The Senior RF Engineer will play a pivotal role in our III-V semiconductor foundry team, leading the development, characterization, and model verification of next-generation ultra high-power RF components. This role bridges the gap between semiconductor device physics and circuit design. The successful candidate will drive the design and evaluation of GaN-based Power Amplifiers (PAs) exceeding 500W, establishing rigorous small and large signal characterization methodologies to validate advanced compact models and support foundry process optimization.
Ultra High-Power GaN PA Design: Lead the design, simulation, and layout of ultra high-power RF amplifiers utilizing GaN (Gallium Nitride) technology for power levels exceeding 500W.
Simulation & Circuit Analysis: Utilize Keysight Advanced Design System (ADS) to perform advanced RF/microwave circuit simulations, electromagnetic (EM) co-simulation, and large-signal harmonic balance analysis.
Small & Large Signal Testing: Define, develop, and execute comprehensive RF characterization techniques (small-signal S-parameters and large-signal/pulsed parameters) for active high-power devices.
Model Verification & Physics Alignment: Validate and verify active and passive device compact models against laboratory data, ensuring simulation parameters accurately reflect the underlying semiconductor device physics.
High-Power Lab Operations: Set up, calibrate, and utilize advanced RF test equipment, including high-power Load Pull systems, Vector Network Analyzers (VNAs), and Spectrum Analyzers.
Foundry Integration & Process Feedback: Collaborate closely with the fab process engineering and integration teams to translate RF characterization data, trend analysis, and DOE (Design of Experiments) results into actionable process improvements for wide-bandgap (WBG) technologies.
Microwave PCB Design & Layout: Develop schematics and define/review high-frequency layouts, directly implementing strategies for high-power thermal management and RF routing.
Component Evaluation & Selection: Analyze and select critical RF peripheral components including Limiters, Circulators, Filters, Mixers, PLLs, and Low Noise Amplifiers (LNAs).
