A novel coupling structure suitable for cross-coupled filters with folded quarter-wave resonators

被引：47
|
作者：
Chang, CY [1 ]
Chen, CC [1 ]
机构：
[1] Natl Chiao Tung Univ, Inst Elect Commun Engn, Hsinchu 300, Taiwan
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2003年 / 13卷 / 12期
关键词：
cross-coupled filter; magnetic cross coupling; quarter-wave resonator;
D O I：
10.1109/LMWC.2003.819957
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：
A new class of coupling structure for cross-coupled filters with folded quarter-wave resonators is presented. The cross coupling mechanism is realized by magnetic coupling from the short ends of the resonator. The proposed magnetic coupling solves the problem of response limitation of folded quarter-wave resonator cross-coupled filters that were introduced previously using electrical cross coupling. Several quadruplet and trisection filters are proposed and fabricated. The measured results matched well with the theoretical prediction.
引用
收藏
页码：517 / 519
页数：3
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