SYNTHESIS METHOD FOR CHEBYSHEV DUAL-BAND MICROWAVE FILTERS

被引：4
|
作者：
Qin, H. -B. [1 ]
Zhai, Y. -W. [1 ]
Zhao, Y. -J. [1 ]
机构：
[1] Xidian Univ, Sch Mechanoelect Engn, Xian 710071, Shaanxi, Peoples R China
来源：
JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS | 2010年 / 24卷 / 2-3期
关键词：
RESONATOR; DESIGN;
D O I：
10.1163/156939310790735697
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 synthesis method for symmetric and asymmetric dual-band microwave filters is presented. The proposed method is based on the frequency transformation technique, and the poles and zeros of a desired dual-band filter can be determined by the low-pass prototype filter. To simplify the filter design, an analytical method based on iterations is introduced to eliminate the redundant transmission zeros. The remaining transmission zeros can be rearranged to improve the frequency selectivity. To validate this method, a microstrip open-loop symmetric dual-band filter has been designed and fabricated. The measured results are in good agreement with the simulated ones.
引用
收藏
页码：307 / 317
页数：11
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