Abstract
The effect of the non-ideal characteristics of operational amplifier such as finite frequency dependent gain and output impedance on the performance of some single amplifier simulated inductances is analysed. Equivalent circuits showing the parasitic elements due to non-ideal characteristics are given. In two configurations the inductance is shown to have series FDNRs/FDNCs and shunt capacitance in addition to series and shunt resistances. The experimental results confirm the validity of the equivalent circuits. The effect of the slew rate of the operational amplifier on the maximum signal-handling capability is studied. The analysis and equivalent circuits give a clear physical concept of the effect of the non-ideal characteristics of the amplifier on the performance of the simulated inductances and are helpful for predistorted design of filters using non-ideal simulated inductances.
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