Method and apparatus for reducing oscillation in synchronous circuits
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United States of America Patent
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Jun 21, 2011
Grant Date -
Jan 21, 2010
app pub date -
Sep 29, 2009
filing date -
Jun 5, 2006
priority date (Note) -
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Abstract
Control signal oscillation filtering circuits, delay-locked loops, clock synchronization methods and devices and systems incorporating control signal oscillation filtering circuits are described. An oscillation filtering circuit includes a first oscillation filter configured to filter oscillations and a majority filter configured to average filter an output of a phase detector and generate in response thereto control signals to an adjustable delay line.
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