Abstract
A general computer-based technique is given for investigating the high-frequency performance of second-order active RC networks employing an arbitrary number of operational amplifiers. It uses the dominant-pole technique for finding deviations in Q and ω0 from their nominal values as a function of the gain bandwidth product of the operational amplifiers. The technique is applied to active RC circuits simulating a nonideal grounded inductance and curves are given for the highest usable frequency for permissible deviation in Q and ω0 for some typical circuits.
Source: Muslim T. Ahmed & S.C. Dutta Roy, “Evaluating the Frequency Limitations of Operational Amplifier RC Networks by the Dominant-Pole Technique and Its Applications to Inductance Simulation,” JIETE, vol 22, pp 703–708, November 1976.
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References
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Dutta Roy, S.C. (2020). Evaluating the Frequency Limitations of Operational Amplifier RC Networks by the Dominant-Pole Technique. In: Topics in Signal Processing. Springer, Singapore. https://doi.org/10.1007/978-981-13-9532-1_13
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DOI: https://doi.org/10.1007/978-981-13-9532-1_13
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