Modal transition phenomena in shielded microstrip with anisotropic substrates
- 4 December 2002
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- p. 677-680
- https://doi.org/10.1109/mwsym.1990.99669
Abstract
Modal transitions involving the quasi-TEM (transverse electromagnetic) mode and higher-order modes in shielded microstrip and suspended microstrip with anisotropic substrates are studied. For the class of anisotropy studied, the largest eigenvalue may not correspond to the quasi-TEM mode at higher frequencies. It is shown that the dispersion curves of the quasi-TEM and higher-order modes do not intersect, but rather pass through a transition/coupling region and interchange mode types.<>Keywords
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