A5002349444- Analog and Mixed-Signal Circuit Design
- Advanced MEMS and NEMS Technologies
- VLSI and FPGA Design Techniques
- Mechanical and Optical Resonators
- CCD and CMOS Imaging Sensors
- Advanced Memory and Neural Computing
- Low-power high-performance VLSI design
- Advancements in Semiconductor Devices and Circuit Design
- Radio Frequency Integrated Circuit Design
- Evolutionary Algorithms and Applications
- VLSI and Analog Circuit Testing
- Acoustic Wave Resonator Technologies
- Advanced Multi-Objective Optimization Algorithms
- Neural Networks and Reservoir Computing
- Force Microscopy Techniques and Applications
- Metaheuristic Optimization Algorithms Research
- Photonic and Optical Devices
- Neuroscience and Neural Engineering
- IoT and Edge/Fog Computing
- IoT-based Smart Home Systems
- Vehicle Routing Optimization Methods
- Caching and Content Delivery
- Advanced MIMO Systems Optimization
- Innovative Energy Harvesting Technologies
- Integrated Circuits and Semiconductor Failure Analysis
Vellore Institute of Technology University
2023-2024
National Institute Of Technology Silchar
2015-2022
With the advent of IoT, cloud/fog based healthcare systems have become a growing trend in modern systems. These comprise smart sensors, which on integration with medical devices, generate heterogeneous big data that can be used diagnosis various diseases. However , there is continuous flow large quantity such systems, due to it may face many difficulties. Among pre-requisites for proper functioning these lifetime vital factor. Keeping view aspects, use new hybrid whale-PSO algorithm (HWPSO)...
Evolutionary algorithms are simple and efficient techniques for optimization of VLSI circuits. In this work, Whale Optimization Algorithm (WOA) is used to design a two stage CMOS operational amplifier (OpAmp)with optimum area so as achieve minimum offset voltage also meet different specifications such Slew Rate, Gain etc. the amplifier. For maintaining current imbalance at output OpAmp, minimization an important requirement. Algorithmic results were further validated by redesigning OpAmp in...
A Low Power, Noise Neural Amplifier is designed in this paper. Folded Cascode Operational Transconductance (OTA) with self-biased cascode current mirror load used. Current Scaling and other low noise design techniques are employed to achieve the input referred power dissipation. The amplifiers bandwidth can be adjusted record either local field potentials or neural spikes by controlling bias current. Simulations were performed Cadence Virtuoso using SCL 180nm technology parameters....
In the VLSI Physical Design Stage, Floorplanning is an essential step, as it effective means to manage circuit design complexity, which increasing with advancement in technology. involves determining locations, shape, size of modules a chip and such estimates area, delay wiring congestion, thereby providing ground work for layout. Computationally, NP hard problem. So many researchers from time have suggested various heuristics metaheuristic approaches solving Floorplan Problem. The...
A Low Voltage, Power, Noise and High Gain Two Stage OpAmp configuration utilizing self-cascoding transistors has been proposed. Self cascoding helps in decrease of Channel Length Modulation Effect aides accomplishing high output impedance voltage swing, thereby improving the gain. The frequency response proposed design makes it conceivable to be utilized as a part Frequency Applications. For enhancing Phase Margin design, zero nulling active resistor implemented Transmission Gates for...
For enhancing the performance of any analog circuit, a good current mirror must be designed for copying from one active device to other. In this proposed work, we have come up with modified structure based on Flipped Voltage Follower Cell, which improves dynamic range without trading off other parameters. Simulations were performed in Cadence Spectre using UMC 180nm technology files and specifications compared reported high mirrors. Comparative analysis shows that has very as mirrors, while...
Implantable medical devices have revolutionized healthcare by providing continuous monitoring and therapeutic interventions within the human body. The overall performance of these is heavily dependent on effectiveness efficiency integrated electronic components, such as transistors. This survey explores growing utilization Tunnel Field-Effect Transistors (TFETs) in implantable devices, shedding light their advantages challenges this specific application domain. TFETs, characterized unique...
In emulating biological behavior of vertebrates, neuromorphic integrated chips are being widely employed. CMOS Winner-Takes-All (WTA) circuit is one the key component chips. The modelling WTA has been carried out and few modern Evolutionary Optimization algorithms have also employed to optimize parameters in order improve slew rate. Simulations for optimization were performed using MATLAB. results found compared with each other. Based on optimized results, designed Cadence Virtuoso simulated...