Third-Order Frequency-Agile Substrate-Integrated Waveguide Filter With a Pair of Transmission Zeros

被引：11
|
作者：
Lee, Boyoung [1 ]
Nam, Seunggoo [1 ]
Lee, Tae-Hak [2 ]
Lee, Juseop [1 ]
机构：
[1] Korea Univ, Seoul 02841, South Korea
[2] Ecole Polytech, Polygrames Res Ctr, Montreal, PQ H3T 1J4, Canada
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2017年 / 27卷 / 06期
基金：
新加坡国家研究基金会;
关键词：
Coupling; filter; substrate-integrated waveguide (SIW); topology; tunable;
D O I：
10.1109/LMWC.2017.2701329
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 letter, we present a third-order frequency-agile substrate-integrated waveguide (SIW) filter with a pair of transmission zeros. In addition, a relationship between the symmetric and asymmetric topologies for having same frequency responses is derived in this letter so that the coupling values of the asymmetric filter topology can be directly obtained from those of the symmetric one. For practical implementation, we also present a new methodology for physical implementation of a source-to-multiresonator coupling for frequency-tunable SIW resonator structure. The filter has been fabricated and measured for verifying the presented filter topology.
引用
收藏
页码：566 / 568
页数：3
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