pulse or digital communications

Synchronizers

Synchronizing the sampling time of digital data

C375S335000, C375S354000, C375S240280

Reexamination Certificate

active

06907096

ABSTRACT:
In order to recover phase information, data transmitted at a first frequency is over-sampled using a clock at a second frequency, n times per bit time to obtain n samples. The n samples are used to detect the transitions between two logic levels in said transmitted data which are stored in groups of m sets of said n edge results which are, in turn output at a clock frequency which is the second frequency divided by m, for further processing.

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A 0.5-μm CMOS 4.0-Gbit/s Serial Link Transceiver with Data Recovery Using Oversampling/IEEE Journal of Solid-State Circuits, vol. 33, No. 5, May 1998.

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