TEST ENGINEER- RF

Job Description

• Work with test setup such as PNA-X, PXA, network analyzers, noise figure measurement, sophisticated system tools such ET/DPD, system alignment, transceiver optimization as well as antenna tuners to optimize the performance
• Collect and evaluate data to verify performance over temperature, Voltage and process corners
• Summarize and create performance reports
• Characterization Report includes all the parametric data from RFFE such as Rx path NF, noise circles, IP2/IM2, IP3/IM3, Gain modes, S-parameters of Rx path components, as well as Tx path PAE, Gain, ACLR, power sweep, Rx Band Noise, Spectrum Emission Mask, s-par, x-par, Load-pull, Out-of-band rejection, frequency sweep, etc.
• Bench HW & SW development for characterization test
• Develop Characterization Test Plans to report the performance of RFFE products in a highly automated RF test set-up
• Design and develop engineering evaluation test boards for RFFE products. Test board and RFFE module assembly (soldering)
• Select, implement, and maintain test equipment necessary for RFFE product characterization
• Work with RFFE Module and IC design team to maintain, optimize, and release chip setting for overall optimized product performances.

Job Requirements:

• Bachelor's degree in Electrical Engineering, RF Engineering, Wireless communication or related field.
• Preferred Qualifications
• Knowledge of RF measurements such as S-parameters, P1dB, IP2/IP3, ACPR, NF, phase noise, ACLR, POUT, EVM, Harmonics
• Knowledge of wireless communication protocol, such as GSM, WCDMA, LTE ,5G and GPS
• Knowledge of different type of RF systems
• Experience with LabVIEW programming, NI Test stand and NI equipment application
• Experience with lab instruments/tools application (Oscilloscope, Spectrum analyzer, IQview, DMM, Network Analyzer, Signal Generator, etc.)
• Experience with software programming, VBA, Python
• Experience with RF, Mixed-signal PCB design and RF tuning
• Knowledge of mixed-signal ADC, DAC, PMIC measurements such as INL, DNL, SNR, THD, SFDR, efficiency is preferred