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Analysis Method for a Multi-Section Rat-Race Hybrid Coupler Using Microstrip LinesAnalysis Method for a Multi-Section Rat-Race Hybrid Coupler Using Microstrip Lines
- Other Titles
- Analysis Method for a Multi-Section Rat-Race Hybrid Coupler Using Microstrip Lines
- Authors
- 김영
- Issue Date
- Mar-2022
- Publisher
- 한국전자파학회
- Keywords
- Asymmetric Structure; Even-Odd Analysis; Microstrip Line; Multi-Section; Rat-Race Hybrid Coupler.
- Citation
- Journal of Electromagnetic Engineering and Science, v.22, no.2, pp.95 - 102
- Journal Title
- Journal of Electromagnetic Engineering and Science
- Volume
- 22
- Number
- 2
- Start Page
- 95
- End Page
- 102
- ISSN
- 2671-7255
- Abstract
- An analysis method for a multi-section rat-race hybrid coupler with a large bandwidth is presented. The proposed coupler has only a few additional microstrip lines compared to a single-section coupler. A complete analysis method is derived and validated through even- and odd-mode analysis, considering the asymmetric structure of the proposed coupler. To demonstrate the effectiveness of the design, two two-section rat-race couplers with an operating frequency of 2 GHz and splitting ratios of 1:1 and 1:2 were simulated and fabricated. Measurements of the fabricated couplers yielded results in good agreement with the simulation results, demonstrating wide bandwidth characteristics.
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Related Researcher
- KIM, YOUNG
- College of Engineering (School of Electronic Engineering)