Phase detector, phase detecting method, and clock-and-data recovery device
    40.
    发明授权
    Phase detector, phase detecting method, and clock-and-data recovery device 有权
    相位检测器,相位检测方法以及时钟和数据恢复装置

    公开(公告)号:US08520793B2

    公开(公告)日:2013-08-27

    申请号:US13090272

    申请日:2011-04-20

    CPC classification number: H04L7/033 H03L7/0807 H03L7/0891 H03L7/091

    Abstract: 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.

    Abstract translation: 相位检测器包括第一采样单元,采样模块和相位确定模块。 第一采样单元被布置用于对第一数据输入信号进行采样,以根据第一时钟信号产生第一数据信号。 采样模块包括第二采样单元和第三采样单元。 第二采样单元被布置用于对第二数据输入信号进行采样以根据第二时钟信号产生第二数据信号。 第三采样单元被布置用于对第二数据信号进行采样以根据第一时钟信号产生第三数据信号。 相位确定模块被布置成根据第一数据信号和第三数据信号产生相位检测结果。

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