Radio HW Design Power Amplifier
Core
Designing power amplifiers (PA) for Ericsson future Radio Systems across research, pre-development, and product development phases.
Role type
Senior Hardware Design Engineer (Power Amplifier)
Builds
Radio transceivers and mobile infrastructure components
Domain
Telecommunications / RF Hardware
Required skills
Power Amplifier (PA) architecture and topology design, Transistor technology (LDMOS, GaN), Digital predistortion (DPD), RF measurement techniques, ADS/AWR simulation, 3GPP/LTE/NR standards knowledge, Hardware specification creation, Troubleshooting, Scripting
Preferred skills
Load-pull equipment familiarity, HFSS simulation, Japanese language proficiency
Technologies
ADS, AWR, LDMOS, GaN, 3GPP, LTE, NR
Responsibilities
Define PA concepts and architectures to meet power, bandwidth, efficiency, and linearity targets; Conduct simulations, schematic designs, testing, and performance analysis; Collaborate with TRX, digital design, and system engineers to integrate PA into TX chains; Work with SW/DPD and verification teams to deliver reliable radio products; Characterize prototypes and optimize designs using lab instrumentation; Mentor junior engineers
Seniority
Senior, hands-on IC