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Return and insertion loss profile of 5'' PCB TRACE

Question asked by 9dc1212f-cb89-8a24-0100-014e727abccf on Jun 16, 2016
Latest reply on Jun 20, 2016 by 9dc1212f-cb89-8a24-0100-014e727abccf

I have generated S-parameters for 5 inch differential trace, there are sharp dips in return and insertion loss profile can anyone tell me the reason there is no discontinuity in the trace width (no impedance discontinuity).

Why those sharp dips are present?

Why return loss increases at higher frequency?





Below is the attached return and insertion loss profile