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首页> 外文期刊>Journal of Basic and Applied Physics >Wideband Quadrature Hybrid Coupler Using Microstrip-to-Slot Transition with Multilayer Technology
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Wideband Quadrature Hybrid Coupler Using Microstrip-to-Slot Transition with Multilayer Technology

机译：利用微带到槽过渡和多层技术的宽带正交混合耦合器

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This paper presents the planar design of three-section quadrature hybrid coupler for frequency operation of 2 to 6 GHz. This coupler offers a tight coupling of 3 dB and measured return loss better than 13 dB which occupies the size of 50 mm × 20 mm excluding the 50 Ω SMA ports. The proposed quadrature hybrid design is implementing the microstrip-to-slotline transition with multilayer structure. The configuration of this design consists of two substrates layers and one layer ofa ground plane in the middle of the two substrates. Where, the proposed design is formed by rectangular-shaped microstrip line at the top and bottom with rectangular slot at the common ground plane. CST Microwave Studio software is used for coupler design and optimization. Then, the simulated results are compared to the measured results for verification. The characteristics of electric field for odd and even-mode are presented via cross section analysis of the coupler design.
机译：本文介绍了用于2至6 GHz频率工作的三段式正交混合耦合器的平面设计。该耦合器可提供3 dB的紧密耦合，并且测得的回波损耗优于13 dB，其占用的空间为50 mm×20 mm（不包括50ΩSMA端口）。提出的正交混合设计正在实现具有多层结构的微带到槽线过渡。此设计的配置由两块基板层和两块基板中间的一层接地层组成。其中，建议的设计由顶部和底部的矩形微带线组成，并在公共接地面上形成矩形缝隙。 CST Microwave Studio软件用于耦合器设计和优化。然后，将模拟结果与测量结果进行比较以进行验证。通过耦合器设计的横截面分析，介绍了奇数和偶数模式的电场特征。

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