Realizations of Grounded Negative Capacitance Using CFOAs

被引：41
作者：
Lahiri, Abhirup [1 ]
Gupta, Maneesha [1 ]
机构：
[1] Univ Delhi, NSIT, Div Elect & Commun, Sector 3, New Delhi 110075, India
来源：
CIRCUITS SYSTEMS AND SIGNAL PROCESSING | 2011年 / 30卷 / 01期
关键词：
Active RC circuits; Grounded negative capacitance simulator (NCS); Current feedback operational amplifier (CFOA); Low-frequency quadrature oscillator (LF-QO); AMPLIFIERS; INDUCTORS; CIRCUIT; DIODE;
D O I：
10.1007/s00034-010-9215-3
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：
The paper presents new realizations of grounded negative capacitance, using current feedback operational amplifiers (CFOAs), two resistors and one capacitor. All the proposed realizations are canonic in the number of passive components and do not require any critical component matching condition. Application examples in capacitive cancellation schemes and resistance-controlled low-frequency quadrature sinusoidal oscillator design are provided. The workability of the circuits has been verified by PSPICE simulations.
引用
收藏
页码：143 / 155
页数：13
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