Operational Transresistance Amplifier-Based Multiphase Sinusoidal Oscillators

Operational Transresistance Amplifier-Based Multiphase Sinusoidal Oscillators

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Multiphase sinusoidal oscillator circuits are presented which utilize Operational Whips Transresistance Amplifier (OTRA) as the active element.The first circuit produces n odd-phase oscillations of equal amplitudes and equally spaced in phase.The second circuit is capable of producing n odd- or even- phase oscillations equally spaced in phase.An alternative approach is discussed in the third circuit, which utilizes a single-phase tunable oscillator circuit which is used to inject signals Course a pied - Femme - Vetements - Pantalon - Nylon into a phase shifter circuits.An automatic gain control (AGC) circuit has been implemented for the second and third circuit.

The circuits are simple to realize and have a low component count.PSPICE simulations have been given to verify the theoretical analysis.The experimental outcome corroborates the theoretical propositions and simulated results.