High selective wideband bandpass filter with mixed-coupled resonators

被引：1

作者：

Shu, Panlin ^{[1
]}

Liao, Ao ^{[1
]}

Zhang, An ^{[1
]}

Luo, Yang ^{[1
]}

Tang, Binhan ^{[1
]}

Wang, Chunfu ^{[1
]}

Li, Yanrui ^{[1
]}

机构：

[1] China Elect Technol Grp Corp, Res Inst 29, Chengdu, Peoples R China

来源：

JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS | 2022年 / 36卷 / 03期

关键词：

Mixed-coupling; bandpass filter; interdigital filter; transmission zeros;

D O I：

10.1080/09205071.2021.1969689

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：

Novel electric and magnetic mixed-coupled resonators and a general design method for high selective wideband bandpass filters are presented in this paper. Transmission zeros are introduced in the filters for high selectivity, and the location of the transmission zeros can be adjusted without passband characters changing. To verify the design method, an eighth-order mixed-coupled filter is designed, fabricated and measured; the measured results show higher rejection compared with the conventional interdigital filters. Good agreements are obtained between simulated and measured results.

引用

页码：356 / 365

页数：10

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