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A balanced CMOS OpAmp with high EMI immunity
Subrahmanyam, B.; Das, D.; Baghini, M. S. et al.
2014 • In IEEE International Symposium on Electromagnetic Compatibility, p. 703-708
Peer reviewed
Permalink
https://hdl.handle.net/2268/237916
DOI
10.1109/EMCEurope.2014.6930995
 

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Keywords :
CMOS; Analog integrated circuits; CMOS integrated circuits; Differential amplifiers; Electric current regulators; Electromagnetic compatibility; Electromagnetic pulse; Electromagnetic wave interference; Signal interference; Analysis and simulation; CMOS operational amplifiers; Input terminals; Miller operational amplifiers; Offset voltage; Phase margins; Power supply rejection; Unity-gain frequencies; Operational amplifiers
Abstract :
[en] In this paper a balanced CMOS operational amplifier which has higher electromagnetic interference (EMI) immunity compared to a double differential amplifier and standard Miller operational amplifier, has been introduced. The proposed amplifier has better EMI immunity, from 1 MHz - 1 GHz, by keeping specifications such as gain, -3 dB bandwidth, phase margin, power supply rejection and unity gain frequency same as in the Miller operational amplifier. Analysis and simulation results are compared when an EMI signal of 1.1 Vpp applied at the input terminal. The simulation results show that the EMI-induced offset voltage is lesser over a wide range of frequencies for the proposed amplifier. © 2014 IEEE.
Disciplines :
Electrical & electronics engineering
Author, co-author :
Subrahmanyam, B.;  IITB, Monash Research Academy, Indian Institute of Technology, Bombay, India
Das, D.;  Department of Electrical Engineering, Indian Institute of Technology, Bombay, India
Baghini, M. S.;  Department of Electrical Engineering, Indian Institute of Technology, Bombay, India
Redouté, Jean-Michel  ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes microélectroniques intégrés
Language :
English
Title :
A balanced CMOS OpAmp with high EMI immunity
Publication date :
2014
Event name :
2014 International Symposium on Electromagnetic Compatibility, EMC Europe 2014
Event date :
1 September 2014 through 4 September 2014
Audience :
International
Journal title :
IEEE International Symposium on Electromagnetic Compatibility
ISSN :
1077-4076
Publisher :
Institute of Electrical and Electronics Engineers Inc.
Pages :
703-708
Peer reviewed :
Peer reviewed
Funders :
INTEL
Government of India
Commentary :
9781479932252
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