Analysis and equivalent circuit of aperture-coupled cavity-fed microstrip patch antenna
- Authors
- Kim, Jeong Phill
- Issue Date
- May-2006
- Publisher
- JOHN WILEY & SONS INC
- Keywords
- aperture-coupled; cavity-fed; microstrip antenna; equivalent circuit
- Citation
- MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, v.48, no.5, pp 843 - 846
- Pages
- 4
- Journal Title
- MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
- Volume
- 48
- Number
- 5
- Start Page
- 843
- End Page
- 846
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/24357
- DOI
- 10.1002/mop.21493
- ISSN
- 0895-2477
1098-2760
- Abstract
- A simple but accurate equivalent circuit of an aperture-coupled cavity-fed microstrip patch antenna is developed. It consists of ideal transformers, admittance elements, and transmission lines, and the related circuit-element values are computed by applying the reciprocity theorem and complex power concept with the spectral-domain immitance approach. The antenna input impedance calculated from network theory is compared with the measured data, and their good agreement validates the simplicity and accuracy of the proposed equivalent-circuit model. Based on the proposed theory, the effect of structural parameters on the antenna characteristics is also examined. (c) 2006 Wiley Periodicals, Inc.
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