Substrate integrated waveguide (SIW) asymmetric dual-mode filter and diplexer

被引:15
作者
Chen, X [1 ]
Hong, W
Cui, T
Wu, K
机构
[1] Southeast Univ, State Key Lab Millimeter Waves, Dept Radio Engn, Nanjing 210096, Peoples R China
[2] Ecole Polytech Montreal, Poly Grames Res Ctr, Dept Genie Elect, Montreal, PQ H3V 1A2, Canada
基金
中国国家自然科学基金; 中国博士后科学基金;
关键词
D O I
10.1080/00207210500304494
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
Substrate integrated waveguide (SIW) can be used to implement high Q waveguide components with the same easy and low-cost fabrication process as planar circuits. In this paper two inline three-pole dual-mode filters with asymmetric transmission response based on SIW are presented. These two filters, consisting of a TE102-TE301 dual-mode SIW cavity and a TE101 mode SIW cavity, are centred at around 10 GHz with a transmission zero on the left of the passband and the right of the passband, respectively. Based on the two kinds of three-pole deal-mode filters, a diplexer with isolation better than 35 dB is developed. A linear microstrip taper is used to implement the transition between microstrip and SIW. The measured results agree with simulated results.
引用
收藏
页码:743 / 753
页数:11
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