Ultra-Compact Bandpass Filter with Super Wide Upper Stopband

被引：0
|
作者：
Xiong, Yang [1 ]
Zhang, Wei [2 ]
Wang, Li-Tian [3 ]
机构：
[1] Southwest China Inst Elect Technol, Chengdu 610036, Peoples R China
[2] China Elect Technol Grp Corp, Chongqing Acoust Opt Elect Co, Chongqing 400060, Peoples R China
[3] Nankai Univ, Coll Elect Informat & Opt Engn, Tianjin 300350, Peoples R China
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH LETTERS | 2020年 / 92卷
关键词：
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 S-band bandpass filter based on quarter wavelength stepped-impedance resonators (SIRs) is presented in this paper. Two SIRs are loaded to the BPF to obtain wide stopband suppression. The center frequency f(0) of the bandpass filter is located at 2.105GHz with 3-dB fraction bandwidth (FBW) of 11.9%. It shows that the spurs free upper stopband with 15 dB rejection level can extend to 40 GHz (19f(0)). The circuit size of this filter is extremely compact, which occupies only 7.35 mm x 7.5 mm.
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页码：61 / 67
页数：7
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