Electrical Engineer Design

Brett Lee

**** ********* *****, *****, ** *****

Tel: 469-***-****; Email:********@*****.***

SUMMARY:

Seeking an Electrical Engineer; Test Engineer or Automation Control Engineer position.

SKILL AREA:

Analog, Mix signal & digital (CPLD) interface module circuit design, simulation, debug/troubleshooting and reliability study.

Schematic capture, simulation and PCB layout (PAD’S/DxDesigner, OrCAD, Protel) in high speed, high density, SMT’s board and generated the documentation, etc.).

Embedded micro-controller hardware of Microchip; TI, Intel 8051, Atmel and Rabbit microprocessor. The software (C/C++, Assembly) application design and system auto test scripts (Procomm)

Strong hand-on skills in modification, troubleshooting /debug, testing, reliability verification and many areas of electrical measurements and installation

Familiar with SPI, I2C bus, GPIB, RS-232/422/485, Device Net, Winsock (Ethernet).

Familiar with Lab instruments (Logic analyzer, Frequency Spectrum, Signal generator etc.).

Automation Control and Data Acquisition System software (C, VB, GUI, ActiveX, API, LabWindows/CVI) and hardware design and integration for semiconductor equipment.

Programmable Logic Controller (PLC)’s hardware, software and HMI applications.

Extensive experience in motion control such as Servo/Stepper/DC/AC motion system.

AC/DC, DC/DC and Battery backup DC/DC converter. And HVAC knowledge.

WORK EXPERIENCE:

July, 2016 ~ Jan, 2017: Black Fish Enterprise LLC/ Electrical Engineer, Fort Worth, TX

1).As a consultant, I am response for 5 meter high speed 600dpi printing machine electrical system design; electrical system integration and electrical device selection.

2).And created all kind of the electrical drawings for the printing system.

3).Weight sensor circuit board design as well.

Jun, 2013 ~ July, 2015: Sanden Vendo America, Inc. / Electrical Engineer, Dallas, TX

1).Circuit designing for Snack detect sensor, it used 16 pair of IR emitter and receiver built a thru beam sensor to detect the order status. Using Atmel RTOS controller to handle the signal.

2).Circuit design three axis motor driver and Life cycle reliability verification; reverse the snack machine control board to ready to build our own control board.

3).Circuit design 4 channel Frequency to Voltage convertor; alone with a system or error Alarms. Implemented schematic capture and PCB layout, and life time reliability test.

4).Support engineers and customer support relative either some of design; test, and field issues.

Nov, 2012~Jun, 2013: Sr. Application &Electrical Engineer /Aiscent Technologies

1).RFI’s /RFP’s for customer request. Technical support, training, sale lead and installation/Troubleshooting for the ALDI exposure machine. Manage show in US.

2).Circuit design for protect sensor and drive board design, etc. and PCB layout.

Aug, 2006~Jul, 2011: Electrical Engineer / Overhead Door Corp. Lewisville, TX.

1).Explosion Proof Commercial Operator Control circuit design (NEMA7/9), which need meet FM and UL multiple standards, reliability study and extremely restrict safety circuit design; power supply design; Extended range I2C circuit design and test, it can be transfer I2C data up to 50’ range and obtaining reliable data in both sides. Safe DC/DC power.

2).Magnetic Limit sensor software developments which used Microchip RTOS PIC24F04 controller through I2C talked to Host MCU and SPI bus to magnetic sensor of MLX 91306 to obtained position, speed and direction.

3).Developed interface software for Commercial Door Opener of RSX witch using I2C to communicate. Fire sentinel module which is state of art product in the market.

4).Advanced Wall console for next generation residential opener which used PIC18F25J11 for complicated function control, DC/DC, and integrated with TI 915MHz Simpliciti (ZigBee family) RF network control up to three units which is revolutionary product in the industry.

5).Residential AC opener design which used PIC16F886 MCU with AC/DC power, analog/digital input circuit. All design has pasted UL/FCC/IEC standards and FMEA analysis and reliability test.

6).Design Commercial Operator with MCU control AC motor, up to 750VAC, 7.5 HP.

7).All kind of activities, such as created product specification, cost reduction, system testing, reliability study, created test plans and support sustaining, production and quality team

Jan, 2006~Jun, 2006: Electrical engineer (consultant) / General Dynamic, Woodbridge, VA.

1)Amphibian Simulation vehicle data interface hardware design.

2)Driver shifter simulator hardware design for analog and digital.

Mar, 2004 ~ May, 2005: Test Engineer / Texas Instruments Inc. Dallas, Texas.

1).Hardware Design for test fixture of Power over Ethernet (PoE) for timing parameters testing regarding to IEEE 802.3af. Design Green PD (Power Device) for PoE system testing.

2).Implemented firmware testing for PoE system under MSP430 controller, C and VB.

3).Supported application engineer in PoE field technical support and troubleshooting.

Apr, 2001 ~ Oct, 2001: Test Development Engineer / Enfora Wireless Inc. Plano, Texas

1).Developed automatic calibrate RF power levels software for Wireless Modem on Atmel’s (AVR’s RISC) micro-controller; HP8920A, SPI bus and GPIB/RS232; LabWindows/CVI and C/C++ language/Assembly software development environment.

2).Data acquisition software design on Rabbit’s micro-controller, HP8920A, GPIB and SPI bus, LabWondows/CVI and C/C++ software develop environment, and generated test report.

3).GPIO interface hardware design, simulation, timing analyze and debug for wireless modem test system.

4).Used Atmel’s IEC200 emulator to developing micro-controller firmware to control PLL.

Jan, 1999 ~ Mar, 2001: Electrical Design Engineer / Ball Semiconductor Inc. Allen TX.

1).Developed hardware and software for embedded control system for surface inspection system, which use MicroChip’s microprocessor as core controller (IDE: MbLab) and DVT vision unit.

2).Electrical system design and integrate for Mask-less Exposure Machine System, hardware design including control DLP’s Optical Engine, feeding servo system, DVT vision unites, exposure shutter control (RS232), A/D & D/A,FPGA, I/O card and I/O module, and pneumatics valves control. Created system schematic and wiring diagram and select components from vendor. I also work on the software development.

3).Developed and integrated hardware and software for Wafer Distortion and PC Board Exposure System generate the schematic and wiring diagram to control 7 axis’s motion system, DLP’s optical engine and DVT vision system. Also uses VB and CVI to generate GUI interface.

4).DLP (Digital Light Processor) high-speed line driver’s circuit design, test bridge module design, simulation, timing analyze and PCB layout (Protel 99 SE). Also create functions testing software.

Sep, 1993 ~ Dec, 1998: Lead Electrical Engineer / Mactronix Inc. Richardson, Texas

1).Hardware and software design for wafer automatic transfer, handling, and inspection machines Mitsubishi PLC control software and drawing wiring diagrams for the projects.

2).Design real time control hardware and firmware for wafer cassette auto transfer machine, which uses Intel 8051 micro-controller, C and Assembly language.

3).Circuit design for control interface module, which uses ISA bus and 8255, I/O and transceiver; design optical sensor amplifier; PCB layout and technical support etc.

Computer Skills:

Programming language: C/C++ (OOD/OOP), Assembly, Visual Basic, LabWindows/CVI and Active-VHDL.

Software Tools: DxDesigner/PAD’S, OrCad (Cadence), Protel, Altium, Circuit Maker, Visio, Auto CAD, Microsoft Office, Clear Case and Clear Quest.

EDUCATION: Bachelor of Engineering in Electrical and Electronics,

Personal: US citizen

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