System and method for clock offset detection

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United States of America Patent

PATENT NO 8446531
APP PUB NO 20100007795A1
SERIAL NO

12170198

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A system and method for detecting a sampling clock offset of an analog-to-digital converter used to digitize an analog image signal. A method comprises buffering samples of an analog image signal, computing a value of an autocorrelation function using the buffered samples and a delayed version of the buffered samples, and repeating the computing a value for delays in a range of delays. The method also comprises computing a sampling frequency offset from the values of the autocorrelation function and changing a sampling frequency using the sampling frequency offset.

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Patent Owner(s)

  • TEXAS INSTRUMENTS INCORPORATED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cho, Hong Jin Allen, US 1 7
Ethridge, Troy Lane Bedford, US 6 34
Hayden, John Michael Allen, US 6 43
Kordel, Jeff Frisco, US 1 7
Ouyang, Bing Plano, US 17 108

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