Senior/Principal RF Power Supply Engineer

Key Responsibilities:

  1. Debugging, testing, and verification of RF power supplies and high-voltage power supplies.
  2. Testing and evaluation of high-frequency high-voltage switching transistors.
  3. Design and verification of parasitic parameters, voltage equalization, dynamic uniformity, and static voltage equalization for multi-channel series connections.
  4. Design and verification of key components such as high-frequency transformers and high-frequency high-voltage high-power inductors.
  5. Modeling of power device and sequential link.

Required Qualifications:

  1. Electrical/Power Electronics/Automation related majors.
  2. Proficient in electrical design and simulation tools, such as Altium Designer, Cadence, Eplan, Matlab, PSpice, etc.
  3. Other requirements:
  • Solid theoretical knowledge of power electronics.
  • Experience in high-voltage power supply development, familiar with signal processing, RF power supplies, DC power supplies, and control loop hardware processing.
  • Knowledge on full-bridge and half-bridge topologies, with hands-on experience in carrier phase-shifting technology.
  • Familiar with MOSFET and IGBT driving and protection; able to design high-frequency circuit breakers and inductors.
  • Solid knowledge on power electronics and PID theory; able to model, simulate, and test control loops.
  • Experience in semiconductor RF power supplies, high-voltage square wave power supplies, high-voltage generators, and high-voltage power supplies is a plus.