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PCB中那些需要做差分，哪些需要匹配长度

一般哪些网络需要设置差分对，哪些设置匹配长度就可以？

2025-03-14 21:03:37

推荐回答（1个）

回答1：

目前国内有10g这个级别的吗,我觉得很少。。信号等长线和差分对不同，是为了读写信号或者某些相关信号需要同步才布等长线，这样信号不会出错。差分是为了达到阻抗要求而设置的。差分线上的信号需要阻抗匹配到一定值，否则制版后的测试信号是很差或者通不了。

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