Clock and data recovery device
Number of patents in Portfolio can not be more than 2000
United States of America
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Apr 1, 2025
Grant Date -
Feb 29, 2024
app pub date -
Jun 30, 2023
filing date -
Jun 30, 2023
priority date (Note) -
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Abstract
A clock and data recovery device includes an equalizer that compensates for channel loss of input data, a phase detector that compares a data output from the equalizer with a clock fed back and outputs an up signal and a down signal, a charge pump that operates according to the up signal and the down signal and outputs a control signal, a loop filter that removes high-frequency components included in the control signal, a voltage controlled oscillator that changes a frequency of the clock and outputs a clock with changed frequency, and a data phase adjuster that synchronizes the clock output from the voltage controlled oscillator and the data output from the equalizer by adjusting a phase of the data output from the equalizer by receiving the up signal and the down signal output from the phase detector.
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