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Electronically Controllable Quadrature Sinusoidal Oscillator Using VD-DIBAs
Department of Electronics and Communication Engineering, Maharaja Agrasen Institute of Technology, New Delhi, India
- 1 Department of Electronics and Communication Engineering, Maharaja Agrasen Institute of Technology, New Delhi, India
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Abstract
A new voltage-mode quadrature sinusoidal oscillator (QSO) using two voltage differencing-differential input buffered amplifiers (VD-DIBAs) and only three passive components (two capacitors and a resistor) is presented. The proposed QSO circuit offers advantages of independent electronic control of both oscillation frequency and condition of oscillation, availability of two quadrature voltage outputs and low active and passive sensitivities. SPICE simulation results have been included using 0.35 μm MIETEC technology to confirm the validity of the proposed QSO oscillator.
KeywordsVoltage Differencing-Differential Input Buffered AmplifierVoltage-ModeQuadrature Sinusoidal Oscillator
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