PA (Power Amplifier) Design Engineer | On-site.

Xlysi • Dallas, TX

2d • Onsite

About The Position

The PA Design Engineer works on-site at the Dallas R&D Lab, designing, simulating, and testing RF power amplifiers for radio products, including Doherty PAs. The role supports PA design from concept through release and includes circuit design, simulation and load-pull analysis, prototype bring-up and measurement, verification, and performance tuning.

Requirements

• 5–8 years of experience.
• Hands-on experience in RF PA architecture and circuit design.
• Strong knowledge of RF matching, load-pull, and performance optimization.
• Experience simulating gain, efficiency, linearity, stability, and ruggedness.
• Good understanding of DPD interaction with the PA.
• Experience in schematic design, design reviews, and documentation.
• Skill in prototype bring-up, RF lab measurements, and troubleshooting.
• Experience with Mentor Graphics Xpedition schematic tools.
• Good communication and reporting skills.

Nice To Haves

• Experience with Doherty PA architecture.

Responsibilities

• Design RF power amplifiers, including Doherty PA architecture and matching networks.
• Run simulations and load-pull analysis to assess gain, output power, efficiency, linearity, stability, and ruggedness.
• Create PA schematics, select components, and prepare the PA bill of materials using Nokia part numbers.
• Lead PA design reviews and prepare design documents and release packages.
• Bring up PA prototypes, take RF measurements, and identify root causes of defects.
• Support design verification across temperature and supply-voltage conditions.
• Work with PCB layout and verification teams, and support PA/DPD performance tuning.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior