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US09225348B2 Prediction based digital control for fractional-N PLLs 有权
用于分数N PLL的基于预测的数字控制

Prediction based digital control for fractional-N PLLs
Abstract:
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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