Volume 2 Number 1 (Feb. 2010)
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IJCEE 2010 Vol.2 (1): 63-66 ISSN: 1793-8163
DOI: 10.7763/IJCEE.2010.V2.114

Resistor-less Mixed-mode Quadrature Sinusoidal Oscillator

Abhirup Lahiri, Member, IACSIT

Abstract—The paper presents a realization of mixed-mode quadrature sinusoidal oscillator variants of current differencing transconductance amplifier. The proposed circuit is created using one modified current differencing transconductance amplifier (MCDTA), one current follower transconductance amplifier (CFTA) and two grounded capacitors. The circuit is resistor-less and the tuning laws for the condition of oscillation (CO) and the frequency of oscillation (FO) are independent. The circuit also provides two quadrature voltage outputs and two explicit quadrature current outputs. PSPICE simulation results have been included to verify the theoretical results.

Index Terms—Mixed-mode, Quadrature sinusoidal oscillators (QO), modified current differencing transconductance amplifier (MCDTA), current follower transconductance amplifier (CFTA)

Abhirup Lahiri is currently with the Division of Electronics and Communications, Netaji Subhas Institute of Technology (NSIT), Universityof Delhi, New Delhi, India. (Email: lahiriabhirup@yahoo.com).

Cite: Abhirup Lahiri, "Resistor-less Mixed-mode Quadrature Sinusoidal  Oscillator ,"  International  Journal  of
Computer and Electrical Engineering
vol. 2, no. 1, pp. 63-66, 2010.

General Information

ISSN: 1793-8163 (Print)
Abbreviated Title: Int. J. Comput. Electr. Eng.
Frequency: Quarterly
Editor-in-Chief: Prof. Yucong Duan
Abstracting/ Indexing: EI (INSPEC, IET), Ulrich's Periodicals Directory, Google Scholar, EBSCO, ProQuest, and Electronic Journals Library
E-mail: ijcee@iap.org

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