Projects

Welcome to my projects page, a curated showcase of both my professional and personal endeavors in the realm of semiconductor design and beyond. Delve into a diverse array of initiatives, from groundbreaking contributions to industry giants to passion-driven personal projects that push the boundaries of innovation. Each project represents a unique journey of creativity, collaboration, and continuous learning, reflecting my dedication to excellence in every endeavor.

Explore the intersection of technology and imagination as we navigate through these transformative experiences together...

PROFESSIONAL PROJECTS

Qualcomm India Private Ltd.

Converged a block from synthesized netlist to GDS in Snapdragon 855 with the following specifications:
- Std. cell count in netlist: 1.58 million with 155 memory macros
- Block specifications: 731,071.786 um^2 -- 13 metal layer stack -- 1 switchable / 2 always-on voltage domains
- Pre-place/post-route/timing closure cell utilization: 69%/78%/81%
- Maximum frequency/PVT corners for closure: 800 MHz/168 corners
Handled flat timing, formal verification, low-power validation of a block in X50 modem with the following specifications:
- Std. cell count in netlist: 6.19 million with 190 memory macros
- Block specifications: 1,430,071 um^2 -- 13 metal layer stack -- 1 always-on voltage domain – 5 hierarchical sub-blocks
- Pre-place/post-route/timing closure cell utilization: 45%/47%/61%
- Maximum frequency/PVT corners for timing closure: 1.8 GHz/200 corners for 5 hierarchical sub- blocks

Intel Technologies India Private Ltd

Converged synthesis and placement of 6 blocks of Intel Xeon processor with the following specifications:
- Std. cell count in netlist: 6 partitions of 80k -200k / partitions with 4 clock macros
- Block dimensions: 260,000 – 350,000 um^2 -- 10 metal layer stack -- 1 switchable / 1 always-on voltage domain
- Pre-place/post-route/timing closure utilization: 40%/50%/54%
- Maximum frequency/PVT corners for closure: 1.6 GHz / 6 corners

OTHER PROJECTS

Characterization of TFT sensors for chemical sensing application

Objective-
The project aimed to develop a thin-film transistor (TFT)-based sensor for use in chemical applications relevant to healthcare and mineral exploration. The primary goal was to identify and utilize an organic material with optimal sensing properties.

Process Developed-
The methodology included:

Material Selection: Conducting thorough simulations and reviewing literature to identify an organic material that demonstrated superior sensing capabilities.
Fabrication: Constructing a transistor using the chosen material.
Analysis: Examining the morphological structure of the transistor.
Characterization: Assessing key parameters such as conductivity and sensitivity to specific ions and pH levels that are crucial for effective sensing.

Result:
After extensive research and testing, a suitable organic material was successfully incorporated into a TFT. The fabricated sensor demonstrated enhanced sensitivity and selectivity towards certain ions and pH levels. Conclusions drawn from the project’s findings confirmed the efficacy of the material and design in improving sensor performance for targeted chemical applications.

Skills Used:

Research and Simulation Skills | Material Science understanding | Fabrication Techniques | Result Analysis Skills | Problem Solving skills

Voice Assisted Navigation system for the blind

Objective:
The project aimed to develop a Voice Assisted Navigation System to assist blind users in navigation by providing real-time feedback about obstacles and ground gradients within their vicinity.

Process Developed:

Electronic Scheme Design: Formulating a comprehensive electronic scheme to integrate sensors, distance measurement modules, and audio output components.
Obstacle Sensing: Implementing sensors capable of detecting obstacles within a range of 1.8 meters.
Distance Measurement: Incorporating modules to accurately measure the distance to detected obstacles.
Gradient Detection: Developing algorithms to assess the type of gradient (e.g., flat surface, incline, decline) encountered by the user.
Audio Feedback System: Designing an audio message delivery mechanism to inform the user about obstacle distance and ground gradient.

Solution/Result:
The prototype successfully detected obstacles within a 1.8-meter range and accurately measured the distance to each obstacle. Additionally, the system reliably identified ground gradients, providing the user with essential information about the terrain. Through audio messages, users were promptly informed about obstacle proximity and ground conditions, enhancing their navigation experience and safety.

Skills Used:

Single phase inverter using IGBTs

Objective:
The project aimed to design a single-phase inverter utilizing Insulated Gate Bipolar Transistors (IGBTs) as switches to achieve efficient and reliable inverter operations.

Process Developed:

IGBT Integration: Incorporating IGBTs as the primary switching devices for the inverter circuit.
Switching Control: Implementing multi-vibrators to generate trigger pulses at predetermined frequencies, ensuring optimal switching speeds and minimizing on-state losses.
Frequency Design: Designing the frequency at which trigger pulses are sent to the IGBTs to address issues related to on-state losses and operational speed.
Prototype Testing: Rigorously testing the functionality and performance of the prototype to ensure its suitability for high-power applications.

Solution/Result:
The developed single-phase inverter successfully utilized IGBTs as switches, achieving efficient and reliable operation. Through the implementation of multi-vibrators and carefully designed trigger pulse frequencies, the prototype effectively minimized on-state losses and optimized operational speed. Extensive testing confirmed the prototype's capability to handle high-power applications, demonstrating its readiness for practical deployment.

Skills Used:

Power Electronics Design | Control System Design | Frequency Control | Testing and Validation