An adaptive equalizer system for use in a serial communication link uses timing information generated by {HEAD ~ a phase detector} of {TAIL ~ a clock and data recovery circuit} of the serial communication link and a frequency pattern of the recovered data to determine whether the data received over the serial communication link is over equalized or under equalized 
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An adaptive equalizer system for use in a serial communication link uses timing information generated by { HEAD ~ a phase detector } of { TAIL ~ a clock and data recovery circuit } of the serial communication link and a frequency pattern of the recovered data to determine whether the data received over the serial communication link is over equalized or under equalized
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