Design of a Compact UWB Filter With High Selectivity and Superwide Stopband

被引：56
|
作者：
Zhou, Chun-Xia [1 ]
Guo, Pei-Pei [1 ]
Zhou, Kang [1 ]
Wu, Wen [1 ]
机构：
[1] Nanjing Univ Sci & Technol, Ministerial Key Lab JGMT, Nanjing 210094, Jiangsu, Peoples R China
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2017年 / 27卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Half-mode substrate integrated waveguide (HMSIW); multiple-mode resonator (MMR); superwide stopband; ultra-wideband (UWB); MULTIPLE-MODE RESONATOR; BANDPASS-FILTERS; REJECTION;
D O I：
10.1109/LMWC.2017.2711509
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：
This letter presents a design of compact ultra-wideband bandpass filter (BPF) with high selectivity and super-wide stopband. Three resonant modes from the multiple-mode resonator (MMR) based on half-mode substrate integrated waveguide (HMSIW) structure and four resonant modes from a pair of electromagnetic bandgap loaded parallel-coupled lines can constitute a wideband performance. Superwide stopband can be achieved and two transmission zeros are realized on both sides of the passband to improve the filter selectivity. A prototype of the BPF operating from 3.1 to 10.4 GHz with an extremely broad stopband region from 10.7 to 24 GHz and a rejection level of 15 dB is demonstrated in the measured results.
引用
收藏
页码：636 / 638
页数：3
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