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

页码：263 / 266

页数：4

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