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Dual band equal power divider with coupled line section using stepped-impedance transformers

机译:具有耦合线段的双频带等功率分配器,使用步进阻抗变压器

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A novel Dual band equal power divider with coupled line section using stepped-impedance transformers is presented in this paper. Coupled lines section is used to achieve the necessary impedance transformation at two selected frequencies. The topology of the structure, different from conventional Wilkinson power divider, is the couple lines instead of the transmission lines. In this paper the structure is presents on the Rogers RT5880 substrate, Using CST Microwave studio, by this substrates design there is simulated return loss is greater than 10 dB at center frequencies 6.7 GHz and 8.0 GHz. The average insertion loss is 3 dB and group delays are around 0.90 ns at 6.7 GHz and 0.81 ns at 8 GHz at these two center frequencies. In addition, the isolations between the outputs ports are greater than 10 dB over these two bands.
机译:本文提出了一种新型的双频带等功率分配器,其具有使用步进阻抗变压器的耦合线段。耦合线部分用于在两个选定的频率上实现必要的阻抗转换。与传统的威尔金森功率分配器不同,该结构的拓扑结构是耦合线而不是传输线。在本文中,该结构呈现在Rogers RT5880基板上,使用CST Microwave studio,通过这种基板设计,在中心频率6.7 GHz和8.0 GHz处,模拟的回波损耗大于10 dB。在这两个中心频率下,平均插入损耗为3 dB,群延迟在6.7 GHz时约为0.90 ns,在8 GHz时为0.81 ns。另外,在这两个频带上,输出端口之间的隔离度大于10 dB。

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