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Study of Interlayer Transition of EBG Waveguides
Journal of Communications Technology and Electronics ( IF 0.5 ) Pub Date : 2022-07-21 , DOI: 10.1134/s1064226922070105
V. I. Kalinichev, S. E. Bankov

Abstract

Interlayer transitions for various types of EBG waveguides that represent two-layer structures in which the waveguides are coupled along a wide wall using a metal probe passing through a hole in the walls are studied. It is shown that such transitions are well matched in a frequency interval of 8–12 GHz and have characteristics of a bandpass filter. A parametric analysis of the transitions was used to determine for each type of waveguide the dependence of the position of the minima of the reflection coefficient on the parameters of the transition and to find the best combinations of parameters for balanced matching in the entire frequency band. It is shown that the matching is virtually independent of the mutual orientation of the axes of the waveguides on two layers. The characteristics of the interlayer transition are also calculated for a standard rectangular metal waveguide that is used at the input and output of the transition for EBG waveguides. It is shown that its matching characteristic is almost identical to the matching characteristic of the transition for a three-row EBG waveguide.



中文翻译:

EBG波导层间跃迁研究

摘要

研究了代表两层结构的各种类型 EBG 波导的层间过渡,其中波导使用穿过壁中孔的金属探针沿宽壁耦合。结果表明,这种跃迁在 8-12 GHz 的频率间隔内很好地匹配,并具有带通滤波器的特性。过渡的参数分析用于确定每种波导的反射系数最小值位置对过渡参数的依赖性,并找到在整个频带中平衡匹配的最佳参数组合。结果表明,匹配实际上与两层上波导轴的相互方向无关。还计算了标准矩形金属波导的层间过渡特性,该金属波导用于 EBG 波导的过渡输入和输出。结果表明,它的匹配特性与三排EBG波导的过渡匹配特性几乎相同。

更新日期:2022-07-22
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