Electronically Tunable Current-Mode Quadrature Oscillator Using Single MCDTA
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Date
2010-12
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Referee
Mark
Journal Title
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Společnost pro radioelektronické inženýrství
Abstract
This paper presents a modified current differencing transconductance amlpifier (MCDTA) and the MCDTA based quadrature oscillator. The oscillator is current-mode and provides current output from high output impedance terminals. The circuit uses only one MCDTA and two grounded capacitors, and is easy to be integrated. Its oscillation frequency can be tuned electronically by tuning bias currents of MCDTA. Finally, frequency error is analyzed. The results of circuit simulations are in agreement with theory.
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Citation
Radioengineering. 2010, vol. 19, č. 4, s. 667-671. ISSN 1210-2512
http://www.radioeng.cz/fulltexts/2010/10_04_667_671.pdf
http://www.radioeng.cz/fulltexts/2010/10_04_667_671.pdf
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Peer-reviewed
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Published version
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en