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首页> 外文期刊>International Journal of Microwave and Wireless Technologies >Reactively-loaded non-periodic slow-wave artificial transmission lines for stop band bandwidth enhancement: application to power splitters
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Reactively-loaded non-periodic slow-wave artificial transmission lines for stop band bandwidth enhancement: application to power splitters

机译：用于停止频带带宽增强的可反应加载的非周期性慢波人为传输线：应用于供电分离器

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This paper presents slow-wave transmission lines based on non-periodic reactive loading. Specifically, the loading elements are stepped impedance shunt stubs (SISS). By sacrificing periodicity using SISS tuned to different frequencies, multiple transmission zeros above the pass band arise, and the rejection level and bandwidth of the stop band is improved as compared with those of periodic structures. Through a proper design, it is possible to achieve compact lines, simultaneously providing the required electrical length and characteristic impedance at the design frequency (dictated by specifications), and efficiently filtering the response at higher frequencies. These lines are applied to the design of a compact power splitter with filtering capability in this work. The length of the splitter, based on a 35.35 omega impedance inverter, is reduced by a factor of roughly two. Moreover, harmonic suppression better than 20 dB up to the fourth harmonic is achieved.
机译：本文介绍了基于非周期性反应载荷的慢波传输线。具体地，装载元件是阶梯式阻抗分流支柱（SISS）。通过使用SISS调谐到不同频率的周期性，与周期性结构相比，出现通频带上方的多个传输零，并且止动频带的抑制水平和带宽得到改善。通过适当的设计，可以实现紧凑的线路，同时在设计频率（由规格决定）上提供所需的电长和特性阻抗，并有效地在较高频率下过滤响应。这些线路应用于具有滤波能力的紧凑型电源分配器的设计。基于35.35Ω阻抗逆变器的分离器的长度减小了大约两个的因子。此外，实现了优于20 dB的谐波抑制，达到了第四次谐波。

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