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Network Analysis and Design of Aperture-Coupled Cavity-Fed Microstrip Patch Antenna  

Shin Jong Woo (School of Electrical and Electronic Engineering Chung-Ang University)
Kim Jeong Phill (School of Electrical and Electronic Engineering Chung-Ang University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.41, no.12, 2004 , pp. 93-102 More about this Journal
Abstract
This paper presents a general theory for the analysis of an aperture-coupled cavity-fed microstrip patch antenna to develop a simple but accurate equivalent circuit model. The developed equivalent circuit consists of ideal transformers, admittance elements, and transmission lines. These circuit element values are computed by applying the complex power concept, the Fourier transform and series representation, and the spectral-domain immittance approach. The input impedance of the antenna is calculated and compared with the published data. Good agreements validate the simplicity and accuracy of the developed equivalent circuit model.
Keywords
microstrip patch antenna; aperture-coupled; cavity-fed; network analysis; CAD;
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