Test Engineer

19 hours ago

Singapore CHIPTEST ENGINEERING PRIVATE LIMITED Full time

**RF Test Engineer will be responsible for module and chip characterization, verification, correlation, failure analysis for RFFE products, and supporting failure analysis of RMA and DPPM rejects.**

**The responsibilities of this role include**:

- 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.

**Minimum Qualifications**:

- Bachelor's degree in Electrical Engineering, RF Engineering, Wireless communication or related field.
- 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 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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