A compact wideband SIW-DGS filter with two independently controllable transmission zeros and sharp attenuation slopes

被引：1
|
作者：
Guo, Yu [1 ,2 ]
Zhang, Jinghui [1 ]
Wu, Haodong [2 ]
机构：
[1] Jiangnan Univ, Sch Internet Things Engn, 1800 Lihu Ave, Wuxi 214122, Jiangsu, Peoples R China
[2] Nanjing Univ, 22 Hankou Rd, Nanjing 210093, Jiangsu, Peoples R China
来源：
IEICE ELECTRONICS EXPRESS | 2018年 / 15卷 / 18期
关键词：
wide band filter; SIW; SEMCP; independently controlled; transmission zeros; WAVE-GUIDE; RESONATOR; STUB;
D O I：
10.1587/elex.15.20180598
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：
In this paper, the analysis and design of a wide band bandpass substrate integrated waveguide (SIW) filter are presented. A middle layer metal patch is designed in the SIW not only to create two transmission zeros due to 3D separate electric and magnetic coupling paths (SEMCP) but also miniaturize size of the filter. Since 3D electric and magnetic coupling paths are separate, the two transmission zeros above and below the passband can be independently controlled. Defected ground structure (DGS) is designed with substrate integrated waveguide not only for sharp rejection but also for its bandstop characteristics. The design is then verified by simulation and experiment.
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页数：9
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