标签: 00740095

00740095IEEETRANSACTIONSONMICROWAVETHEORYANDTECHNIQUES,VOL.47,NO.1,JANUARY1999115LettersCommentson“RevisitingCharacteristicImpedanceandItsDenitionofMicrostripLinewithaSelf-Calibrated3-DMoMSchemeJamesC.RautioCharactersiticimpedance(Z0)iswellunderstoodforlosslesshomogeneoustransmissionlines.Theseinclude,forexample,coaxialcable,stripline,andrectangularwaveguide.(Notethatwhilerectangularwaveguideisdispersiveandnon-TEM,impedanceisuniquelydenedbecauseitishomogeneous.)Inthesecases,foragivenmode,propagatinginagivendirection,atagivenfrequency,theratiooftransverseEtotransverseHisconstanteverywhere.Thevalueofthisratioisthecharacteristicimpedanceoftheline.Anequivalentcircuittheoryvoltageand……