Importance

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Abstract

A system and method of clock and data recovery. In some embodiments, the method includes: setting a bias signal source to a first bias value, the bias signal source being connected to an input of a voltage-controlled oscillator of a clock and data recovery circuit; determining that a locked signal of a frequency feedback signal source equals a first feedback value; setting the bias signal source to a second bias value, different from the first bias value; determining that a locked signal of the frequency feedback signal source equals a second feedback value; determining that the second feedback value meets a termination criterion; and setting an operating value of the bias signal source to the second bias value.

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First Claim