Compact dual-band bandstop filters using stepped-impedance resonators

被引：80
|
作者：
Chin, Kuo-Sheng [1 ]
Yeh, Jun-Hong [1 ]
Chao, Shuh-Han [2 ]
机构：
[1] Chan Gung Univ, Dept Elect Engn, Tao Yuan 333, Taiwan
[2] Diwan Coll Management, Dept Comp & Commun, Tainan 72153, Taiwan
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2007年 / 17卷 / 12期
关键词：
bandstop filter (BSF); dual-band (DB) filter; filter synthesis; stepped-impedance resonator (SIR);
D O I：
10.1109/LMWC.2007.910481
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 work presents a compact dual-band bandstop filter (DBBSF) that features two controllable stopbands at desired frequencies. Stepped-impedance resonators are utilized to realize the dual-stopband characteristics, and reduce size. The synthesis method is developed. An experimental circuit is fabricated and evaluated to validate the design concept. Measurements correlate well with the simulation results, and the size is 12.6% less than that of a standard DBBSF.
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页码：849 / 851
页数：3
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