Prediction based digital control for fractional-N PLLs

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United States of America Patent

PATENT NO 9225348
APP PUB NO 20150200676A1
SERIAL NO

14496643

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Abstract

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Methods and systems for phase correction include determining a phase error direction and generating a prediction for the phase error based on a sigma-delta error. It is determined whether the prediction agrees with the determined phase error direction. If the prediction does not agree, a phase correction is adjusted in accordance with the predicted phase error.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ainspan, Herschel A New Hempstead, US 31 242
Ferriss, Mark A Tarrytown, US 22 89
Friedman, Daniel J Sleepy Hollow, US 112 3020
Rylyakov, Alexander V Mount Kisco, US 69 712
Sadhu, Bodhisatwa White Plains, US 84 442
Valdes, Garcia Alberto Hartsdale, US 102 467

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