Digital calibration of analog distortion using split analog front-end

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United States of America Patent

PATENT NO 9031177
APP PUB NO 20140177768A1
SERIAL NO

13722429

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A receiver is disclosed that is capable of correcting for harmonic distortion injected into received analog signals. The receiver splits the analog signal in the analog front-end and modifies the split analog signals with a difference signal. After amplification and/or sampling, the modified analog signals are recombined in a main data pathway and are kept separate in a secondary pathway. Utilizing the difference signal, a feedback loop that includes distorters and an LMS filter detects the distortion coefficient of the harmonic distortion. A distorter in the main data pathway utilizes the detected distortion coefficient to correct the harmonic distortion in the analog signal.

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Patent Owner(s)

  • AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) PTE. LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
van, der Goes Frank The Hague, NL 17 71
Westra, Jan Roelof Uithoorn, NL 16 130

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