It is shown that current-mode floating inductors can be derived from two basic circuit topologies based on operational transconductance amplifiers. Most of the well-known active inductors can be derived by replacing the transconductance amplifiers in the basic topologies by equivalent circuits incorporating current conveyors. By this consideration the relationship between apparently unrelated circuits is shown and new circuits are derived in a systematic way.
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Layos et al. (1997) studied this question.
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