High Power, High Voltage, RF Engineering Power Electronics Consultant

Technical Consultant #2294


Expertise

  • Extensive high power, high voltage, analog, digital electronics and PCB design experience
  • Switch mode power supply design from 1W to 200kW, 1.8V to 400kV.
  • Power electronics, linear and saturable magnetics design, IGBTs, Mosfets, controls engineering, design.
  • RF PAs from 100W to 50kW CW, LF to L-Band, over 1MW VLF, VEDs, SiC, GaN, and LDMOS.
  • Microcontroller experience, FPGA, CPLDs (Microchip, Atmel, Xilinx, TI).
  • Particle accelerator design (Cyclotrons, Power Amplifiers, RF, Controls, Machining, Vacuum, Magnets, and Instrumentation).

Computer Expertise

  • Altium Designer, Advanced Altium Training, OrCad
  • LTSpice, TinaSpice, PSIM, etc., MPLab IDE, Xilinx Toolsuite
  • Matlab, Poisson/SuperFISH, Simion, Agros2d
  • C, C ++, PIC C and assembly, Verilog, firmware design, CoreFire
  • Experience with Asian and Central American contract manufacturers.

Expert Witness

  • Root cause analysis, patent viability, and failure analysis Experience with Asian and Central American contract manufacturers.

Experience

Undisclosed Company, President, 2009 - Present

  • Providing design and consulting services to semiconductor industry tool developers as well as consumer electronics manufacturers including high performance audio and LED lighting applications.
  • Designed and brought to production 100kW DC high voltage power supply, several high power plasma drivers, tube and solid-state RF PA designs 500W to 50kW, quasi-resonant battery charging supplies, 15kW deep UV light source for thin film curing.
  • Designed, prototyped, and manufactured 8kW novel self-oscillating high-voltage plasma driver.

Diversified Technologies Inc., Bedford, MA, Senior Engineer, 2012 - 2015

  • Developing novel solid-state L-band RF power amplifiers.
  • Designed high power (10 MVAR) dynamic antenna tuning network.
  • Designing ultrafast pulsers (20kV, 400A, 5ns rise and fall).
  • Designed, delivered, installed 400kVdc 160kW power supply.
  • Wrote several DOE and military SBIR contracts, conference papers and IEEE publications.
  • Principal investigator on DOD Phase 1 and Phase 2 VLF Transmitter upgrade project and multiple large programs, internal research and development efforts.
  • Extensive work at NAA Cutler, NPM Lualualei, NRTF Dixon VLF sites.

Philips ColorKinetics, Burlington, MA, Senior Analog Engineer, 2008 - 2010

  • Designed, prototyped, and brought to mass production (over 100k units) three LED lighting product power supplies, meeting global safety and emissions regulations.
  • Designed novel microcontroller-interfaced PFC buck, PFC inverted buck, PFC flyback, half bridge ZVS-ZCS, critical mode and transition mode flyback and buck, and other supply topologies and dozens of custom magnetics.
  • Led team in redesigns for global EMI and safety approbations for a dozen products.
  • Designed power supply for LightFair International (awarded product of the year).
  • Senior Analog EE in group, mentoring younger engineers and guiding designs from inception to completion.

Energetiq Technology Inc., Woburn, MA, Senior Electrical Engineer, 2006 - 2008.

  • Designed, prototyped, and brought to production high voltage 3-phase 25kW DC power supplies inductively-coupled pulsed plasma drivers.
  • Designed, modeled, and prototyped several high voltage power supplies, capacitor chargers, and pulsed power systems for plasma and laser applications, up to 60kW CW, 40MW per pulse.
  • Devised first-principles nonlinear magnetic modeling of multi-stage magnetic switching systems.
  • Product development team leader for both laser-driven light source and high power, high frequency pulsed light source.
  • Led electrical engineering team, mentored less experienced engineers, and hired new engineers.

General Dynamics AIS, Ypsilanti, MI, Principal Engineer, 2003 - 2006

  • Developed calculation methods and GMTI algorithms for novel passive, bistatic SAR system.
  • Led multi-disciplined team in hardware partitioning a real-time radar range compression algorithm onto COTS FPGA VME boards.

Honors & Publications

Academic and Professional Affiliations

  • Institute of Electrical and Electronics Engineers - IEEE, Senior Member

Awards

  • Lighting for Tomorrow Grand Prize award for SSL Cove Lighting
  • LightFair International Product of the Year award for remote-phosphor downlight
  • GDAIS Creative Technology Proposal Award, Excellence Award for program achievements, University of Chicago ASC Outstanding Volunteer Award
  • Scientific Consultant, "The Nuclear Boyscout," Eagle & Eagle Television, London
  • Featured Scientist, "Stephen Hawking's Universe," BBC, London
  • International Science and Engineering Fair Grand Award, for demonstrating cyclotron of my own design (uniform field, two Dee, slight positive index, variable frequency proton cyclotron, 400nA peak beam current

Patents

  • U.S. Patent - UV light source system

Education

  • M.S. Physics, University of Michigan, Ann Arbor, MI
  • B.S. Physics, University of Chicago, Chicago, IL
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