Abstract
A new square wave generator is proposed using second generation differential current conveyor (DCCII). The proposed circuit has single DCCII and three passive components viz, two resistors and a single capacitor. The grounded capacitor feature has made in implementing a proposed waveform generator. Proposed circuit offers electronic tunability of its duty cycle, operating in wide range frequency from a few Hz to few MHz and also has improved linearity. Comparison of proposed circuit features in contrast to existing oscillator circuits are tabulated with relevant discussion and description mentioning prominent significances. Design and simulation is done in Cadence Virtuoso using gpdk 180 nm libraries. AD844AN commercial op-amps are used for experimental validation of the proposed model.
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