Visual Basics
Rohit Balaram Ajay S
Test Engineering
Zhubei
Summary
- Possess extensive industrial experience in RF/mixed-signal module-level and ASIC validation/characterization, both on the bench and ATE platforms. Worked on various RF wireless transceiver SoCs, transmitters, and receivers for mobile, defense, and space applications.
- Skilled in debugging test programs for digital, mixed-signal, and RF signals on the V93000 tester platform, utilizing both Pin Scale and Port Scale cards.
- Expertise in developing and executing testing strategies for RF module-level validation, including LNAs, PAs, mixers, filters, and full functional validation of transceivers, receivers, and transmitters.
- Hands-on experience in testing and developing test programs for DACs and NB-IoT devices using the UFlex tester platform.
- Proficient in designing ATE load boards, including schematic preparation, component placement, and layout guideline development for UltraFlex and V93000 platforms.
- Strong background in RF circuit design, including LNAs, filters, power dividers, and similar components.
- Extensive experience in test development for transmitter and receiver blocks on ATE platforms.
- Skilled in measuring and troubleshooting RF parameters such as phase noise, P1dB, EVM, IIP3, and noise figure, on both bench and ATE platforms.
- Proficient in failure analysis and yield improvement to enhance product reliability and efficiency.
- Proven ability to lead teams and collaborate effectively in both team-based and independent work environments.
- Experience in interacting with product development teams to enhance test program quality.
- Adept at analyzing ATE test data to meet customer process capability requirements and ensure high standards of performance.
Overview
13
13
years of professional experience
2
2
Certifications
2
2
Languages
Work History
Senior Engineer
Qualcomm Semiconductors Limited
11.2021 - Current
- RF/Digital/Mixed signal wafer level, module level and ASIC validation/Characterization on ATE platforms (Ultraflex and V93K testers)
- Schematics and Loadboard/ProbeCard design and development
- Test time reduction, GRR, Production releases, etc..
- Yield Analysis and improvement
- Test Program handling using GIT and SVN with respect to the corresponding environment
- Improved project efficiency by streamlining engineering processes and implementing innovative solutions.
- Enhanced system reliability by conducting thorough root cause analyses and implementing corrective actions to prevent future issues.
Senior Lead Engineer
Tessolve Semiconductor Private
02.2018 - 10.2021
- RF/Digital/Mixed signal wafer level, module level and ASIC validation/Characterization on ATE platforms (Ultraflex and V93K testers)
- Schematics and Loadboard/ProbeCard design and development
- Test time reduction, Production TP releases, etc..
- Yield Analysis and improvement
- Test Program handling using GIT and SVN with respect to the corresponding environment
- Worked with multiple semiconductor companies like Silicon Labs, Qualcomm, Analog devices for providing test solutions
- Improved project efficiency by streamlining engineering processes and implementing innovative solutions.
- Enhanced system reliability by conducting thorough root cause analyses and implementing corrective actions to prevent future issues.
Senior Engineer
Astra Microwave Products Ltd
03.2012 - 01.2018
Extensive experience as an RF Engineer, specializing in testing and characterization of RF/microwave modules and system-level performance.
Proficient in utilizing bench instruments such as spectrum analyzers, network analyzers, signal generators, and power meters to conduct precise measurements and ensure compliance with design specifications.
Skilled in system-level troubleshooting, performance optimization, and delivering reliable results in both development and production environments.
Design and optimization of RF Modules for defense application
Education
Master of Science - Microelectronics
Birla Institute of Technology And Science
Pilani, India 04.2001 -
Bachelor of Science - Electrical, Electronics And Communications Engineering
Jawaharlal Nehru Technological University
Hyderabad, India 04.2001 -
Bachelor of Science - Electrical, Electronics And Communications Engineering
Jawaharlal Nehru Technological University
Hyderabad, India 04.2001 -
Skills
Team leadership
Software
Java
Certification
Ultraflex Instruments Training
Timeline
Ultraflex Instruments Training
06-2024
Advantest V93000 Dojo basic test programming training
01-2022
Senior Engineer
Qualcomm Semiconductors Limited
11.2021 - Current
Senior Lead Engineer
Tessolve Semiconductor Private
02.2018 - 10.2021
Senior Engineer
Astra Microwave Products Ltd
03.2012 - 01.2018
Master of Science - Microelectronics
Birla Institute of Technology And Science
04.2001 -
Bachelor of Science - Electrical, Electronics And Communications Engineering
Jawaharlal Nehru Technological University
04.2001 -
Bachelor of Science - Electrical, Electronics And Communications Engineering
Jawaharlal Nehru Technological University
04.2001 -
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