基于分形对称环形谐振器的C波段带通滤波器设计

IF 0.8 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC
A. Sowjanya, D. Vakula
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引用次数: 0

摘要

提出了一种具有分形边界的对称环形谐振腔超材料,用于带通滤波器的设计。对称环形谐振器和过孔的组合用于设计带通滤波器。在微带传输线上采用摩尔分形对称环形超材料谐振器,实现了低插入损耗、高频带带宽的带通滤波器。仿真滤波器的工作频率范围在5.47 GHz - 6 GHz之间的c波段,分数带宽(FBW)为9.25%,最小插入损耗为1.2 dB。将摩尔分形应用于上述实现中,提高了滤波器的带宽。分形应用对称环形谐振器模拟滤波器工作在7.15 GHz - 8.15 GHz的c波段,FBW为13%,最小插入损耗为1 dB。利用N5222A网络分析仪对该滤波器进行了仿真、制作和s参数测量。模拟实现的分形应用对称环形谐振器滤波器的s参数结果与样机的测量结果基本吻合,但在频率范围内有较小的偏移。所测滤波器工作在6.95 GHz - 7.8 GHz, FBW为11.5%,最小插入损耗为0.4 dB。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Design of C band Bandpass Filter using Fractal based Symmetrical Ring Resonator
Symmetrical ring resonator metamaterial along with fractal boundary is proposed for Band Pass Filter (BPF) design in this paper. A combination of symmetrical ring resonators and vias is used for designing a bandpass filter. Bandpass filter with low insertion loss, better fractional bandwidth even at higher frequencies is achieved by using moore fractal applied symmetrical ring metamaterial resonators along the microstrip transmission line. The operating frequency range of the simulated filter is in the C-band between 5.47 GHz - 6 GHz having fractional bandwidth (FBW) of 9.25% and with a minimum insertion loss of 1.2 dB. Application of moore fractal to the above implementation improved the bandwidth of the filter. Fractal applied symmetrical ring resonator simulated filter operates in the C-band between 7.15 GHz - 8.15 GHz having FBW of 13%, with a minimum insertion loss of 1 dB. The proposed filter is simulated, fabricated and S-parameters are measured using network analyzer N5222A. S-parameters results of fractal applied symmetrical ring resonator filter realized from simulations match closely with those from measurements results performed on prototypes but with a small shift in a frequency range. The measured filter operates in 6.95 GHz - 7.8 GHz having FBW of 11.5%, with a minimum insertion loss of 0.4 dB.
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来源期刊
Advanced Electromagnetics
Advanced Electromagnetics ENGINEERING, ELECTRICAL & ELECTRONIC-
CiteScore
2.40
自引率
12.50%
发文量
33
审稿时长
10 weeks
期刊介绍: Advanced Electromagnetics, is electronic peer-reviewed open access journal that publishes original research articles as well as review articles in all areas of electromagnetic science and engineering. The aim of the journal is to become a premier open access source of high quality research that spans the entire broad field of electromagnetics from classic to quantum electrodynamics.
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