A Simple Current-Mode Quadrature Oscillator Using Single CDTA
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This article presents a simple current-mode quadrature oscillator using a single Current Differencing Transconductance Amplifier (CDTA) as the active element. The oscillation condition and oscillation frequency can be electronically controlled. The circuit structure is very simple, consisting of merely one CDTA, one resistor and two capacitors. The proposed circuit is suitable for IC architecture. The PSpice simulation and experimental results are shown, and the results agree well with the theoretical assumptions.
Document typePeer reviewed
Document versionFinal PDF
SourceRadioengineering. 2008, vol. 17, č. 4, s. 33-40. ISSN 1210-2512
- 2008/4