A Novel Compact Ultra-Wideband Bandpass Filter Using Microstrip Stub-Loaded Triple-Mode Resonator Doublets

被引：0
|
作者：
Zhou, Y. X. [1 ]
Qu, D. X. [1 ]
Zhong, X. J. [1 ]
Ye, J. D. [1 ]
Li, K. [1 ]
机构：
[1] PLA UST, Coll Commun Engn, Microwave Commun Dept, Nanjing 210007, Jiangsu, Peoples R China
来源：
2015 IEEE INTERNATIONAL WIRELESS SYMPOSIUM (IWS 2015) | 2015年
关键词：
Ultra-wideband filter; microstrip filter; doublets; triple-mode resonator; stepped-impedance stub-loaded resonator (SISLR); shunt stub-loaded resonator (SLR);
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：
two novel compact ultra-wideband (UWB) bandpass filter is developed by using two kinds of stub-loaded triple-mode resonator doublets. The proposed doublet consists of two parallel but oppositely arranged stub-loaded resonators. An UWB filter is designed by cascading three doublets, and eleven transmission poles are obtained in its passband. The high-orders filter has a passband covering 3.4-10.4 GHz, and exhibits sharp attenuations near its passband. The simulation frequency response of the filter shows an insertion loss of 0.8 dB, a return loss of 9.5 dB in the passband and high selectivity in cut-off frequency. Good agreement between the EM simulation and measurement is obtained.
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页数：4
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