ADS
Marna Sai Ratna Kishore
RF Design And Validation Engineer
Hyderabad
Summary
RF Design and Validation Engineer with 11+ years of experience in RF hardware and system design for Aerospace, Defense, and Telecom applications. Strong expertise in RF circuit design, schematic creation, simulation, modeling, prototyping, and comprehensive RF testing. Experienced in LNA, Mixer, Power Amplifier (PA), Filters, Couplers, Switches, PLL, and Power Management components including LDO and Switching Regulators. Skilled in RF PCB layout coordination, high-speed ADC/DAC systems, RADAR subsystem modules, and RF measurement techniques including Harmonics, IP3, Noise Figure, Phase Noise, Jitter, and Lock Time.
Overview
12
12
years of professional experience
Work History
Technical Lead – RF Design and Validation
VVDN Technologies
09.2022 - Current
- Understanding customer requirements and preparing detailed design documents aligned with requirement specifications.
- Selection of RF lineup components including LNA, Gain block, Power Amplifier, Filters, Couplers, Circulators and Switching Regulators.
- Schematic creation using OrCAD Capture for RF subsystems.
- RF circuit simulation and modeling using ADS and HFSS.
- Tuning and optimization of Power Amplifiers to achieve required gain, efficiency, harmonics, and IP3 performance.
- High-speed ADC and DAC integration and validation.
- RF PCB layout coordination and routing review to ensure signal integrity and controlled impedance.
- Development and execution of comprehensive RF test plans.
- Hands-on validation using Oscilloscope, Spectrum Analyzer, VNA, VXT, ORAN and Signal Generators.
- Measurement of Phase Noise, Jitter, Lock Time, Noise Figure, Harmonics, EVM, ACLR, CCDF and Intermodulation Products.
- Team leadership and end-to-end product cycle ownership from feasibility study to prototyping and validation.
Radio Frequency Engineer
Astra Microwave Products Ltd
06.2015 - 08.2022
- Design, testing, troubleshooting, and validation of RF and microwave modules for defense and RADAR subsystems.
- Worked on Transmitters, Receivers, TR Modules, LNAs, ALC Channel Amplifiers, Power Dividers, Filters, and IF Amplifiers.
- RF characterization and system-level verification.
- Link budget analysis and power dissipation calculations.
- Validation of RF parameters including Gain, Return Loss, Noise Figure, IP3, and Phase Noise.
- Experience in environmental chamber testing and qualification.
- Hands-on experience with Spectrum Analyzers, Network Analyzers, Signal Generators, and Power Meters.
Radio Frequency Engineer
Ananth Technologies
10.2014 - 06.2015
- QC inspection and RF validation of defence modules and components.
- Functional testing and troubleshooting of RF assemblies.
Education
Bachelor of Technology (B.Tech) - Electronics and Communication Engineering
Siddharth Institute of Engineering & Technology
Hyderabad, T.G.Diploma - Electronics and Communication Engineering
Sir C.V. Raman Polytechnic
Palakolle, A.PSkills
RF Design: RF hardware and system design, Transmitters, Receivers, TR Modules, RFFE for telecom radio units, and involved in smart phone designing
Components: PLL, LNA, Mixer, PA, Filter, Coupler, Switch, LDO, Switching Regulators, High-Speed ADC/DAC
Tools: ADS, AWR, ANSYS HFSS, OrCAD Capture
RF Measurement Techniques: Harmonics, IP3, Noise Figure, Phase Noise, Jitter, Lock Time, Gain, Return Loss, ACLR, CCDF, EVM
Lab Equipment: Oscilloscope, Spectrum Analyzer, Vector Network Analyzer (VNA), Signal Generator, Noise Figure Analyzer, Power Meter, VXT, and ORAN
Other: Link Budget Analysis, Power Consumption Dissipation Calculations, Environmental Chamber Testing, Requirement Analysis, Feasibility Study
Software
AWR
HFSS
OrCAD Capture
Timeline
Technical Lead – RF Design and Validation
VVDN Technologies
09.2022 - Current
Radio Frequency Engineer
Astra Microwave Products Ltd
06.2015 - 08.2022
Radio Frequency Engineer
Ananth Technologies
10.2014 - 06.2015
Diploma - Electronics and Communication Engineering
Sir C.V. Raman Polytechnic
Bachelor of Technology (B.Tech) - Electronics and Communication Engineering
Siddharth Institute of Engineering & Technology