闭环矩形谐振宽带带阻滤波器的数值模型与设计

Q3 Engineering

International Journal of Electronics Letters Pub Date : 2022-06-09 DOI:10.1080/21681724.2022.2087910

N. Kumari, M. Sood, S. Talluri, S. Khah

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引用次数: 0

摘要

摘要利用传输线建立了矩形闭环谐振腔宽带带阻滤波器的数值模型。以3 GHz为中心，下截止频率为2 GHz，上截止频率为4 GHz的宽带抑制滤波器的原型设计是根据从衬底（FR4）上的数值模型获得的最佳值制作的，衬底的介电常数为4.3，损耗角正切为0.02–0.03，衬底高度为1.6 mm。对于双向操作，滤波器的长宽比为2:1。连接在输入和输出端口之间的传输线的阻抗被视为馈线阻抗的两倍，而另一半波长的阻抗被认为是馈线阻抗的四倍。该设计获得了60%以上的带宽。结果表明，全波电磁计算结果与实验和数值计算结果吻合较好。

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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Numerical model & design of wideband band reject filter with closed loop rectangular resonator

ABSTRACT Numerical model of a wideband band reject filter using closed rectangular loop resonator is presented using transmission lines. The prototype design of wide band reject filter centred at 3 GHz with lower cut-off frequency of 2 GHz and upper cut-off frequency of 4 GHz is fabricate from the optimal values obtained from the numeric model on a substrate (FR4) with a dielectric constant of 4.3, loss tangent of 0.02–0.03 and substrate height of 1.6 mm. For bidirectional operations, the length-to-width ratio of filter is 2:1. The impedance of the transmission line which is connected between input and output ports is taken as double the feed line impedance while the impedance of the other half wavelength is considered as four times the feed line impedance. The design has obtained bandwidth of more than 60%. It is observed that the full wave electromagnetic results are in good agreement with the experimental and numerical results.

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来源期刊

International Journal of Electronics Letters Engineering-Electrical and Electronic Engineering

CiteScore

1.80

自引率

0.00%

发文量

期刊介绍： International Journal of Electronics Letters (IJEL) is a world-leading journal dedicated to the rapid dissemination of new concepts and developments across the broad and interdisciplinary field of electronics. The Journal welcomes submissions on all topics in electronics, with specific emphasis on the following areas: • power electronics • embedded systems • semiconductor devices • analogue circuits • digital electronics • microwave and millimetre-wave techniques • wireless and optical communications • sensors • instrumentation • medical electronics Papers should focus on technical applications and developing research at the cutting edge of the discipline. Proposals for special issues are encouraged, and should be discussed with the Editor-in-Chief.