“Priya and I crossed paths during a time in her career when she was seeking a new position. Priya's communication and trust in me is what made the process so straight forward and enjoyable. It was a pleasure to work with Priya to understand more about what she was looking for and work together in finding her new position as an Electronics Design Engineer at Lumai. Priya's personality, professionalism and exceptional skillset will make her an invaluable asset to Lumai and I'm looking forward to hearing how she progresses in her career.”
About
At present, I am working as Senior IC Design Engineer at KETS Quantum Security Ltd…
Activity
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"Once the current hype subsides, AI’s broad technical application will mean a big focus on costs—specifically the cost of inference, which could make…
"Once the current hype subsides, AI’s broad technical application will mean a big focus on costs—specifically the cost of inference, which could make…
Liked by Priya Gupta
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I remember playing with classical FSO (free-space optic) systems during my PhD, but they just weren’t ready for prime time yet. With Attochron’s new…
I remember playing with classical FSO (free-space optic) systems during my PhD, but they just weren’t ready for prime time yet. With Attochron’s new…
Liked by Priya Gupta
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It was great to chat with Sally Ward-Foxton and discuss how Lumai is lowering the cost of AI inference in data centres.
It was great to chat with Sally Ward-Foxton and discuss how Lumai is lowering the cost of AI inference in data centres.
Liked by Priya Gupta
Experience
Education
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Birla Institute of Technology and Science, Pilani
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Title of thesis: Architectural Exploration and Implementation of Low Power Arithmetic Circuits and SRAM Cells Using Sub-Threshold Design Technique.
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Publications
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Leakage Immune Modified Cross Coupled Inverter Based MI-12T SRAM in Sub-Threshold Regime
IEEE International Conference on Computing, Electronics & Communications Engineering (iCCECE), 2019, London, United Kingdom
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Novel low-power and stable SRAM cells for sub-threshold operation at 45 nm
International Journal of Electronics (TETN), Taylor & Francis
In scaled technologies with lower supply voltage, conventional Static Random Access Memory (SRAM) cell suffers from unsuccessful read & write operation due to high off state current in sub-threshold region at nanometre technologies. This work proposes new functional low-power designs of SRAM cells with 7, 8, 9 and 12 transistors which operate at only 0.4V power supply in sub-threshold operation at 45 nm technology. Stability analysis is carried out using static noise margins as well as N-curve…
In scaled technologies with lower supply voltage, conventional Static Random Access Memory (SRAM) cell suffers from unsuccessful read & write operation due to high off state current in sub-threshold region at nanometre technologies. This work proposes new functional low-power designs of SRAM cells with 7, 8, 9 and 12 transistors which operate at only 0.4V power supply in sub-threshold operation at 45 nm technology. Stability analysis is carried out using static noise margins as well as N-curve cell stability metrics. For performance measurement, read/write access time and leakage power consumption in hold mode are analysed. The comparison with published designs shows that two new proposed designs namely M8T, MPT8T have 30% less leakage power consumption along with 2× read stability, 2× write ability, more than 60% faster read & write operation.
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Novel low-power and stable SRAM cells for sub-threshold operation at 45 nm
International Journal of Electronics, taylor and francis journals
In scaled technologies with lower supply voltage, conventional Static Random Access Memory (SRAM) cell suffers from unsuccessful read & write operation due to high off state current in sub-threshold region at nanometre technologies. This work proposes new functional low-power designs of SRAM cells with 7, 8, 9 and 12 transistors which operate at only 0.4V power supply in sub-threshold operation at 45 nm technology. Stability analysis is carried out using static noise margins as well as N-curve…
In scaled technologies with lower supply voltage, conventional Static Random Access Memory (SRAM) cell suffers from unsuccessful read & write operation due to high off state current in sub-threshold region at nanometre technologies. This work proposes new functional low-power designs of SRAM cells with 7, 8, 9 and 12 transistors which operate at only 0.4V power supply in sub-threshold operation at 45 nm technology. Stability analysis is carried out using static noise margins as well as N-curve cell stability metrics. For performance measurement, read/write access time and leakage power consumption in hold mode are analysed. The comparison with published designs shows that two new proposed designs namely M8T, MPT8T have 30% less leakage power consumption along with 2× read stability, 2× write ability, more than 60% faster read & write operation.
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Effectiveness of body bias & hybrid logic: An energy efficient approach to design adders in sub-threshold regime
Int. J. of Circuits and Architecture Design -Inderscience Publishers
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Leakage Immune 9T-SRAM Cell in Sub-threshold Region
National Conference on Advances in Microelectronics, Instrumentation and Communication (MICOM), BITS Pilani
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Ultra Low Power MUX Based Compressors for Wallace and Dadda Multipliers in Sub-Threshold Regime
American Journal of Engineering and Applied Sciences
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Design and ASIC Implementation of Column Compression Wallace/Dadda Multiplier in Sub-threshold Regime
Advanced Research on Hybrid Intelligent Techniques and Applications” ACIR Book Series published by IGI Global
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Design and ASIC Implementation of Column Compression Wallace/Dadda Multiplier in Sub-Threshold Regime
IEEE Conference
The proposed Wallace/Dadda multipliers using Han-Carlson adder (HCA) outperform its counterparts exhibiting low power consumption and lesser propagation delay as compared to Wallace/Dadda multipliers using RCA operated in the sub-threshold region.
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Design and ASIC Implementation of column compression Wallace/Dadda Multiplier in Sub-threshold regime
Proceedings of the 9th INDIACom; 2nd International Conference on “Computing for Sustainable Global Development,Bharati Vidyapeeth’s Institute of Computer Applications and Management (BVICAM), New Delhi (INDIA)
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Power-Aware Design of Logarithmic Prefix Adders in Sub-Threshold Regime: A Comparative Analysis
Elsevier’s Procedia Computer Science
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Design and Implementation of n-bit Sub-threshold Kogge Stone Adder with improved Power Delay Product
European Journal of Scientific Research
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Analysis & Implementation of Ultra Low-Power 4-bit CLA in sub threshold regime
IEEE International Conference on Circuit, Power and Computing Technologies” (ICCPCT)
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“Design and Implementation of low power TG Full Adder design in subthreshold regime
IEEE International Conference on Intelligent Interactive Systems and Assistive Technologies
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A Review on Ultra Low Power Design Technique: Sub-threshold Logic
International Journal of Computer Science and Technology-IJCST,Vol.4, Issue Spl-2, 2013
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Interfacing 16 Bit Flash Memory LHF00L28 IC to FPGA Based Signal Processing Card
International Journal of VLSI and Embedded Systems-IJVES, December 2012
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Designing CNTFET and Force Stacking CNTFET Inverter for the Analysis of Average Power and PDP at Different Low Supply Voltage
International Journal of Engineering Research and Applications, Vol. 3, Issue 4
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PCB layout design and interfacing of 16-Bit 1-MSPS CMOS ADC to FPGA based Signal Processing Card”
World Applied Sciences Journals 16 (Special Issue on Recent Trends in VLSI Design,
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Design and Implementation of FPGA based signal processing card
International Journal of VLSI design & Communication Systems (VLSICS) Vol 2 (2011):
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Interfacing 16-bit 1-MSPS CMOS ADC to FPGA based signal processing card
In Information and Communication Technologies (WICT), 2011 World Congress on, IEEE
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Implementation of high speed energy efficient 4-bit binary CLA based incrementer/decrementer
International Conference on Advanced Electronic Systems (ICAES),
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Leakage Immune Modified Pass Transistor based 8T-SRAM Cell in Sub-threshold Region
International Journal of Reconfigurable Computing, Hidawi
Courses
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Advanced Analog & Mixed Signal Design
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Advanced VLSI Design
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Analog and Digital VLSI Design (ADVD)
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Artificial Neural Network
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CAD for IC Design
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Digital System Design
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Electronics Devices and Circuits
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Electronics Switching
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IC Fabrication & Technology
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Microprocessor and I/O interfacing
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Optical Fiber Communication
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Satellite Communication
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Semiconductor Device modelling
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VLSI Architecture
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VLSI Digital Design
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VLSI Test & Testability
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Projects
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Design and Analysis of Leakage Immune Modified Pass Transistor based 8T-SRAM Cell in Sub-threshold Region
The project presents a novel 8T SRAM cell with access pass gates replaced with modified PMOS pass transistor logic. In comparison to 6T SRAM cell, the proposed cell achieves 3.5x higher read SNM and 2.4x higher write SNM with 16.6% improved SINM (static current noise margin) distribution at the expense of 7x lower WTI (write trip current) at 0.4V power supply voltage, while maintaining similar stability in hold mode. The proposed 8T SRAM cell shows improvements in terms of 7.735x narrower…
The project presents a novel 8T SRAM cell with access pass gates replaced with modified PMOS pass transistor logic. In comparison to 6T SRAM cell, the proposed cell achieves 3.5x higher read SNM and 2.4x higher write SNM with 16.6% improved SINM (static current noise margin) distribution at the expense of 7x lower WTI (write trip current) at 0.4V power supply voltage, while maintaining similar stability in hold mode. The proposed 8T SRAM cell shows improvements in terms of 7.735x narrower spread in average standby power, 2.61x less in
average 𝑇WA (write access time), and 1.07x less in average 𝑇RA (read access time) at supply voltage varying from 0.3V to 0.5V as compared to 6T SRAM equivalent at 45 nm technology node. Thus, comparative analysis shows that the proposed design has a significant improvement, thereby achieving high cell stability at 45nm technology node. -
Power-Aware Design of Logarithmic Prefix Adders in Sub-Threshold Regime: A Comparative Analysis
This project involves the design and comparative analysis of Han-Carlson and Kogge-Stone adders in sub-threshold regime using three different hybrid logic families. The performance metrics considered for the analysis of the adders are: power, delay and PDP. Simulation studies are carried out for 8, 16, 32 and 64 bit input data width. The proposed circuits show an energy efficient agreement with Spectre simulations using BSIM3v3 and BSIM4 models for 90nm CMOS technology at 0.4V supply voltage…
This project involves the design and comparative analysis of Han-Carlson and Kogge-Stone adders in sub-threshold regime using three different hybrid logic families. The performance metrics considered for the analysis of the adders are: power, delay and PDP. Simulation studies are carried out for 8, 16, 32 and 64 bit input data width. The proposed circuits show an energy efficient agreement with Spectre simulations using BSIM3v3 and BSIM4 models for 90nm CMOS technology at 0.4V supply voltage. The adder implementation outperforms its counterparts exhibiting low power consumption and lesser propagation delay as compared to conventional adders operated in the sub-threshold region.
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Design and Analysis of Ultra Low Power MUX Based Compressors for Wallace and Dadda Multipliers in Sub-Threshold Regime
The various analyses are established more on compressors circuits particularly with Multiplexer (MUX) design. Conventionally, compressors are anatomized into XOR gate and MUX design. In this study, fully MUX based compressors, utilizing the CMOS transmission gate logic have been proposed to optimize the overall Power-Delay-Product (PDP). The proposed compressors are also used in the design and comparative analysis of 4×4-bit and 8×8-bit Wallace and Dadda multipliers operating in sub-threshold…
The various analyses are established more on compressors circuits particularly with Multiplexer (MUX) design. Conventionally, compressors are anatomized into XOR gate and MUX design. In this study, fully MUX based compressors, utilizing the CMOS transmission gate logic have been proposed to optimize the overall Power-Delay-Product (PDP). The proposed compressors are also used in the design and comparative analysis of 4×4-bit and 8×8-bit Wallace and Dadda multipliers operating in sub-threshold regime. The multipliers based on the proposed compressor designs have been simulated using 45 nm CMOS technology at various supply voltages, ranging from 0.3 to 0.5 V. The result shows on an average 89% improvement in the PDP of the proposed compressor blocks, when compared with the existing published results in sub-threshold regime. The multipliers designed using the proposed compressor blocks also show improved results.
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Design & Analysis of Folded Cascode OTA
This project is about Design & Analysis of Folded Cascode OTA . The operational transconductance amplifier (OTA) is basically an op-amp without output buffer. An OTA without buffer can only drive loads. An OTA
can be defined as an amplifier where all nodes are low impedance except the input and the output nodes. The transconductance of the OTA is set by the transconductance of the input differential amplifier -
To design FPGA based signal processing Card
This project is based on the FPGA based signal processing. It provides high-performance computing e.g. matrix operations such as matrix multiplication, high-speed filtering, adaptive filtering, transforms such as the fast Fourier transform (FFT).
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“Analysis and implementation of energy efficient algorithm for wireless sensors
This project is about analysis and comparison of two different algorithms for
wireless sensor networks Here we analyze the best algorithm and implemented
it hardware after seeing the numerical results data rates and energy efficiency -
Dual mode fire tracking spy robot with ultrasonic obstacle detection (Major project).
It is a fire tracking robot, works in automatic as well as radio mode which can also sense objects
And avoid collision by changing its path using ultrasonic sensors, it has a small
wireless web cam which transmits live videos directly to the P.C. This project is
inspired from heat seeking missiles. -
Self Navigating Robot Using Virtual Eyes
It is a self navigating robot which can find its own way through the obstacles by sensing
them from a distance using infrared transmitter and receiver, and hence avoiding
Collision with them.
Honors & Awards
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MARIE SKŁODOWSKA-CURIE EUROPEAN FELLOWSHIP
European Commission, Horizon 2020 - Research and Innovation Framework Programme
Received Marie Sklodowska-Curie individual Fellowship grant by European Commission, employed with The University of Edinburgh and working on project “Ultra Low Power Digital Circuits for Wireless Medical Implants (UPDWMI)”.
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Best Paper Award
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Received "Best Paper Award" in National Conference on Advances in Microelectronics, Instrumentation and Communication (MICOM), BITS Pilani, 2015.
Languages
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English
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Hindi
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Our very own Francesco Raffaelli, Lead Integrated Photonics Engineer, was at the 2024 Quantum Industry Summit this week showcasing the latest field…
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My head is absolutely exploding. Between Nvidia's AI for quantum computing, Martinis dropping a roadmap for building a quantum supercomputer, and…
My head is absolutely exploding. Between Nvidia's AI for quantum computing, Martinis dropping a roadmap for building a quantum supercomputer, and…
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Great panel at the SC24 plenary session - we got a glimpse into the amazing things being achieved by the scientific community using AI and HPC – from…
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✨ HAPPY BIRTHDAY EUTDC ✨ 2nd November 2024 marks Sony Semicon (EU) EUTDC’s third anniversary. 🎉🎊✨ It’s already 3 years since we first opened the…
✨ HAPPY BIRTHDAY EUTDC ✨ 2nd November 2024 marks Sony Semicon (EU) EUTDC’s third anniversary. 🎉🎊✨ It’s already 3 years since we first opened the…
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My team had the privilege of visiting IIT Hyderabad recently for a pre-placement talk that showcased the intersection of innovation, opportunity, and…
My team had the privilege of visiting IIT Hyderabad recently for a pre-placement talk that showcased the intersection of innovation, opportunity, and…
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From taking home the best paper award at the Open Compute Project Foundation Global Summit in San Jose to celebrating one of our co-founders’…
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