Impedance Mismatch on a Transmission Line

Two cables - different inner and out radii (adjustable) ... change the radii to match and mismatch the cables. You can set a short circuit by making cable 2 have the same inner and out redaii (!) and set Z2 infinite to se the effect of an open circuit.

Electromagntics Toybox - Impedance Mismatch on a Transmission Line
Electromagntics Toybox - Impedance Mismatch on a Transmission Line