Electronic Power Supply Design Consultant, Magnetics Designer, SPICE Simulation, and High Voltage Electronics

Technical Consultant #1735


Expertise

Summary

Design of high frequency DC-DC switch mode converters, high power/voltage linear power supplies, and circuit synthesis. Experienced in Mean Time Between Failure (MTBF), and Failure Mode Effects Analysis, PCAD schematic entry/PCB layout, surface mount technology high density design, prototype test/measurement/evaluation, and failure mode analysis.

  • Low and medium power switch mode power supply design.
  • High frequency magnetics design.
  • Linear power supply design.
  • High voltage power supply design.
  • Analog circuit design.
  • Printed circuit board layout design.
  • Surface mount technology design.
  • SPICE circuit modeling and simulation.
  • Design with MathCad.
  • Production documentation.
  • Prototype testing.
  • Troubleshooting and failure mode analysis.
  • Electromagnetic compatibility (EMC).
  • Design for reliability.
  • Mean time between failure.
  • Military standard design and testing.
  • Specification reading and writing.
  • Technical report writing.
  • Mentoring for reliable design practice.
  • Tools: MathCad, Microsoft Office, Access database, Excel, Word, Onenote and Outlook.

Experience

Undisclosed Company, Consultant, Present

  • Designed 50VDC/95kVDC topology and magnetics, Tamb = 160C.
  • Designed wide band 50VDC/2500Vpk pulse generator topology and magnetics, Tamb = 160C.
  • Designed 50VDC/2.5Vrms filament supply topology and magnetics, Tamb = 160C.

Ensign Power Systems, Loveland, CO, Senior Power Supply Design Engineer, 2008 - 2009

  • Designed and tested military grade rack mount multi-output switching and linear power supplies used in surveillance and space object tracking radar systems.
  • Improved reliability and Electromagnetic Compatibility (EMC) of military aircraft power supplies.
  • Performed environmental and EMI testing per Mil-Std-461A, and DO-160 for aircraft systems.

Foundation R&D, Inc., York, SC, Senior Power Supply Design Engineer, 2004 - 2008

  • Designed and tested a series of 24VDC to variable 1-12kVDC constant current charge / constant voltage maintain switching high voltage capacitor chargers for underground cable fault detection.

Walden University, Minneapolis, MN, Post Graduate Student, 2002 - 2006

  • Completed post graduate study focusing on power electronics.
  • Also completed courses in electronic packaging, feedback control theory, electronic filter design, motor drives, accounting, and entrepreneurship.

Advanced Energy Industries, Fort Collins, CO, Design Engineer, 2000 - 2001

  • Developed technology for pulsed output resonant power supplies.

Calex Manufacturing, Concord, CA, Design Engineer, 1996 - 2000

  • Designed and tested DC/DC converter family with wide input/temperature range, single output, 15 watt, in a 1"x2" package.
  • Designed and tested 5-output converter with wide input/temperature range, 70 watt output in a 3"x4" footprint meeting European Telecommunications Standards Institute (ETSI) standard for electromagnetic compatibility (EMC).
  • Designed and tested quasi-resonant zero voltage switching converter.

ETM Electromatic, Inc., Newark, CA, Design Engineer, 1989 - 1996

  • Designed and tested 1.3 Megawatt peak, 16 kilowatt average, microwave high power and high voltage amplifier for space vehicle and object tracking.
  • Designed and tested L-Band, 50 kW peak high power and high voltage amplifier spanning 0.7 to 2.2 GHz for support of airborne and space vehicle operations.
  • Designed and tested S-Band, 50 kW peak high power and high voltage amplifier for support of mobile threat simulation.
  • Designed and tested a high voltage test system for traveling wave tubes operating in the millimeter wavelength bands.

United States Navy, various locations, Naval Officer, 1984 - 1989

  • Guided ship's movement on international and inland waterways.
  • Led the Underway Replenishment Division aboard ship.
  • Led training of the ship's crew in firefighting and flood control skills.
  • Led the Hull Technician Division aboard ship.
  • Completed the Damage Control School at Newport, RI.
  • Completed the Shipboard Engineering Officer's School at San Diego, CA.
  • Completed the Surface Warfare Officer's School at San Diego, CA.
  • Attended the Officer's Naval Nuclear Power School at Orlando, FL.

Honors & Publications

Credentials

  • Completed COPEC certification program in Power Electronics.
  • Qualified as Naval Surface Warfare Officer - a demonstration of professional leadership naval officer competence.

Academic and Professional Affiliations

  • Member of the IEEE Power Electronics Society

Education

  • M.S. Power Electronics, Walden University
  • B.S. Electrical Engineering, United State Naval Academy, Annapolis, MD
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