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http://dx.doi.org/10.5515/KJKIEES.2009.20.8.721

4-Way Power Divider Based on Substrate Integrated Waveguide for Satellite Communications  

Seo, Tae-Yoon (School of Electronics, Telecommunication and Computer Engineering, Korea Aerospace University)
Lee, Jae-Wook (School of Electronics, Telecommunication and Computer Engineering, Korea Aerospace University)
Lee, Taek-Kyung (School of Electronics, Telecommunication and Computer Engineering, Korea Aerospace University)
Cho, Choon-Sik (School of Electronics, Telecommunication and Computer Engineering, Korea Aerospace University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.20, no.8, 2009 , pp. 721-728 More about this Journal
Abstract
Equal/unequal 4-way power divider suitable for satellite communication using SIW technology is presented in this paper. The control of positions of guiding posts provides equal or unequal power division ratios by maintaining the width of the SIW unchanged. In addition, the detailed descriptions for the proposed power divider include the general characteristics of radial waveguide, feeding part using coaxial cable, simple SIW structure, power-guiding posts, and transition for measurement. The comparison between the simulated and measured data shows a good agreement at a center frequency of 10 GHz. The measured input impedance bandwidths for equal and unequal power divisions are about 2.1 GHz and 3 GHz under the condition of less than VSWR 2:1, respectively.
Keywords
Radial Waveguide; SIW; Power Divider;
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