进SigXplorer时出现警告: n2 [: {) a6 }+ I8 BNo reference plane is found for the trace to be extracted. 0 |# d2 {1 {$ B0 ~7 X& l4 p4 ?The trace is being extracted as Microstripline just for topology viewing0 r* o# {3 G: R: T
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俺的是六层板,SGSSPS,8 k$ n4 D6 \ i, z. X