多层微带垂直过渡设计的无反射宽带带通滤波器

Li Yang, R. Gómez‐García, J. Muñoz-Ferreras, Runqi Zhang, D. Peroulis
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引用次数: 5

摘要

本文通过多层微带垂直跃迁设计了一种具有无反射特性的对称宽带带通滤波器(BPF)。通过在多层BPF的顶层和底层印刷两条电阻端接微带线,可以实现超宽输入/输出无反射能力以及该电路结构固有的宽带滤波性能。从理论上讨论了所设计的BPF的工作原理。为了实验验证的目的,模拟和制作了一个多层滤波器原型。它具有以1.91 GHz为中心的实测宽带滤波响应,在0至3.75 GHz范围内的功率匹配水平优于19.27 dB。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Reflectionless Wideband Bandpass Filter Designed With Multilayered Microstrip Vertical Transition
In this paper, a symmetrical wideband bandpass filter (BPF) with reflectionless behavior is presented via multi-layered microstrip vertical transition. By employing two resistively-terminated microstrip lines printed on the top and bottom layers of this proposed multilayered BPF, ultra-broad input/output reflectionless capabilities along with wideband filtering performance intrinsic to this circuit structure can be achieved. The operational principle of this designed BPF is theoretically discussed. For experimental-validation purposes, a multilayered filter prototype is simulated and fabricated. It exhibits a measured wideband filtering response centered at 1.91 GHz and power-matching levels better than 19.27 dB from 0 to 3.75 GHz.
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