RF characterization engineer

RF characterization engineer

JOB RESPONSIBILITIES:

Do RF characterization for RF chip-set or RF part (PHY) of SOC

  • Implement auto measurement tool for the characterization along with various equipment
  • Extract and optimize all characteristics of the RF transceiver
    • TX: EVM, OIP3, Output power, Carrier leakage, SSB, Spectrum mask, RF gain table generation etc.
    • RX: EVM (SNR), IIP2, IIP3, NF, DC offset, IRR, RF&BB gain table generation etc.
    • PLL: PN, Kvco, Lock range etc.
  • Do it per channel per temperature
  • Do RF calibration for RF chip-set or RF part (PHY) of SOC
    • Implement power-on calibration functions which will be done at power up normally.
    • TX carrier leakage, TX SSB, RX DC, RX IMB, etc.

Support mass production test (ATE) setup for RF part of chip-set.

  • RF test item development support.
  • Yield and efficiency improvement

Implement factory calibration tool which will be done during mass production.

  • TX power calibration, RSSI calibration, XTAL calibration etc.

Support RF(System) board development

  • Review schematic and layout
  • Support Performance tuning

Support Modem function/performance verification

  • RX/TX performance measurement

DESIRABLE SKILLS:

  • Proficient in Related equipment: Spectrum Analyzer, Signal Generator, Oscilloscope,
    Non-signaling/Signaling tester, etc.
  • Proficient in related tools & language: VEE, Labview, c++, c#, Python, etc.


  • This field is for validation purposes and should be left unchanged.
  • This field is for validation purposes and should be left unchanged.