High Frequency Power Amplifier Specialist

2 weeks ago

Singapore beBeerf Full time $120,000 - $150,000

Job Title: RF Amplifier Engineer

Overview

We are seeking a highly skilled RF Amplifier Engineer to join our team. As an RF Amplifier Engineer, you will be responsible for designing and developing novel RF products using patented techniques.

The ideal candidate will have experience in designing, simulating, validating, and optimizing power amplifier circuits operating between 0.2 and 7 GHz, with output power up to 50W.

Main Responsibilities
  • Design and Development: Lead PA module development including topology selection, schematic capture, and PCB layout. Design for efficiency, gain, and linearity across a broad frequency spectrum.
  • Simulation and Validation: Use simulation tools such as ADS, AWR, and optionally HFSS or CST for circuit and electromagnetic analysis. Perform load-pull measurements, S-parameter analysis, and linearity testing. Validate designs in the lab using VNAs, spectrum analyzers, signal generators, and power meters.
  • Collaboration: Work closely with PCB layout engineers to ensure best practices in high-frequency design. Coordinate with system architects and digital/RF engineers to meet product specifications. Support product engineering with documentation, design reviews, and lessons learned.
Requirements
  • Degree in Electrical Engineering, RF Engineering, or a related field.
  • 5+ years in RF PA circuit design and validation.
  • Hands-on experience with RF power amplifier development, including load-pull, impedance matching, and performance tuning.
  • Proficient in RF simulation tools (ADS, AWR) and experienced with EM solvers (HFSS or CST a plus).
  • Skilled in testing with lab instruments such as VNAs, spectrum analyzers, and RF signal generators.
  • Proven ability to work with layout, digital, and product engineering teams.
  • Committed to robust documentation and iterative improvement.
Benefits
  • Competitive salary and benefits package.
  • Opportunities for career growth and professional development.
  • Collaborative and dynamic work environment.

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