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

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 a...

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Bibliographic Details
Published in:IEEE transactions on instrumentation and measurement 1989-12, Vol.38 (6), p.1116-1121
Main Author: Al-Aaoui, M.A.
Format: Article
Language:English
Subjects:
Analog circuits
Applied sciences
Circuit properties
Circuits
Computational modeling
Electric, optical and optoelectronic circuits
Electronic circuits
Electronics
Exact sciences and technology
Frequency response
Operational amplifiers
Signal generators
Signal processing
Stability
Transfer functions
Voltage
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Summary: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.< >
ISSN:0018-9456
1557-9662
DOI:10.1109/19.46411