A Novel Mixed and Cross-coupled Bandpass Filter based on Stepped-Impedance-Resonator

被引：0
|
作者：
Tang, W. [1 ]
He, J. [1 ]
机构：
[1] Univ Elect Sci & Technol China, RIEST, Chengdu 611731, Peoples R China
来源：
2013 INTERNATIONAL WORKSHOP ON MICROWAVE AND MILLIMETER WAVE CIRCUITS AND SYSTEM TECHNOLOGY (MMWCST) | 2013年
关键词：
mixed-coupling; cross-coupled; SIRs; zero point;
D O I：
暂无
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：
An improved stepped impedance resonator (SIR) is proposed in this paper. Due to this improved resonator, mixed coupling is obtained in filter design. Additional transmission zero is achieved base on new added coupling path. The proposed resonator was adopted to instead one resonator in conventional fourth-order cross-coupled filter. Base on proposed filter topology, a four-pole bandpass filter both with mixed-coupling and cross-coupled have been fabricated and measured. Advantages of this filter not only its sharp rejection, but also its spurious suppression with multi-zeros.
引用
收藏
页码：275 / 278
页数：4
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