Abstract
In this paper, new analog emulator circuits of flux-controlled memristor based on current voltage differencing transconductance amplifier (VDTA) and passive elements are proposed. They emulate both types of memductance, incremental and decremental, solely by interchanging the VDTA output terminals controlled by a simple switch. It uses only one VDTA, two resistors, one capacitor and one multiplier emulating floating memductance. Compared to other designed emulator circuits, they consist of fewer CMOS transistors and have wider output ranges. Theoretical derivations and related results are validated using SPICE simulations. The effectiveness of the proposed memristor circuits is verified by experimental results using commercially available integrated circuits, showing close agreement with theoretical and simulation results and easily reproducible at a low cost. The simulation test results and use of 0.18 μm CMOS technology have shown that the maximum frequency is 2 MHz. The circuit has also been tested for non-volatility features.The application of the proposed floating memristor emulator in designing an FM-to-AM converter confirms the functionality of the proposed circuit.
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