Develop Tx/Rx signal chain architecture including LNA, driver amplifiers, mixers, filters and matching networks.
Design RF frontend covering wideband frequencies up to multiGHz.
Develop clocking architecture (PLL, LO, lowphasenoise clocks) and deterministic latency using SYSREF. Define frequency planning, LO distribution,and clock synchronization across channels.
Perform RF link budget, gain distribution, and noise analysis.
Configure DDC/DUC channels for multi-channel radar processing.
Interface RF converters with FPGA using JESD204B/C high-speed serial links.
Support digital beamforming architecture with DSP and FPGA teams.
Develop system architectures for radar, electronic warfare and phasedarray systems.
Support PCB layout for RF and highspeed digital interfaces including signal integrity review.
Perform RF testing, characterization and debugging using laboratory test equipment.
Collaborate with FPGA, DSP and system engineering teams for complete RF system integration.RF Testing & Validation
Perform RF testing using a spectrum analyzer, signal generator, network analyzer, and high-speed oscilloscopes.
Perform RF validation, including Channel-to-channel phase error measurement, Channel gain variation analysis, Noise figure measurement, Spurious-free dynamic range (SFDR) validation, Linearity (IP3), Phase noise, and Intermodulation distortion (IMD) testing
Required Experience
RF system design for radar or electronic warfare systems
Familiarity with clock generation ICs and RF synthesizers ADI MxFE devices (AD9081 / AD9082 /AD9084)
Experience with GSPS ADC/DAC and direct RF sampling architectures.
Clock synchronization in multi-converter systems
RF front-end design experience up to DC–18 GHz.
Knowledge of JESD204B / JESD204C interfaces.
Experience in phased array radar or EW systems.
Experience integrating RF systems with FPGA platforms (Xilinx / Intel / Microsemi).
Understanding of RF matching networks, filters, and amplifiers.
Tools
ADS / Microwave Office / HFSS / CST
MATLAB or Python for signal analysis
Altium / Cadence PCB design understanding
RF lab instruments: Spectrum Analyzer, Network Analyzer, Signal Generator, Oscilloscope Qualification B.Tech / M.Tech in Electronics & Communication Engineering, RF & Microwave Engineering, or related field.
Experience
3–8 years experience in RF and Mixedsignal system design.
Timely completion of RF module design and validation milestones.
Successful demonstration of RF subsystem performance to customer.