采用对称超材料结构的紧凑型带通滤波器的开发,用于GPS、ISM、Wi-MAX和WLAN应用

IF 2.2 3区 综合性期刊 Q2 MULTIDISCIPLINARY SCIENCES
Symmetry-Basel Pub Date : 2023-11-14 DOI:10.3390/sym15112058
Kottapadikal Vinodan Vineetha, Boddapati Taraka Phani Madhav, Munuswamy Siva Kumar, Sudipta Das, Tanvir Islam, Moath Alathbah
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引用次数: 0

摘要

本文介绍了一种用于多种无线通信的紧凑型微带带通滤波器(BPF)的开发。所提出的带通滤波器由形状对称的超材料单元组成。设计过程包括在BPF的顶部平面上放置四个对称的分环谐振器(srr)。通过这些srr的实现,它表现出改进的滤波器特性。对该滤波器进行了建模和制作,并利用矢量网络分析仪对其性能进行了评价。所设计的带通滤波器显示5 GHz带宽,覆盖1至5.2 GHz频段,质量因子值在1.9 GHz范围内为1.85,在3.3 GHz范围内为3.3,在5.1 GHz范围内为5.1。利用ANSYS ELECTRONIC DESKTOP进行超材料分析。该滤波器尺寸为20 × 18 × 1.6 mm3,明显小于现有滤波器。所设计的带通滤波器占用传统滤波器50%的空间。所设计的带通滤波器在宽带和窄带工作频率上的分布表面电流分别为84 a /m和94 a /m。仿真和实测结果表明,所提出的超材料滤波器非常适合GPS (1.57 GHz)、WLAN(2.4、3.6和5.2 GHz)、Wi-MAX(2.3、2.5和3.5 GHz)和ISM (2.5 GHz)等多频段无线应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Development of Compact Bandpass Filter Using Symmetrical Metamaterial Structures for GPS, ISM, Wi-MAX, and WLAN Applications
This article describes the development of a compact microstrip bandpass filter (BPF) for multiple wireless communication utilizations. The proposed bandpass filter consists of metamaterial unit cells that are symmetrical in shape. The design process involves the placement of four symmetrical split-ring resonators (SRRs) on the top plane of the BPF. It exhibits improved filter characteristics through the implementation of these SRRs. The filter was modeled and fabricated and its performance was evaluated using a Vector Network Analyzer. The designed bandpass filter shows a 5 GHz bandwidth covering the frequency band spanning from 1 to 5.2 GHz, with a quality factor value of 1.85 across 1.9 GHz, 3.3 across 3.3 GHz and 5.1 across 5.1 GHz. The metamaterial analysis was carried out using ANSYS ELECTRONIC DESKTOP. The proposed filter measures 20 × 18 × 1.6 mm3, which is significantly smaller than current filters. The designed bandpass filter occupies 50% of the space of a conventional filter. The designed bandpass filter exhibits a distributed surface current of 84 A/m, and 94 A/m across the wide- and narrow-band operating frequency. The simulated and measured results indicate that the suggested metamaterial filter is well-suited for multiband wireless applications like GPS (1.57 GHz), WLAN (2.4, 3.6, and 5.2 GHz), Wi-MAX (2.3, 2.5, and 3.5 GHz), and ISM (2.5 GHz).
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来源期刊
Symmetry-Basel
Symmetry-Basel MULTIDISCIPLINARY SCIENCES-
CiteScore
5.40
自引率
11.10%
发文量
2276
审稿时长
14.88 days
期刊介绍: Symmetry (ISSN 2073-8994), an international and interdisciplinary scientific journal, publishes reviews, regular research papers and short notes. Our aim is to encourage scientists to publish their experimental and theoretical research in as much detail as possible. There is no restriction on the length of the papers. Full experimental and/or methodical details must be provided, so that results can be reproduced.
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