Systematic Derivation for Quadrature Oscillators Using CCCCTAs
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Date
2015-06
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Mark
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Společnost pro radioelektronické inženýrství
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Abstract
According to 16 nullor-mirror models of the current-controlled current conveyor transconductance amplifier (CCCCTA) and using nodal admittance matrix (NAM) expansion method, three different classes of the double-mode quadrature oscillators employed CCCCTAs and two grounded capacitors are synthesized. The class I oscillators have 32 different forms, the class II oscillators have 16 different forms, and the class III oscillators have four different forms. In all, 52 quadrature oscillators using CCCCTAs are obtained. Having used canonic number of components, the circuits are easy to be integrated and the condition for oscillation and the frequency of oscillation can be tuned by tuning bias currents of the CCCCTAs. The circuit analysis and simulation results have been included to support the generation method.
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Radioengineering. 2015 vol. 24, č. 2, s. 535-543. ISSN 1210-2512
http://www.radioeng.cz/fulltexts/2015/15_02_0535_0543.pdf
http://www.radioeng.cz/fulltexts/2015/15_02_0535_0543.pdf
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Peer-reviewed
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en