A Novel Dual-Band Negative Group Delay Microwave Circuit

被引：0
|
作者：
Shao, Te [1 ]
Fang, Shaojun [1 ]
Wang, Zhongbao [1 ]
Liu, Hongmei [1 ]
Fu, Shiqiang [1 ]
机构：
[1] Dalian Maritime Univ, Sch Informat Sci & Technol, Dalian 116026, Peoples R China
来源：
2019 IEEE RADIO AND WIRELESS SYMPOSIUM (RWS) | 2019年
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Dual-band; microwave circuit; negative group delay (NGD);
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
A novel dual-band negative group delay circuit (NGDC) is proposed. The proposed NGDC is composed of an open-circuited transmission line and two resistors connected by two transmission lines. The frequency ratio can be controlled by the characteristic impedance of the transmission lines. To verify the design concept, a dual-band NGDC with the frequency ratio of n = 2 is designed and fabricated. The measured group delay value is -1.03 ns at the center frequencies of lower and upper bands. And the measured NGD bandwidths are 35.2% for the lower band and 16.6% for the upper band, in which the return loss and insertion loss are better than 17.6 dB and 16.9 dB, respectively.
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页码：273 / 275
页数：3
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