Xiaotao Guo

Experience

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  INFRANT

  Jul 2004 - Jun 2008

  Electronic Engineer

  Worked in R&D department, • Worked as an electronic engineer for the first two years and became a team leader in the last two years in Shenzhen R&D department • Designed network attached storage server with other team members, Sparc embedded system, the hardware system normally included a main chipset, Gigabit Ethernet, USB, DDR Memory, ATX power, SATA hard disk, various slots (PCIE, debugging ports) • Responsible for hardware development, conducted all hardware design processes, which includes schematic design, high speed PCB layout, component selecting, Performed PCB layout, made footprint lib, placement, routing, and artwork generation. • Qualified component provider, PCB fab house and assembly plant • Debugged prototype board, brought up board, analyzed and solved various problems during development alpha phase. • Troubleshot EMC issues and gave out solutions to make sure the products pass EMC, UL, FCC certifications. • Acted as technical support for manufacture in order to solve problems in production, make QC tests SOP • Made EVT and DVT test plan for the products. Show less

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  Netgear

  Jul 2008 - Mar 2013

  Electronic Engineer

  Worked in storage server department • Worked in storage server department, Major contribute for server main board schematic design, PCB layout and EMC/ESD trouble shooting. • Developed experiment boards such as video transcoding boards, touch pad, buffer boards etc. • Oversaw the designs for ODM. Ensured the designs met the requirements, which included schematic review, PCB layout, impedance control, differential pairs, components placement, high speed signal traces, power and ground plan • Coded automatic test scripts and programs using Linux Bash and python • Made and implemented complete hardware test plan for new products, which included DVT, EVT, CRT. The test items include compatibility, thermal Humidity, memory, operational, power on/off cycle, NAND flash, function, TPG, power consumption etc. • Troubleshot EMC problems to get products pass CE certification, followed up CE, UL, and CB reports etc. Show less

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  Bose Corporation

  Apr 2013 - Oct 2019

  Senior Electronic Engineer

  Worked in home theater department• Developed sound bar, sound dock, earphone, wireless power amplifier as EE lead. which includes following skills applied, class D amplifier, fly back power supply, PFC, LLC power architecture, Wi-Fi/Bluetooth antenna, RF matching, kinds of DC-DC converter, Filters, battery, capacitive sensor, embedded system • EE resources management, EE cost control, schedule plan, performance product delivery, risk management • Critical circuit design, PCB layout guide, test verification plan, production test specification, problem solving, EMC, ESD troubleshooting • Interface with suppliers/contract design house to communicate the specification/design/plan to the supplier and ensure those work is being completed according to plan • Interface with other skill/ function responsibilities in executing the specific Electrical and Project Engineering elements of the development task, which includes interacting with Design Compliance Engineering/ Regulatory in USA and China, interacting with Quality, manufacturing staff and Purchasing prior to startup and ongoing, to ensure that the product will be manufactured as designed with a reliable process • Work with Framingham Electronic Product Design and cross-functional teams to help plan the project for China execution. Show less

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  Unilever

  Oct 2019 - Oct 2020

  Senior Electrical Engineer

  Worked in Blueair for air purifier • Working in air purifier division, in charge of whole NPI process to make sure deliver quality design and EE hardware IOT system to product. Review schematic and PCB layout. Trouble shooting EMC issue. The technology involves Motor, MCU, Ionizer, RFID, Wi-Fi module. • Coordinate with different function to implement development process and make sure electrical system delivery on schedule. • Also act as technical window between Shenzhen and Sweden RD team on EE, SW, digitality factory deployment. Show less

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  BrainCo Inc

  Nov 2020 - Jul 2023

  Senior Electrical Engineer

  • Developed EE system of EEG(electroencephalograph), EMG(electrocardiograph), EMG(electromyography), CES(Cranial electrotherapy stimulation), from architecture to the final products, which normally include AFE(Analog frontend), ADC, data processor, Bluetooth antenna matching, power/battery management, wireless charger DAC, voltage control output, constant current stimulation, gyro. • Architecture design, schematic developing, PCB layout review, test specification for develop phase and production phase. EMC, noise issue trouble shooting. • Coordinate with different function to make sure electrical system delivery on schedule and production line running smoothly. Show less