Now you can use AtaiTec's free 2D Field Solver to compute RLGC and impedance matrices of 2D transmission lines with trapezoidal cross section… in just a few mouse clicks.
To install, download and execute https://ataitec.com/FreeSViewer/Free2D_Install.zip
A user guide can be found at http://ataitec.com/FreeSViewer/Free_2D_Solver_User_Guide.pdf
Contact us to find out how you can use ADK and X2D2 to adjust for surface roughness and create causal frequency-dependent transmission line models.