SUMMARY

15 years in electrical systems developments, high speed digital & analog circuit boards design, Imaging and video systems designer, embedded software driver developer, GSM/GPS tracker phone and GHz RF circuits designs and testing, digital audio amplifiers, DC-DC switching powers, FPGA, VERILOG & VHDL programming, and many years in real-time device drivers for DSP & microprocessors in C and Assembly.

Extensive customer supports and visits in US and Asia, new products proposals, definitions, systems designs, software developments, verifications, testing, test methods, EMC/EMI, and production quality controls.

Career Highlights

• Electrical & Systems Engineer
• 15 years with Texas Instrumentsin digital imaging, video, high speed digital circuits designs, DC-DC switching powers, RF, GPS, digital audio, FPGA, VHDL, embedded DSP/ARM firmware in C and Assembly
• 8 patents in DSP, digital imaging, analog, filters, USB, systems solutions and innovative products

Technical Strengths

• “One of the best designers and debuggers ever worked with”, comments of Texas Instruments colleagues
• “Everything you did to our projects is very helpful”, references of TASER
• Proven experience from new requirements to actual designs, HW & SW implantations and final production
• Key contributor in both hardware & driver developments, simulations and product verifications

EMPLOYMENTS

Confidential, Sr. Electrical and Systems Engineer Feb.2009 ~ Present

• FFT and FIR in DSP assembly & C coding and designs for non-invasive detection with acoustic waves
• Technical advisor for new products definitions (GSM/GPRS/GPS tracker phone, WiFi & Bluetooth)
• Develop technical partnerships with China and Taiwan in imaging, wireless, networking and software
• Designer for TI OMAP35X based portable imaging recording with night vision, and RF DSSS network
• Code developer in C under LINUX for device drivers, integrated debugging, test methods developments
• Systems performance and power consumption analysis, state transition and throughput managements
• GPS/GSM/GPRS, RF DSSS systems designs, testing, and field performance improvements
• Switching power circuits designs, power-over-Ethernet, charger, fuel gauge, and battery managements
• High speed DDR and GHz RF circuits layout, RF amplifier and antenna selections
• Recommend & identify major parts for performance and cost analysis
• Design review and work with 3rd parties to resolve technical issues
• Wrote out 20 chapters of design specifications of systems, GPS, GSM, RF, IO cells, interfaces, POE, power managements, throughput, testing methods, software state transitions, and system operations

Confidential, Sr. Electrical and Systems Engineer 1995 ~ Jan. 2009

Expertise in Imaging & Video Systems

• Patent designs of TI-Presenter™, a product enables all TI graphing calculators to display on TV
• Designed complete digital camera for all TI DaVinci DSP processors --- as reference designs for ODM and brand name companies directly in mass production
• Designs of CCD/CMOS sensor imagers, TV decoders, HDMI & LVDS HDTV & LCD display
• Insight knowledge (down to register bits and timing cycles) of imaging & audio processing and drivers
• Expert experiences and often called in to investigate timing critical firmware bugs and throughput
• Hands-on experiences in CCD/CMOS imaging drivers, ARM and DSP processing, MPEG imaging pipeline, DDR timing, NAND, Ethernet, HDTV LCD drivers, USB (host & device drivers) and USB compliant testing

Coordinate 3rd Party Efforts and Customer Supports

• Define subcontract requirements, verification software deliverable and negotiate pricing
• Responsible for solving technical issues in designs and production encountered by 3rd parties or customers
• Visit customers and 3rd parties to coordinate developments in specifications, development plans
• Propose solutions; Review designs; Analyze performance and competitors’ solutions
• Hands-on testing, performance / algorithms assessments and production quality controls
• Design optimizations and BOM costs reductions for customers and mass production

FPGA and Verifications

• Skilled with Verilog & VHDL, Modelsim, XIlinx ISE, Altera Quartus, Codegen, Denali, Synthesis
• Successfully developed USB host IP interface to ARM core in FPGA, simulation in modelsim and emulation in FPGA and real-time C, resulting in one-time success of USB host design in silicon production
• Designed Verilog & VHDL for various ARM bus interface, motor drivers, SPI, I2C, UART, controls, etc.
• Designed many FPGA systems including imagers, TV decoders, HDTV interfaces, DDR, USB, HDD, Ethernet, Audio, DC-DC powers, NAND, LCD display for silicon verifications and developments
• SoC functional partitions in FPGA, IO peripherals, test chips, specifications and V&V boards designs
• Lead team efforts from Japan and India, successfully validated pre-silicon VHDL functions in FPGA
• ---assured one time success of silicon production
• Invented new verification scheme and sharply reduced verification time and engineering resources
• Designed FPGA systems, saved 50% cost from $230K down to $130K for chip developments

Embedded C and Assembly, DSP and ARM Processors

• 10+ years of experiences in real-time embedded C & assembly for hardware drivers and boot-codes
• Developed software for imaging sensor characterizations, exposure, iris and lens controls, video and LCD
• Developed software for data throughput analysis of ARM, DSP, MPEG imaging pipe, DDR single & burst

Experienced in ARM, DSP, TI DaVinci-DM, OMAP35X imaging microprocessors and various peripherals

• Developed drivers for both USB host and device of various processors, TI ARM & DSP, Cypress controllers
• Experienced in hardware boot-up codes in assembly with various ARM, DSP, RISC processors
• Designed and developed both software and MSP430 based hardware for a function & signal generator
• Personally developed device drivers for USB, CCD imager through DSP imaging pipe to LCD display
• Ethernet, Hard Disk, NAND, DDR DMA, I2C, SPI, UART and various peripherals
• Experienced in embedded drivers of PC104 and Intel 80x86 processors in assembly and C

Power Circuit Designs

Extensive experiences in portable power and cost efficient designs of AC/DC-DC Boost, Buck, Flyback Charger, charge pump and RTC circuits Analytical and simulations of load, DC-DC operations in Spice and Matlab Selections of FET, inductors, transformers and power components to meet design specifications Many years of experiences in power solutions of TI, Maxim, Fujitsu, Richtech, LT, Aimtron, and National Experienced in for portable battery power designs, and powers for TV, motor and high voltage KV circuit Developed microprocessor controlled software driven PWM DC-DC power solutions

RF Circuit Designs

• Designed GHz RF receiver, a consumer product comparable to the best class of Motorola, NEC, SONY
• Selections of RF transistors & chipsets for wireless solutions and product developments
• Calculations, evaluations and measurement methods of RF system performance, BER, sensitivity, IM rejections, IP3, P1dB, NFof amplifier, PLL, filtersand RF signal chain
• Designs of wireless RF receivers, amplifiers, mixers, VCO and PLL as well as testing and evaluations
• Signal processing stream from satellite LNB, tuner, decoder, imager, DSP, MPEG, LCD HDTV and power managements as well as associated hardware parts and/or chipsets solutions

Audio and Amplifier Designs

• Designs of audio codec from MIC and speaker amplifiers to device drivers for recording & playback
• Experienced in single-end, differential, single-ended to differential conversions, ALC circuits designs

Simulations (Confidential) and Systems

• Digital and analog filter designs, signal processing, frequency and time domain analysis with Confidential
• Imaging processing, color space transformation and sensor characterization with Confidential
• Amplifiers, DC-DC conversion, Filter designs, systems frequency and timing analysis with Confidential
• RF amplifiers, oscillators, filters, matching & microstrip designs and stabilities analysis with Confidential

Confidential, R&D for Confidential 1991 ~ 1995

• Patent designs of an electronic medical instrument for non-invasive treatments by focused sounds energy
• Echo spectrum DSP analysis, electrical signals transmit and receive systems development

Confidential. Electrical Design and R&D Engineer 1987 ~ 1990

• Embedded system designs and SW driver developments in C and Assembly
• Responsible for hospital initial qualifications of medical equipments and field technical supports

Lab Equipments & Tools

• Spectrum, Network & Logic Analyzers, Noise & Power Meter
• Digital Scope, signal generators and protocol analyzers

EDUCATIONS

Arlington PhD pending (passed all PhD qualifications)
Master of Electrical Engineering
Major: Digital Wireless Communications

Master Program of Computer Engineering.

Master of Electrical Engineering Major: DSP
Bachelor of Electrical Engineering Major: RF Circuit Designs