Design, schematic, layout and produce VCSEL testing COB, short pulse driver board (5ns i-TOF and d-TOF )Transform 50G/100G high speed driver board from vendor reference into our lab EVBDesign and set up VCSEL test environment and test VCSEL and PD characteristics (changing temperature LIV, far field, near field, spectrum, beam wait etc.)Design and set up VCSEL reliability test equipment driver board at CW, QCW and short pulse condition.Design VCSEL (Vertical-Cavity Surface-Emitting Laser) diffuser module.VCSEL and PD module, COB assembly

Experience in Media Tek, Spreadtrum and M-Star platform android smart phone electrical designExperience in Schematic capture and HDI PCB layout overview (Mentor EN2004 and Pads 9.5)Experience in cell phone peripheral circuits design and components evaluation (Flash LED, Proximity and ambient light sensor, Motion sensor, Gyro sensor, Keypads, touch panel, audio driver) Experience in wireless device Power Management, DC-DC converter, Battery Charging, LDO, Fuel GaugeExperience in high-speed circuits design (Camera, USB, I2C, I2S, SPI, Memory, LCM, MIPI)Experience in prototype bring-up and debug (ESD, low power, low noise)New components verification, evaluation and PCBA cost optimizingManufacturing support (BOM management, SMT support)Quickly respond and resolve customer’s issues on field or by phone and e-mail

Experience in Media Tek feature phone hardware designExperience in Schematic capture and placement (Pads 9.5)Experience in cell phone peripheral circuits design and components selection. (Flash LED, Keypads, touch panel ) Experience in Power Management for mobile wireless, DC-DC converter, Battery Charger, LDO.High speed circuits design (Camera, USB, I2C, I2S, SPI, Memory, LCM)Analog circuits design (Audio system, PMU, Charger circuits)Hands-on experience in prototype bring-up and debug (ESD, low power, low noise)Manufacturing support (BOM management, SMT support)

Experience in Qualcomm and NXP 3G feature phone hardware designExperience in Voip and SIP cell phone design. Experience in Schematic capture and placement (Mentor EN2000). Hands-on experience in prototype bring-up and debugging (ESD, low power, low noise). Manufacturing support (BOM management, SMT support).Experience in prototyping circuits and products in the lab.Experience in using lab equipment like digital meter, oscilloscope, high speed digital test equipment, logic analyzer, SMU and function generator