A compact double folded quarter mode substrate integrated waveguide (DFQMSIW) filter

被引：11
|
作者：
Zhu, YongZhong [1 ]
机构：
[1] Univ Chinese People Armed Police Force, Dept Informat Engn, Xian, Shaanxi, Peoples R China
来源：
IEICE ELECTRONICS EXPRESS | 2016年 / 13卷 / 11期
基金：
中国国家自然科学基金;
关键词：
substrate integrated waveguide; filter; coupling;
D O I：
10.1587/elex.13.20160330
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A novel double folded quarter mode substrate integrated waveguide (DFQMSIW) resonator is proposed. The dominant resonant mode of the proposed resonator is TE101 mode. The size of the DFQMSIW cavity is reduced nearly by 94% compared with the conventional SIW cavity. A three order cascaded DFQMSIW filter with a center frequency of 2.84 GHz and a fractional bandwidth of 11.5% is implemented. The measured results show that the filter insertion losses are below -1.8 dB and return losses are better than -15 dB. Good agreement between simulated and measured results demonstrates the validity of the proposed method.
引用
收藏
页数：7
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