Che-Chi Wan

Experience

• 

  華碩電腦股份有限公司

  Sept 2017 - Jul 2021

  Senior Antenna Engineer

  Advanced EM Technical Div. - Antenna Design Dept.NB antenna design• Mobile device antenna design with system placement consideration‣ Focus on high-class NB product (UX/B/GL series)‣ Develop 4G,5G, Sub 6GHz, WI-FI antenna in narrow bezel laptop, C/D part ‣ Develop 4G, 5G, Sub 6GHz, WI-FI antenna with P sensor, tunable and switch circuit ASUS RangeBoost Wi-Fi Technology (Smart Antenna System)• System placement and layout implementation for good OTA performance• Familiar with OTA/SAR/TRP/TIS test• Develop IoT product – Smart Speaker (AI800M pro) • 5 granted / on-going patents (in U.S. & Taiwan)• 5 journal/conference papers published• Noise debug & issue analysis to meet the performance requirement• Factory assembly consideration & function validation• mmWave antenna design research and study Show less

• 

  美商高通國際股份有限公司

  Aug 2021 - now

  • Assisting design team in optimizing test performance for RF transceivers for different cellular standards post silicon (NR-5G) and with optimizing MDM-->Transceiver settings; digital block (2G-5G).• Evaluate product performance by analyzing ATE, bench, probe and characterization data. Generating production and characterization test specifications.• Measure Transmitter parameters, VNA Calibration with Trace loss compensation and bring up of Tx Calibrations. • Create and manages product documentation, drives cost reduction activities such enhancing yield and test time reduction.• Evaluate product performance to specs and analyze large sets of data statically using and MS Excel. • Hands on Experience on LABVIEW for Error Debug and Vi correction.• RF measurements, analyzing results, partnering with design engineers to debug issues and statistically process large volumes of data for RF ICs.• Measuring RF parameters on electrical equipment’s and perform bench to bench and bench to ATE data correlation• Measure Transmitter parameters and work with Lab equipment such as Spectrum analyzer, Network analyzer, Temperature control unit. Show less

  • Senior RF Product and Test Engineer

    Nov 2024 - now

  • RF Product and Test Engineer

    Aug 2021 - Nov 2024