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A New CCII Based Sinusoidal Oscillator Circuit


University Department of Physics,
Ranchi University, Ranchi-834 002, India


A new sinusoidal oscillator circuit is presented using two capacitors, two resistors and a single current conveyor. The analytical expressions are obtained, both by assuming the current conveyor to be ideal and by taking the tracking errors into account. It has been shown that the slightly greater than unity value of loop gain required to maintain sustained oscillations is provided by taking the tracking errors into account. Simulation and experimental results are presented. The circuit presented generates perfectly sinusoidal waves in the audible frequency range and enjoys low sensitivity.

Keywords : CCII, Second generation current conveyor, Sinusoidal oscillator.