Design of a Trisection Wideband Microstrip Bandpass Filter with Frequency Dependent Coupling

被引：0
|
作者：
Wu, Xinghong [1 ]
Wei, Xubo [1 ]
Shi, Yu [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Elect Sci & Engn, Chengdu, Sichuan, Peoples R China
来源：
2018 10TH INTERNATIONAL CONFERENCE ON COMMUNICATIONS, CIRCUITS AND SYSTEMS (ICCCAS 2018) | 2018年
关键词：
wideband; bandpass filter; frequency dependent coupling; matrix; electromagnetic coupling; transmission zero;
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：
This paper presents a novel trisection wideband bandpass filter which is centered at 3.6 GHz with 50% fractional band width. The design process of this filter is based on frequency dependent coupling matrix. The frequency dependent coupling is introduced to the filter by separate electromagnetic coupling paths. Two transmission zeros are achieved near the passband. Another transmission zero is generated by harmonic effect. These transmission zeros together improve the selectivity of the filter. The filter was manufactured and measured. Measurements are in good agreement with the simulations.
引用
收藏
页码：136 / 139
页数：4
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