ALL DIGITAL BURST-MODE CLOCK AND DATA RECOVERY (CDR)
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United States of America Patent
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Issued Date -
Aug 6, 2015
app pub date -
Apr 14, 2015
filing date -
May 15, 2012
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a clock and data recovery (CDR) unit comprising of a bang-bang phase detector to receive data and a recovered clock from a phase selector multiplexer. The phase detector produces a late and an early comparison output. A block (digital filter) receives the late and early input and produces a multiplexer selector control signal. The phase selector multiplexer selects a clock phase as the recovered clock signal using multiplexer selector control signal.
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