Memristor Emulator Circuits: Recent Advances in Design Methodologies, Healthcare Applications, and Future Prospects.

Area of Science:

• Electronics and Electrical Engineering
• Materials Science
• Computer Engineering

Background:

• Memristors, the fourth fundamental circuit element, show promise for analog signal processing, computing, and memory.
• Physical memristor implementations face challenges in reproducibility, scalability, and CMOS integration.
• Memristor emulator circuits provide tunable, cost-effective alternatives compatible with existing technologies.

Purpose of the Study:

• To provide a comprehensive review of recent advancements in memristor emulator design methodologies.
• To critically evaluate various emulation techniques based on performance metrics.
• To examine healthcare applications of memristors and their emulators in biomedical systems.

Main Methods:

• Analysis of active and passive analog circuits, digital implementations, and hybrid memristor emulator approaches.
• Critical evaluation based on operational frequency, power consumption, and circuit topology.
• Assessment of additional parameters for comprehensive evaluation of emulation techniques.

Main Results:

• Identified diverse design methodologies for memristor emulators, including analog, digital, and hybrid circuits.
• Evaluated emulation techniques against key performance metrics like frequency range and power consumption.
• Highlighted promising healthcare applications, particularly in biomedical systems integration.

Conclusions:

• Memristor emulator technology effectively bridges the gap between theoretical memristor models and practical circuit implementations.
• The reviewed techniques offer viable solutions for research and prototyping, overcoming physical memristor limitations.
• Future research should focus on further development and application of memristor emulators, especially in healthcare.