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Electronically Tunable Mutator-based Memcapacitor Emulator
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DOI：10.1080/03772063.2026.2641770.png)
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Abstract
En 中文
This work proposes a memcapacitor emulator constructed utilizing a Voltage Differencing Gain Amplifier (VDGA). The proposed configuration comprises a VDGA, a resistor, a memristor, and a capacitor. At the core of the design is a mutator circuit that converts the behaviour of a grounded memristor into that of a memcapacitor, resulting in a space-efficient and functionally effective configuration. The realized configuration is capable of operating over a wide frequency range from 100 Hz to 1 MHz, making it well-suited for use in analog signal processing and neuromorphic circuits. The emulator exhibits excellent tunability, allowing the effective memcapacitance to be adjusted by varying the circuit parameters. The proposed design is implemented and verified using LTspice software, with TSMC 180 nm CMOS technology node. Simulation results confirm both the operational feasibility and performance robustness of the emulator. The proposed circuit consumes 1.447 mW of power and occupies a layout area of 11,554 & micro;m & sup2;. Additionally, the practical utility of the emulator is demonstrated by its successful deployment in the implementation of a chaotic oscillator and a neural spike generator.
Keywords:
Emulator
Memcapacitor
Memristor
Mutator
Pinch hysteresis loop
VDGA
Journal
IF:
1.3
Papers:
253
Citations:
3.3K