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    • 8. 发明授权
    • Mitigating noise created by spread spectrum clocks
    • 降低扩频时钟产生的噪音
    • US08054921B2
    • 2011-11-08
    • US11963021
    • 2007-12-21
    • Marc JalfonRafi Ravid
    • Marc JalfonRafi Ravid
    • H03D1/04
    • H04B1/7097H04B15/04H04B2201/70715
    • A platform to mitigate noise caused by spread spectrum clock signals. The platform may comprise a noise mitigation block, which may include a first set of analog-to-digital converters, a second analog-to-digital, and a noise canceller. The first set of analog-to-digital converters may generate clock samples by digitizing the plurality of spread spectrum clock signals, which are provided as inputs to the noise mitigation block. The second analog-to-digital converter may generate data samples by digitizing the data signal. The noise canceller coupled to the first set of analog-to-digital converters and the second analog-to-digital converter may identify an interference portion in the data signal using the clock samples and the data samples and remove the interference portion from the data signal.
    • 一个减轻由扩频时钟信号引起的噪声的平台。 平台可以包括噪声抑制块,其可以包括第一组模数转换器,第二模数转换器和噪声消除器。 第一组模拟 - 数字转换器可以通过数字化多个扩频时钟信号来产生时钟采样,这些时钟信号作为输入提供给噪声抑制块。 第二模数转换器可以通过数字化数据信号来生成数据采样。 耦合到第一组模数转换器和第二模数转换器的噪声消除器可以使用时钟采样和数据样本来识别数据信号中的干扰部分,并从数据信号中去除干扰部分 。