Electronically Tunable Third-Order Quadrature Oscillator Using CDTAs

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Date
2010-06
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Advisor
Referee
Mark
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Společnost pro radioelektronické inženýrství
Abstract
A current/voltage-mode third-order quadrature oscillator based on current differencing transconductance amplifiers (CDTAs) is presented in this paper. Outputs of two current-mode and two voltage-mode sinusoids each with 90o phase difference are available in the quadrature oscillator circuit. The oscillation condition and oscillation frequency are independently controllable. The proposed circuit employs only grounded capacitors and is ideal for integration. Simulation results are included to confirm the theoretical analysis.
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Citation
Radioengineering. 2010, vol. 19, č. 2, s. 326-330. ISSN 1210-2512
http://www.radioeng.cz/fulltexts/2010/10_02_326_330.pdf
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Peer-reviewed
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en
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Creative Commons Attribution 3.0 Unported License
http://creativecommons.org/licenses/by/3.0/
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