Results 141 to 150 of about 612 (188)
CNTFET Based Inductance Simulator Circuits Employing Single CFOA and Its Filter Applications
Analog Integrated Circuits and Signal Processing, 2022 The purpose of this paper is to design novel inductance simulator topologies using 32 nm carbon nanotube field effect transistor (CNTFET) technology. In a CMOS CFOA structure, we replaced MOS transistors by CNFETs and determined the optimum tube numbers ...
Islombek Mamatov +2 more
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Theoretical Study of the Circuit Architecture of the Basic CFOA and Testing Techniques [PDF]
International Journal of Electronics, 2016 This paper examines the closed-loop characteristics of the basic CFOA, and in particular, the dynamic response. Additionally, it also examines the design and advantages of the CFOA regarding its ability to provide a significantly constant closed-loop ...
Khaled Hayatleh, N Terzopoulos, S Barker
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Wide-Bandwidth CFOA With High CMRR Performance [PDF]
AEU - International Journal of Electronics and Communications, 2014 Abstract In this paper the authors analyze the conventional current-feedback operational amplifier (CFOA) in terms of common-mode-rejection ratio (CMRR) performance, and having identified the mechanism primarily responsible for the CMRR, they propose two new architecture CFOAs.
Cristiana Sebu +2 more
exaly +3 more sources
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Analysis of the Input Stage of the CFOA
AEU - International Journal of Electronics and Communications, 2010Abstract The input stage design in current-feedback operational amplifiers (CFOAs) is primarily responsible for determining the performance of the amplifier, including input voltage range, input referred offset voltage and DC input current. This paper focuses on analysis of the input stage of the conventional CFOA. The outcome of the work gives clear
Khaled Hayatleh
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New Universal Biquads Employing CFOAs
IEEE Transactions on Circuits and Systems II: Express Briefs, 2006Four new single-input-multi-output-type universal biquad filters using current-feedback operational amplifiers (CFOAs) are presented, which realize all the five standard filter functions (namely, low-pass, bandpass, high-pass, notch, and all-pass) from the same configuration, provide tunability of the various filter parameters in all the five responses,
Vinod Kumar Singh +3 more
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A New PID Controller Circuit Design Using CFOAs
Circuits, Systems, and Signal Processing, 2020In this study, a new CFOA-based PID controller circuit is designed and implemented by a systematic approach employing signal-flow graph theory which is a powerful tool for active circuit design. The proposed circuit has independently adjustable PID parameters ( $$K_\mathrm{P}$$
Zehra Gülru Çam Taskiran +2 more
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Effect of CFOA Nonidealities in Miller Integrator Cells
IEEE Transactions on Circuits and Systems II: Express Briefs, 2004The performance of the Miller integrator cells based on current feedback OpAmps (CFOAs) is evaluated. Inverting and noninverting structures are analyzed and compared to traditional implementations using voltage OpAmps (VOAs). Fundamental relations, useful for design purposes, are also carried out.
R. MITA +2 more
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Advances in the Design of Bipolar/CMOS CFOAs and Future Directions of Research on CFOAs
2013This chapter outlines recent advances in the design of bipolar and CMOS CFOAs and describes a number of new bipolar as well as CMOS CFOA architectures chosen from the ones reported in recent technical literature. Also included is a discussion about various modified forms of CFOAs which have been proposed recently (such as current-controlled CFOA ...
Raj Senani +3 more
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CFOA-based fractional order simulated inductor
2016 IEEE 59th International Midwest Symposium on Circuits and Systems (MWSCAS), 2016In this paper, a generalized fractional-order form of the simulated inductor using a single current feedback operational amplifier (CFOA) and a fractional-order capacitor is introduced. Analytical expression of the equivalent fractional-order inductor versus the circuit elements is achieved.
Kareem H. Khattab +2 more
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Filter circuits synthesis with CFOA-based differentiators
IMTC/99. Proceedings of the 16th IEEE Instrumentation and Measurement Technology Conference (Cat. No.99CH36309), 2003A new design approach for active RC biquadratic filter circuits using differentiators is presented. The method exploits current-feedback operational amplifiers as active elements. Compared to conventional op-amps, these amplifiers are characterized by a very high bandwidth and offer a more efficient frequency compensation.
PALUMBO, Gaetano, PENNISI, Salvatore
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