Click theProcess Window: Minimum / Maximum check box to chart the effects of varying parameters within defined limits; in this example hold the differential impedance constant at 75 Ohms as above and vary the trace width, W1 as H1 and H2 vary. Choose the varying parameter as W1, set the target impedance as 75 Ohms and the upper and lower limits as shown below and click Calculate
The results are shown below.
