Title: Apparatus and method for clock data recovery with low lock frequency
Application Number: 200610109198 Application Date: 2006.08.09
Publication Number: 1913359 Publication Date: 2007.02.14
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H03L7/08;H03L7/091
Applicant(s) Name: Samsung Electronics Co., Ltd. Address:
Inventor(s) Name: Hu Wei
Attorney & Agent: shao yali shi xinhong
Abstract:
    For clock and data recovery (CDR), a clock processor generates sampling clock signals from original phase-shifted clock signals each having a frequency that 1/8 of a frequency of an input data signal. The sampling clock signals are used to sample the input data signal for generating error signals and reference signals that determine a voltage control signal that indicates a clock frequency of the original clock signals generated by a voltage controlled oscillator (VCO).
Time: 16
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