| 摘要 |
A signal transmission structure includes at least one reference plane with a non-reference area, and a signal line with a salient protruding over the edge of the signal line and the salient is corresponding to the position of the non-reference area. When a signal passes through the signal line, the effect of the parasitic capacitance between the salient and the reference plane can improve the characteristic impedance mismatch. Therefore, the signal transmission structure can reduce the insertion loss and increase the reduction of the return loss in order to locally compensate the impedance mismatch.
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