PHASE DETECTOR, PHASE DETECTING METHOD, AND CLOCK-AND-DATA RECOVERY DEVICE
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机译:相位检测器,相位检测方法以及时钟和数据恢复设备
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摘要
A phase detector includes a first sampling unit, a sampling module and a phase determining module. The first sampling unit is arranged for sampling a first data input signal to generate a first data signal according to a first clock signal. The sampling module includes a second sampling unit and a third sampling unit. The second sampling unit is arranged for sampling a second data input signal to generate a second data signal according to a second clock signal. The third sampling unit is arranged for sampling the second data signal to generate a third data signal according to the first clock signal. The phase determining module is arranged for generating a phase detecting result according to the first data signal and the third data signal.
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