that a serpentine trace propagates faster than a straight trace of equal length rigorous simulation work has been performed on these scenarios and these trends correlate well with physical lab measurements and field theory analysis to model the effects of distributed compensation tables on the transmission line simulation models were built using a 2d field solver which accurately predicts all of the coupling mechanisms between parallel trace and compensation tab segments the experiment compared four traces illustrated in fig5 by reference numerals 1 4 with four different routing strategies all at an equal length of three inches from end to end of the three inches only one incn of each trace contained serpentine bends compensation tabs or a combination of both while the straight trace trace 2 was modeled as perfectly straight the traces were 5 mil side 50 ohm microstrip terminated into a matched 50 ohm load and excited with a signal swing of 1v and a rise time of 75 picoseconds the simulation results in fig6 show the delay differences for the four traces the traces 1 4 shown in fig5 illustrate the type of patterns used in the simulation but are not necessarily to scale and do not necessarily illustrate the total number of pattern features in the actual simulation trace 1 had one inch of a snake type serpentine consisting of.