A Wideband Balanced Bandpass Filter with DM Transmission Zeros Using Partial Electric/Magnetic Walls

被引：2
|
作者：
Li, Hao [1 ]
Guo, Xin [1 ]
Wu, Wen [1 ]
机构：
[1] Nanjing Univ Sci & Technol, Nanjing, Peoples R China
来源：
2019 INTERNATIONAL CONFERENCE ON MICROWAVE AND MILLIMETER WAVE TECHNOLOGY (ICMMT 2019) | 2019年
关键词：
MODULAR DESIGN;
D O I：
10.1109/icmmt45702.2019.8992396
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：
In this letter, a wideband balanced bandpass filter on modified doublet topology with symmetrical differential-mode transmission zeros (TZs) is presented, by using the partial electric/magnetic walls. The filter is comprised of two CPW lambda/2 resonators and one microstrip dual-mode resonator. By using two different kinds of resonators located on two sides of the substrate, the broad-side coupling with enhanced coupling strength can be involved to realize a wide bandwidth. The designed filter exhibits good performance with 3-dB fractional bandwidth of 21.6%, the minimal in-band insertion loss of 0.55 dB, and sharp edge roll-off skirts.
引用
收藏
页数：3
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