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请教大牛们关于loop bandwith



最近看SRIO,里面讲SERDES的时候,不是需要外部输入一个参考时钟,然后再经PLL倍频得到想要的时钟频率,那LOOP BANDWITH将PLL带宽设定为输入的时钟的多少分之一这是干啥呢,有啥作用