用于单脉冲天线系统的耦合微带-槽线宽带多层Magic-T

2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI) Pub Date : 2021-12-04 DOI:10.1109/APS/URSI47566.2021.9704488

Xiang Zhao, Hongxin Zhao, Shunli Li, Xiaoxing Yin

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引用次数: 1

摘要

本文提出了一种基于耦合微带槽线的宽带多层平面magic-T。本设计利用耦合微带槽线的奇偶传输方式实现和差分功能。magic-T采用3层电路板结构和合理的端口布置，有利于单脉冲天线系统的小型化。仿真结果表明，该系统工作频率范围为1.25 ~ 2.52 GHz，回波损耗大于10 dB，和口与差口的带内隔离度大于50 dB。它的幅差和相位不平衡分别小于0.1 dB和0.4°。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A Broadband Multilayer Magic-T Using Coupled Microstrip-Slotlines for Monopulse Antenna Systems

In this paper, a broadband multilayer planar magic-T using coupled microstrip-slotlines is proposed. Sum and difference function in this design are realized by utilizing the even and odd transmission mode of the coupled microstrip-slotlines. The magic-T is conducive to the miniaturization of monopulse antenna systems by using a 3-layer circuit board structure and reasonable port placement. Simulation results show that the operating frequency range is 1.25-2.52 GHz with return loss higher than 10 dB, while in-band isolation between sum and difference port is greater than 50 dB. It also has amplitude and phase imbalance of less than 0.1 dB and 0.4° respectively.

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2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI)

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