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An analysis of microstrip with rectangular and trapezoidal conductor cross sections

Research output: Contribution to journalArticle

Original languageEnglish
Pages1017 - 1022
Number of pages6
JournalIEEE Transactions on Microwave Theory and Techniques
Journal publication dateAug 1990
Volume38
Journal issue8
DOIs
StatePublished

Abstract

The finite-difference time-domain (FDTD) technique is used to analyze boxed microstrip with both rectangular and trapezoidal cross sections. It is confirmed that the exact shape of the conductor has a marked effect on the effective permittivity of the microstrip. Results using this method are compared to the findings of K.A. Michalski et al. (1989) using the analytically more complicated boundary element method; very good agreement is observed. The effect of adding a thin passivation layer is also calculated and it is found that such an addition noticeably reduces the effective permittivity of the microstrip. It is shown that the FDTD technique is capable of treating microstrip with a general cross section and producing accurate results.

Additional information

Publisher: Institute of Electrical and Electronics Engineers, Inc. (IEEE) Rose publication type: Journal article Terms of use: Copyright © 1990 IEEE. Reprinted from IEEE Transactions on Microwave Theory and Techniques. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of the University of Bristol's products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to pubs-permissions@ieee.org. By choosing to view this document, you agree to all provisions of the copyright laws protecting it.

Research areas

  • FDTD technique, microstrip

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