Abstract
A third-order quadrature sinusoidal oscillator (TOQSO) is proposed employing two voltage differencing inverting buffered amplifiers (VDIBAs), three grounded capacitors and a resistor. The proposed TOQSO enjoys electronically tunable, non-interactive condition and frequency control. The TOQSO uses all grounded capacitors, which is suitable for IC implementation. Moreover, the internal CMOS realization of VDIBA is possibly the simplest among all recently introduced new active building blocks. SPICE simulation results have been provided to support the validity of proposed TOQSO using TSMC 0.18 µm technology.
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Acknowledgements
The authors gratefully acknowledge Professor Raj Senani and Professor Pragati Kumar for their valuable suggestions/modifications in the preparation of this manuscript. The authors also wish to thank the anonymous reviewers for their constructive comments and suggestions.
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Pushkar, K.L., Bhaskar, D.R. Voltage-mode third-order quadrature sinusoidal oscillator using VDIBAs. Analog Integr Circ Sig Process 98, 201–207 (2019). https://doi.org/10.1007/s10470-018-1359-2
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DOI: https://doi.org/10.1007/s10470-018-1359-2