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A Half-Mode Substrate Integrated Waveguide Ring for Two-Way Power Division of Balanced Circuit

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4 Author(s)
Lin-Sheng Wu ; Key Lab. of Minist. of Educ. of Design & EMC of High-Speed Electron. Syst., Shanghai Jiao Tong Univ., Shanghai, China ; Bin Xia ; Junfa Mao ; Wen-Yan Yin

A new balanced-to-balanced Gysel power divider (PD) is proposed for high-power applications, based on a half-mode substrate integrated waveguide (SIW) ring. The ring has a circumference of 2.5 λg, and one port is used for good isolation. The balanced-to-balanced component is easily designed by converting its single-ended counterpart. With the equivalent impedance defined by voltage and current of half-mode SIW, the initial geometry is quickly obtained. Good performance is achieved with our proposed PD, which has been demonstrated by its simulated and measured mixed-mode S-parameters.

Published in:

Microwave and Wireless Components Letters, IEEE  (Volume:22 ,  Issue: 7 )