{{Note|In order to obtain correct results, the port impedance must equal the characteristic impedance of the transmission line on which the port is established. This is not automatically taken care of by [[EM.Tempo]].}}
[[Image:Info_icon.png|30px]] Click here to learn more about the '''[[Glossary of EMGlossary_of_EM.Cube's Simulation Observables%27s_Simulation_Observables_%26_Graph_Types#Port Definition Port_Definition_Observable | The Port Definition Observable]]'''.
[[Image:Info_icon.png|30px]] Click here to learn more about '''[[Glossary of EM.Cube's Excitation Sources#Exciting Multiport Structures Using Linear Superposition | Exciting Multiport Structures Using Linear Superposition]]'''.