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Dear TI:
下图为我们PCB的走线,请教一下1\2\3\4根线PCB阻抗控制应该是A还是B,还是其他要求?多谢~~~
PlanA: 1\2 差分100欧姆,3单端50欧姆,4不做阻抗
PlanB: 1\2 差分100欧姆,3\4差分100欧姆