A new formula for the optimum width of Substrate Integrated Waveguide

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N. Guellil
F. Djahli
C. Zebiri

Abstract

A new formula for calculating the optimum width of a Substrate Integrated Waveguide (SIW) corresponding to the first mode is presented in this paper. Finite Difference Frequency Domain (FDFD) method is applied to analyze the waveguide structure where geometrical parameters of the SIW are iteratively varied in order to minimize the gap between cutoff frequencies of SIW structure and that of an equivalent conventional rectangular waveguide. Adequate parameters are used to derive the new formula. To verify the accuracy of the new formula, several waveguides are designed and analyzed using the commercial software HFSS. The calculated propagation constants are compared with experimental measurements from literature, a very good conformity is obtained.

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How to Cite
Guellil, N., Djahli, F., & Zebiri, C. (2019). A new formula for the optimum width of Substrate Integrated Waveguide. Advanced Electromagnetics, 8(4), 39-43. https://doi.org/10.7716/aem.v8i4.1108
Section
Research Articles

References


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