Power Amplifier Designer
Job Summary
We are looking for an experienced Power Amplifier Designer to support the development of high-performance RF power amplifier solutions for advanced wireless products. This role will focus on the design simulation optimization and validation of board-level PA circuitry with an emphasis on efficiency linearity output power and overall RF performance. The ideal candidate has strong hands-on experience with RF power amplifier design simulation component selection and lab validation and is comfortable working closely with hardware systems test and integration teams throughout the development lifecycle.
- Design and develop high-power RF amplifier solutions including Doherty power amplifier architectures and related RF circuitry.
- Perform schematic-level design simulation and optimization of PA circuits to meet output power efficiency linearity gain and spectral performance requirements.
- Select evaluate and characterize RF components transistors matching networks bias networks and supporting circuitry.
- Support PCB layout activities and review RF layout grounding impedance control and thermal considerations that impact amplifier performance.
- Perform hands-on lab testing tuning characterization and debugging using RF test equipment.
- Analyze amplifier performance and troubleshoot issues related to efficiency distortion stability thermal behaviour or system integration.
- Collaborate with RF hardware systems software and verification teams to support product integration and performance optimization.
- Prepare design documentation test results technical reports and participate in design reviews throughout the development cycle.
- Support continuous improvement activities and provide technical guidance to more junior team members when required.
- Masters or PHD in Electrical Engineering Electronics RF/Microwave Engineering or a related technical discipline.
- 5 years of experience in power amplifier design for wireless or telecommunications products.
- Strong hands-on experience designing and optimizing RF power amplifiers preferably including Doherty architectures.
- Solid understanding of RF and microwave circuit design matching networks biasing stability linearity efficiency and thermal considerations.
- Experience with RF simulation and analysis tools such as ADS MATLAB or similar environments.
- Strong knowledge of RF lab equipment including spectrum analyzers network analyzers signal generators power meters and oscilloscopes.
- Experience with component selection characterization schematic capture and board-level RF design.
- Strong troubleshooting and analytical skills with the ability to work effectively in a multidisciplinary development environment.
- Experience developing RF hardware for 4G/5G base stations radio units or other high-power wireless infrastructure products.
- Familiarity with 3GPP radio performance requirements and wireless standards such as LTE and 5G NR.
- Experience with digital predistortion (DPD) envelope tracking or other PA efficiency and linearization techniques.
- Knowledge of GaN LDMOS or other RF power transistor technologies.
- Experience with load-pull analysis impedance matching or large-signal RF simulation.
- Experience supporting products through integration verification qualification and production release.
Required Experience:
IC
About Company
We are a leading engineering design house with more than 35 years of experience of working with R&D, NPI, production & aftermarket services.