A Floating Analog Memristor Emulator Circuit

This brief introduces a new floating memristor emulator circuit based on second-generation current conveyors and passive elements. A mathematical model to characterize the memristor behavior was derived, showing a good accuracy among HSPICE simulations and experimental results. An analysis of the frequency behavior of the memristor is also described, showing that the frequency-dependent pinched hysteresis loop in the current-versus-voltage plane holds up to 20.2 kHz. Theoretical derivations and related results are experimentally validated through implementations from commercially available devices, and the proposed memristor emulator circuit can easily be reproducible at a low cost. Furthermore, the emulator circuit can be used as a teaching aid and for future applications with memristors, such as sensors, cellular neural networks, chaotic systems, programmable analog circuits, and nonvolatile memory devices.

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