Design of UWB bandpass filter with dual notched bands

被引：2
|
作者：
Chu QingXin [1 ]
Tian XuKun [1 ]
机构：
[1] S China Univ Technol, Sch Elect & Informat Engn, Guangzhou 510640, Guangdong, Peoples R China
来源：
SCIENCE CHINA-INFORMATION SCIENCES | 2012年 / 55卷 / 06期
基金：
中国国家自然科学基金;
关键词：
bandpass filter; bandstop units; notched bands; ultra-wideband;
D O I：
10.1007/s11432-012-4554-2
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
An ultra-wideband (UWB) bandpass filter (BPF) with dual sharply rejected notch-bands to eliminate the interference from coexisting radio systems is presented in this paper. The characteristics of the proposed notched structure are investigated using simulations to demonstrate the design flexibility of the notchband performance. After integrating the proposed notched structure into the basic UWB BPF based on a stepped-impedance stub loaded resonator (SISLR), a UWB BPF with dual sharply rejected notched bands at 5.2 and 5.8 GHz is constructed. Finally, the designed filter is built and tested. The simulated and measured results are found to be in good agreement to verify the proposed design.
引用
收藏
页码：1436 / 1440
页数：5
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