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On the Cutoff Wavelength of Rectangular-Shaped Microshield Line by Edge Element Method
Authors:Mai Lu  Paul J Leonard  Duo-Wang Fan and Fu-Yong Xu
Institution:(1) Key Laboratory of Opto-Electronic Technology and Intelligent Control, (Lanzhou Jiaotong University), Ministry of Education, P.O. Box 73, 118 West Anning Road;(2) Lanzhou Jiaotong University, Lanzhou, 730070, Gansu, P.R. China; Email;(3) School of Information Science and Engineering, Lanzhou University, Lanzhou, 730000, Gansu, P.R. China
Abstract:In this paper, the cutoff characteristic of rectangular-shaped microshield transmission line has been analysed by edge element method. Dependence of cutoff wavelengths on the thickness of metallic signal strip, dielectric constant of dielectric substrate and the width of the rectangular-shaped ground conductor are presented in tabular form. Numerical results in this paper have important values in design of rectangular-shaped microshield lines in microwave and millimeter wave integrated circuits.
Keywords:Rectangular-shaped microshield line  cutoff wavelength  edge element method
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