Abstract
This letter presents a realization of voltage-mode quadrature sinusoidal oscillator with independent current tunable frequency of oscillation. The circuit uses a single differential voltage current conveyor transconductance amplifier (DVCCTA) as the active building block and four all grounded passive elements. PSPICE simulation results have been included to verify the theoretical results.
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Acknowledgements
The authors would like to thank the anonymous reviewers for their helpful comments and suggestions and bringing to the attention of the authors important references which have considerably helped in improving of our work. The authors are also very grateful to Prof. Dr. Muhammad Taher Abuelma’atti, for sending copies of his work [25] and which helped in revising our work.
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Lahiri, A., Jaikla, W. & Siripruchyanun, M. Voltage-mode quadrature sinusoidal oscillator with current tunable properties. Analog Integr Circ Sig Process 65, 321–325 (2010). https://doi.org/10.1007/s10470-010-9488-2
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DOI: https://doi.org/10.1007/s10470-010-9488-2