A Filter with Equal-Ripple Negative Group Delay

被引：0
|
作者：
Qiu, Liang-Feng [1 ]
Wu, Lin-Sheng [1 ]
Yin, Wen-Yan [1 ,2 ]
Mao, Jun-Fa [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Key Lab, Minist Educ Design & Electromagnet Compatibil Hig, Shanghai 200240, Peoples R China
[2] Zhejiang Univ, Sch Informat Sci & Elect Engn, Hangzhou 310058, Zhejiang, Peoples R China
来源：
2018 IEEE RADIO & WIRELESS SYMPOSIUM (RWS) | 2018年
关键词：
Bandstop filter; equal ripple; nonuniform Q-factors; negative group delay;
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：
A new design method is proposed for filters with equal-ripple negative group delay (NGD). By combining the coupling matrix of bandstop filter with the nonuniform-Q technique, the equal-ripple NGD characteristic is achieved. The ripple is mainly determined by the minimum dissipation factor of resonators, while the NGD is controlled by the maximum insertion loss and dissipation factors. A prototype is developed at 2.0 GHz, with the measured NGD of -3.1 ns and NGD ripple of -0.5 ns within the bandwidth of 85 MHz.
引用
收藏
页码：263 / 266
页数：4
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