Compact Lowpass Filter with Wide Stopband Using Windmill-Shaped Resonator

被引：0
作者：
Mohsen Hayati
Yasin Yousefzadeh
机构：
[1] Razi University,Electrical Engineering Department, Faculty of Engineering
[2] Razi University,Faculty of Engineering, Computational Intelligence Research Center
来源：
Arabian Journal for Science and Engineering | 2014年 / 39卷
关键词：
Open stubs; Microstrip lowpass filter; Wide stopband; Windmill-shaped resonator;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A novel compact lowpass filter using the windmill-shaped resonator is proposed. The proposed filter has 3-dB cutoff frequency at 4.4GHz and 20dB rejection at 5GHz (the transition band is only 0.6 GHz). The filter has wide stopband with attenuation level better than −20dB from 5 up to 20.9GHz. In this work, we have reached the high and wide rejection in stopband with the compact size as well as good insertion and return loss. Finally, the proposed filter has been fabricated and good agreements between the simulated and measured results are obtained.
引用
收藏
页码：3033 / 3038
页数：5
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