Experience

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  Viettel high tech

  Mar 2017 - Sept 2019

  Hardware engineer

  Main responsibilities:- Design schematic and PCB of high-speed digital boards with FPGA- Simulating the board after the design of the criteria SI (Signal Integrity), PI(Power Integrity) to ensure the board operates properly according to the designcriteria- Organize seminar on heat-dissipation methods for how the boards are placedin water-sealed boxes- Bring-up testing indicators of boards after SMT- Support EMC testing and research EMC solutions applied to productsRecognition and Gains:- Multi-layer circuit design of up to 14 layers- Design high-speed digital circuit transmission lines up to 10Gbps on FR4material Show less

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  Blaze company

  Oct 2019 - Mar 2021

  Hardware team lead

  Main responsibilities: Hardware design team leader of 8TRX Board in RU 5Gproject- Leader hardware team: coworking with ME, software team to dedicate specification and outline…- Plan for layout dedicate layer for high speed, low speed and RF signal- Calculate power consumption provide input for power design, PI simulation and heat simulation- Designed Transceiver board use:+ FPGA: Xilinx RFSoC XCZU21DR+ Transceiver IC: ADRV9025 x 04+ SFP25 module 25Gbps x 02, Serdes 10Gbps x 16 Lines+ DDR4 32 bits+ Other interfaces: eMMC, SD-Card, Flash, RS232, RS485…- Full design:+ Design schematic and PCB (14 layers, FR4 and I-Speed Hybrid Material)+ Simulation SI, PI+ Manage BOM listRecognition and Gains:- The ability to manager group of hardware group- Layout and Simulation Transceiver, DDR4- Design clock synchronization multichip for JESD204B interface Show less

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  Viettel high tech

  Apr 2021 - Jun 2024

  Senior hardware engineer

  Main responsibilities:- Design schematic for ONT (Optical network terminal) and AP (Access point)project- Cost down BOM- Simulate S-Parameter for RF signal 2.4GHz and 5GHz Wi-Fi (R,L,C fi lter circuit)- Measure Wi-Fi follow IEEE 802.11 standard- Support produce mass product in factory (debug critical problem)- Research and development Wi-Fi 6 products- Review layout PCB- Coworking with ME team to solve heat issue- Manufacturing support 700K devices per year (debug issues in manufacturing, verify alternative parts…)- Supervise SMT and DIP process in manufacturingRecognition and Gains:- Know more about mass production process Show less

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  Selex motors

  Jun 2024 - now

  Senior hardware engineer