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请问一下光模块retimer作用(比如DS110DF111)。在哪些情况下需要加?加了Retimer后,是否Repeater就可以不用加了?
是否需要加要看您的实际应用, retimer是基于PLL为基础,有一个时钟修复的功能,或者说重新产生一个新的时钟信号,而这个时钟信号的jitter和skew都比输入信号干净很多。 repeater主要是针对信号的,对信号的再驱动。