紧凑的双带微带带通滤波器，采用桩负载阶跃阻抗谐振器

2017 IEEE 2nd Advanced Information Technology, Electronic and Automation Control Conference (IAEAC) Pub Date : 2017-03-01 DOI:10.1109/IAEAC.2017.8054262

Hongshu Lu, Jingjian Huang, Xiaofa Zhang, N. Yuan

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引用次数: 3

摘要

本文提出了两种基于阶跃阻抗谐振器(SIR)和存根负载谐振器(SL-SIR)的双频微带带通滤波器(bpf)。利用偶/奇模分析方法对SL-SIR的特性进行了研究。仿真结果表明，加载短段长度对奇模谐振频率没有影响，但对偶模谐振频率有影响。此外，基于SL-SIR的BPF比基于SIR的BPF具有更高的频率选择性和阻带抑制能力，并且加载短段可以减小BPF的尺寸。因此，基于SL-SIR的BPF可以应用于现代无线通信系统中。

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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Compact dual-band microstrip bandpass filter using stub-loaded stepped-impedance resonator

In this paper, two dual-band microstrip bandpass filters (BPFs) based on the stepped-impedance resonator (SIR) and stub-loaded SIR (SL-SIR) are presented. The characteristics of the SL-SIR are studied by using the even-/odd-mode analysis method. The simulation results show the length of the loaded stub has no influence on the odd-mode resonant frequency, but it can affect the even-mode resonant frequency. In addition, the BPF based on the SL-SIR has higher frequency selectivity and stopband rejection than the one based on the SIR. What's more, the loaded stub can reduce the size of the BPF. Therefore, the BPF based on the SL-SIR can be applied in the modern wireless communication systems.

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来源期刊

2017 IEEE 2nd Advanced Information Technology, Electronic and Automation Control Conference (IAEAC)

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