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Analysis of the Propagation Constant of a Ridge Gap Waveguide and Its Application of Dual-Band Unequal Couplers
IEEE Transactions on Plasma Science ( IF 1.5 ) Pub Date : 2020-12-01 , DOI: 10.1109/tps.2020.3034669
Hongyi Huang , Yongle Wu , Weimin Wang , Wenjie Feng , Yongrong Shi

In this article, an analysis of the propagation constant and the characteristic impedance of a ridge gap waveguide (RGW) is proposed, which includes the comparison of the phase variation between three kinds of guiding structures, the approximation for the propagation constant of RGW, and the variation of characteristic impedances and phase characteristics. According to the analysis, the RGW technology, rather than the traditional microstrip transmission line, is utilized to implement two dual-band unequal couplers operating at two frequency bands. Furthermore, a coupler is fabricated and measured, exhibiting a dual-band operation with a power-dividing ratio of 2 dB and a quadrature phase difference with the same sign between two output ports.

中文翻译:

脊隙波导传播常数分析及其在双频不等耦合器中的应用

本文提出了对脊隙波导(RGW)的传播常数和特征阻抗的分析,包括三种波导结构之间相位变化的比较,RGW传播常数的近似值,以及特性阻抗和相位特性的变化。据分析,RGW技术不是传统的微带传输线,而是用来实现两个工作在两个频段的双频不等耦合器。此外,制造和测量了一个耦合器,显示出双频带操作,功率分配比为 2 dB,两个输出端口之间具有相同符号的正交相位差。
更新日期:2020-12-01
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