Sukhdev Sajwan
Mysore,Karnataka
Summary
RF Engineer having experience of more than 11 years in Development, Conformance and Compliance Testing of Wireless Technology like Cellular and ISM band products.
Overview
14
14
years of professional experience
Work History
L&T Technology Services
Mysore
03.2022 - Current
- RF Module & Backhaul Radio Testing: Hands-on testing and validation of RF modules and 18 GHz, 23 GHz, 32 GHz backhaul radios per 3GPP, ETSI, and FCC standards.
- PCBA Bring-Up & Debugging: Expertise in testing, debugging, and validating PCBAs with system-level evaluation and TIS/TRP testing.
- Compliance & Certification: Conducted pre- and post-compliance testing supporting FCC, ETSI, and CE certifications.
- Wireless & RF Component Testing: End-to-end testing of LoRa, Wi-Fi, BLE, and RF components including LNA, PA (up to 40W), Duplexer, Mixer, Coupler, Circulator, etc.
- Antenna & Filter Optimization: Skilled in antenna matching, tuning, and testing, as well as filter design adjustments.
- Electronics & Circuit Design: Experience with FPGA, PLL, Op-Amps, DAC, ADC, jumpers, and cables; schematic & PCB design using Cadence and Allegro.
- Simulation & Automation: Proficient in Matlab modular-level simulation and Python automation of RF test cases.
- Field Reliability: Root-cause analysis and implementation of improvements for field failure issues.
Frog Cell sat Limited
Noida
10.2019 - 02.2022
- Testing and validation of front end RRH transmitter chain Tunning, testing and validation according to 3GPP parameters. Parameters such as Gain, Power, ACLR, Linearity, Efficiency IMD, EVM, Stability, P1dB, frequency response etc.
Frog Cell sat Limited
Dehradun
03.2012 - 09.2019
- Successful testing and development of RF Repeaters with different technology (2G, 3G, LTE, LTE-TDD). Repeaters are used to enhance the network coverage by extending the Radio Frequency (RF) coverage to areas, which either lack signal, or the required signal strength for adequate mobile phone performance.
- Testing and Validation of RF Repeaters in different technologies. Testing of LNA, RF filters, Noise Figure in RF circuits. Various hardware testing of FPGA in RF circuits. High power amplifiers testing in different technologies. Field trials and validation of Repeaters in different technology.
Education
B. Tech. - Electronics & Communication Engg.
Uttaranchal Institute of Technology
Dehradun01-2011
Diploma - Electronics Engineering
Government Polytechnic
Dehradun01-2008
Intermediate - Dehradun
DRONA’S INTERNATIONAL
Dehradun01-2005
High School - Dehradun
K.V. UPPER CAMP
Dehradun01-2003
Skills
Skills
RF Testing & Validation:
- RF blocks, LNA circuits, Power Amplifiers (GaN, LDMOS, Doherty), RRH, ROU, DAS, Tri/Quad Band Repeaters, Line Repeaters, Frequency Shift Repeaters
- Conformance and compliance testing, system-level and modular-level validation
Test & Measurement Equipment:
- RF Signal Generators, Spectrum Analyzer, Network Analyzer, PIM Tester, CMW500, FieldFox handheld analyzer, CRO, Power Meters
Wireless Technologies & Networks:
- LTE, LTE-TDD, 5G NR, Backhaul Point-to-Point Radios, High Power RF Repeaters
Automation & Simulation:
- MATLAB modular-level simulation, Python automation for RF test cases
Design & Hardware Expertise:
- RRH/ROU/DAS product design, RF component testing, filter tuning, antenna matching, system troubleshooting
Project Accomplishments
Professional Experience
Backhaul Point-to-Point Radio – Project Lead | 09/2024 – Present
- Conducting system-level testing and validation of all Tx-Rx parameters.
- Performing modular-level simulations and defining electrical parameters for filters using MATLAB.
- Developing Python automation scripts for various test cases and use cases.
- Creating field issue scenarios in the lab for debugging and root-cause analysis.
Display Board (Crane Work) – Senior Engineer | 03/2022 – 09/2023
- Tested and validated display units per FCC and ETSI standards.
- Verified Gain, PSD, OBW, RSSI, CCA, Sensitivity, Blocking, and other RF parameters.
5G NR Band n40 – Senior Engineer | 03/2021 – 01/2022
- Conducted testing and validation of RRH transmitter chains as per 3GPP standards.
- Key parameters: Gain, Power, ACLR, Linearity, Efficiency, IMD, EVM, Stability, P1dB, Frequency Response.
LTE Band (40-41) – Team Lead | 10/2019 – 02/2021
- Led RRH transmitter chain testing and tuning, ensuring compliance with 3GPP standards.
- Focused on Gain, Power, ACLR, Linearity, Efficiency, IMD, EVM, Stability, P1dB, Frequency Response.
O-DAS (Optical Distributed Antenna System) – Team Lead
- Product design, hardware verification, and testing of analog and digital units.
FSR (Frequency Shift Repeaters) – Team Lead
- Managed design, testing, and validation of analog and digital repeater units.
20W Power Amplifier for LTE-TDD & NR 5G – Senior Engineer
- Conducted validation and testing for LTE-TDD and 5G NR applications.
RF Repeaters | 03/2012 – 05/2019
- Developed and tested RF repeaters for 2G, 3G, LTE, LTE-TDD, extending network coverage to weak-signal areas.
Passive Products Testing & Validation | 03/2012 – 2015
- Tested and validated duplexers, triplexers, antennas, jumpers, splitters, and combiners across multiple RF technologies.
Timeline
L&T Technology Services
03.2022 - Current
Frog Cell sat Limited
10.2019 - 02.2022
Frog Cell sat Limited
03.2012 - 09.2019
B. Tech. - Electronics & Communication Engg.
Uttaranchal Institute of Technology
Diploma - Electronics Engineering
Government Polytechnic
Intermediate - Dehradun
DRONA’S INTERNATIONAL
High School - Dehradun
K.V. UPPER CAMP