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

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