Tri-band equal power divider with coupled line section

Sandeep Kumar, Mithilesh Kumar
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引用次数: 0

Abstract

A novel Tri-Band equal power divider with coupled line section is presented in this paper. Coupled lines section is used to achieve the necessary impedance transformation at three selected frequencies. The topology of the structure, different from conventional Wilkinson power divider, is the coupled lines instead of the transmission lines. The most important and unique method is used here in this paper is using coupled line for achieving the tri-band. In this paper the structure is presents on the Rogers RT5880 substrate with dielectric constant is 3.2 and substrate thickness is 0.8 mm, Using CST Microwave studio, by this substrates design there is simulated return loss is greater than 10 dB at center frequencies 8.3 GHz, 11.3 GHz and 17.4 GHz. The average insertion loss is 3 dB and group delays are around 0.29 ns at 8.3 GHz, 0.27 ns at 11.3 GHz and 0.27 ns at 17.4 GHz at these three center frequencies. In addition, the isolations between the outputs ports are greater than 10 dB over these three bands.
带耦合线段的三带等功率分压器
提出了一种新颖的带耦合线段的三频带等功率分配器。耦合线段用于在三个选定的频率上实现必要的阻抗变换。该结构的拓扑结构与传统的威尔金森功率分压器不同,是耦合线而不是传输线。本文采用的最重要和独特的方法是利用耦合线来实现三波段。本文在介电常数为3.2、衬底厚度为0.8 mm的Rogers RT5880衬底上进行了结构设计,在CST微波工作室中,在8.3 GHz、11.3 GHz和17.4 GHz中心频率处模拟回波损耗均大于10 dB。在这三个中心频率下,平均插入损耗为3 dB,群延迟在8.3 GHz时约为0.29 ns,在11.3 GHz时为0.27 ns,在17.4 GHz时为0.27 ns。此外,在这三个频段内,输出端口之间的隔离度大于10 dB。
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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