Realizing Wideband Negative Inductor Using Current Feedback Amplifier

被引：0
|
作者：
Xia Zhenxing [1 ]
An Sensong [1 ]
Li Meiling [1 ]
Zhu Qi [1 ]
机构：
[1] Univ Sci & Tech China, Chinese Acad Sci, Dept EEIS, Key Lab Electromagnet Space Informat, Hefei 230027, Peoples R China
来源：
2015 IEEE 4TH ASIA-PACIFIC CONFERENCE ON ANTENNAS AND PROPAGATION (APCAP) | 2015年
关键词：
active inductors; non-Foster circuits; R-H criterion; stability analysis;
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：
Firstly, a compact current feedback amplifier-based negative impedance converter (CFA-based NIC) is designed and its equivalent circuit is proposed. Secondly, to obtain a stable negative inductor, a stabilization network is developed and combined with the CFA-based NIC. Meanwhile, the stability of the combined circuit is analyzed in the time domain by the method of Routh-Hurwitz criterion (R-H criterion). Finally, the prototype of the designed CFA-based NIC with stabilization network is fabricated. The measurement results have a good agreement with simulated results. The measurement results show the negative inductive property of the input impedance over a wideband from 50 MHz to 500 MHz. Especially, the equivalent inductor of the present circuit is -3.4 nH +/- 10 % from 200 MHz to 500 MHz.
引用
收藏
页码：515 / 517
页数：3
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