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.

引用

页码：273 / 275

页数：3

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