Quarter-Wavelength Stepped-Impedance Resonator Filter With Mixed Electric and Magnetic Coupling

被引：89
|
作者：
Zhu, Fang [1 ]
Hong, Wei [1 ]
Chen, Ji-Xin [1 ]
Wu, Ke [2 ]
机构：
[1] Southeast Univ, Sch Informat Sci & Engn, State Key Lab Millimeter Waves, Nanjing 210096, Jiangsu, Peoples R China
[2] Ecole Polytech, Poly Grames Res Ctr, Dept Elect Engn, Montreal, PQ H3T 1J4, Canada
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2014年 / 24卷 / 02期
关键词：
Bandpass filter (BPF); mixed-coupling; stepped-impedance resonator (SIR); transmission zero (TZ);
D O I：
10.1109/LMWC.2013.2290225
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 proposes a new type of microstrip quarter-wavelength stepped-impedance resonator (SIR) filter with controllable mixed electric and magnetic coupling. A conducting pin and an open gap between two coupled SIRs are jointly used to create the mixed coupling, and the electric and magnetic coupling can be separately controlled by adjusting the spacing between the gap and the position of the conducting pin. Based on the proposed structure, a second-order filter and a third-order filter are designed and fabricated. Good agreement between the measured and simulated data is obtained.
引用
收藏
页码：90 / 92
页数：3
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