Dual-band bandpass filters using stub-loaded resonators

被引：386
|
作者：
Zhang, Xiu Yin [1 ]
Chen, Jian-Xin
Xue, Quan
Li, Si-Min
机构：
[1] City Univ Hong Kong, Dept Elect Engn, Wireless Commun Res Ctr, Kowloon, Hong Kong, Peoples R China
[2] Guilin Univ Elect Technol, Guilin 541004, Peoples R China
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2007年 / 17卷 / 08期
关键词：
bandpass filter (BPF); dual-band; stub-loaded; resonator (SLR);
D O I：
10.1109/LMWC.2007.901768
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：
Dual-band bandpass filters using novel stub-loaded resonators (SLRs) are presented in this letter. Characterized by both theoretical analysis and full-wave simulation, the proposed SLR is found to have the advantage that the even-mode resonant frequencies can be flexibly controlled whereas the odd-mode resonant frequencies are fixed. Based on the proposed SLR, a dual-band filter is implemented with three transmission zeros. To further improve the selectivity, a filter with four transmission zeros on either side of both passbands is designed by introducing spur-line. The measured results validate the proposed design.
引用
收藏
页码：583 / 585
页数：3
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