Dispersion characteristics of coupled microstrip with overlay on anisotropic dielectric substrate
- 5 January 1984
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 20 (1) , 19-20
- https://doi.org/10.1049/el:19840015
Abstract
The letter describes how one can obtain the equal effective dielectric constants of even and odd modes on the parallel-coupled microstrip at a frequency by using an anisotropic dielectric substrate with isotropic overlay. The frequency can be varied by using overlays of various thicknesses. The results suggest the possibility of realising a high-directivity coupler in the high-frequency microwave range.Keywords
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