Abstract
A new configuration for realizing third-order quadrature oscillator (TOQO) circuit using operational transresistance amplifier (OTRA) with voltage output is presented. It may also be reported as MOS-C realization, which eases the integrated circuit implementation. It uses two OTRAs, four resistors, and three capacitors. The frequency of oscillation and condition of oscillation are orthogonally controllable. The effect of non-ideality analysis of the circuit is also given and found that at high frequency the effect of parasitic capacitance is negligible. PSPICE simulations and experimental test are provided to verify all the theoretical analysis.
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