Active RC realization of bilinear and linear RL impedances†

Abstract
An active HC circuit suitable for the realization of an inductor is presented. Adjustment or the passive parameters lead to the realization of a bilinear or a linear RL impedance in the circuit. An ideal inductor is also realizable in the circuit whose value can be abitrarily changed. The circuit is therefore conveniently used to form a sinewave generator whose frequency can be varied over a wide range. The theoretical findings are experimentally supported.

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