Noise cancellation circuits and methods
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United States of America Patent
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Feb 14, 2006
Grant Date -
Nov 10, 2005
app pub date -
May 5, 2004
filing date -
May 5, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Circuits and methods for coherent noise cancellation are provided. More specifically, circuits and methods are provided for coherent cancellation of noise that is present in a data signal due to noise being present in the source signal (e.g., an optical signal) that is used to produce the data signal. The circuits, which use a subtraction process rather than division, are easy to implement in a chip, and provide for wide bandwidth performance.
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