A General Approach fbr Time-Domain Sensitivity Analysis of High-Speed Interconnects

An efficient and general approach is presented for time domain sensitivity analysis of high speed interconnects with respect to electrical/physical parameters. The proposed method derives the equivalent sensitivity circuit directly from the Telegrapher´s equations. Advantages of the new approach are that it is independent of the specific macromodeling technique used and it does not require the computation of the sensitivity of the macromodel components with respect to the interconnect parameter of interest. This leads to a simplified and more robust sensitivity analysis algorithm with significant computational cost advantages