带陷波带的紧凑型UWB带通滤波器

2008 IEEE MTT-S International Microwave Workshop Series on Art of Miniaturizing RF and Microwave Passive Components Pub Date : 2008-12-01 DOI:10.1109/IMWS.2008.4782283

S. Gao, S. Xiao, Bing-Zhong Wang

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引用次数: 18

摘要

基于改进的阶跃阻抗谐振器和非对称数字间馈线结构，设计并实现了一种适用于超宽带系统的带陷波带紧凑型宽带带通滤波器。改进后的阶跃阻抗谐振器不仅可以在UWB通带内产生多个谐振峰，而且易于实现与馈线的紧密耦合，从而实现宽通带。非对称数字间馈线可以产生5.98 GHz的陷波带，对通带性能没有显著影响。给出了模拟结果和实测结果，两者吻合较好。

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Compact UWB Bandpass Filter with a Notched Band

A compact wideband bandpass filter with a notched band is proposed, designed and implemented for ultra-wideband (UWB) system application on the basis of a modified stepped impedance resonator and asymmetrical interdigital feed-lines structures. The modified stepped impedance resonator can not only generate multiple-resonant peaks within the UWB passband but also easily realize a tight coupling with the feed-lines to realize a wide passband. The asymmetrical interdigital feed-lines can generate a notched band at 5.98 GHz with no significant influence on the passband performances. Both simulated and measured results are presented and they are in good agreement.

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来源期刊

2008 IEEE MTT-S International Microwave Workshop Series on Art of Miniaturizing RF and Microwave Passive Components

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