Video: Measuring Without Placing A Probe And Measuring Things That Haven't Been Built Yet - Part 1
The Infiniium real time scope with InfiniiSim de-embedding software allows you measure signals wherever you want, not just where you can place a probe easily. But to do this, you need the s-parameters between the probe and the point of interest. The s-parameters could come from measurement, but this reopens the problem of getting a probe on the point of interest. The first part of this paper from Agilent Technologies shows how you can use 3D geometry, material properties, and electromagnetic simulation to create the de-embedding information even for points of interest that are inaccessible.