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A novel approach to designing a noninverting integrator with built-in low frequency stability, high frequency compensation, and high Q

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1 Author(s)
Al-Aaoui, M.A. ; Dept. of Electr. Eng., American Univ. of Beirut

A novel approach to designing a noninverting integrator, by inverting the transfer functions of a passive RC differentiator, is presented. It results in a built-in zero that extends the frequency range of the integrator. In addition, the resulting circuit acts as an amplifier for DC input voltages and thus exhibits a built-in low-frequency stability. The noninverting integrator realization of the concept performs at higher frequencies with higher quality factors. the classical inverse design approach is used to obtain the inverse of a transfer function. Experimental results corroborating the theoretical predictions are reported. Simulation results, using Microcap II, also corroborate the theoretical expectations

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Instrumentation and Measurement, IEEE Transactions on  (Volume:38 ,  Issue: 6 )