Post Job Free
Sign in

Electrical Engineer Power, AC/DC & DC/DC switch mode power supplies

Location:
Santa Cruz, CA, 95065
Posted:
June 27, 2015

Contact this candidate

Resume:

MICHAEL JUDE HEBERT

831-***-****

acqgfz@r.postjobfree.com

Position applied for: Electrical Engineer, Fulltime

Summary: Versatile and broadly experienced Electronics Engineer with design

experience in the following: AC/DC DC/DC switch mode power supplies, Low noise

analog, Digital circuits, Medical equipment, Unique test equipment & fixtures and cables,

Solar photovoltaic power systems, Hi-Res video projectors, Semiconductor equipment,

Radio frequency circuits, Motion controllers, Automated Test Equipment (LabView).

Qualifications: Assisted in the development of Brite*I LASER scanned microscope

and control electronics, redesigned PCB’s for low noise by adding ground planes.

Assembled, tested and calibrated 6 prototype systems to be validated at UC Berkeley.

20+ years hardware design, developing specifications, analog/digital circuitry,

schematic capture (OrCAD), layout PCB, validation, BOM, NPI to production

Analog and mixed signal designs, low noise/precision analog

Digital circuitry design CPLD, microcontrollers, memories, high speed interface

Sensor based circuitry and input conditioning

Electrical designs, AC/DC DC/DC power supplies, AC distribution, UPS, motors,

Motion control and safety systems

Technical project management and supervisor of Junior Electrical Engineers

Experience:

JAPAN STEREO COMPANY, Santa Cruz, CA Owner/Designer 11/11 – Present

Developed a low EMI stereo class D amplifier 100 W per channel

Laid out PCB for the above amplifier

Developed a low cost Bi-directional PWM DC motor controller

Laid out PCB for the above motor controller

Bench tested several different topologies of power supplies for motor controller

looking for motor starting current and regulation line/load performance

TOYOTA – ITC, Contract 09/11 – 10/11

Research and development center of northern California

Designed and fabricated DC power boxes with remote reset

Drove Transmit car for road tests, parked car at 6m, 50m, 100m from Receive car

driving by on a street that’s perpendicular to the Tx car

Drove Tx car on Hwy 101 with Rx car following at various speeds

Provided crew communications with Tx car in front of semi tractor trailer and

Rx car following on Hwy 101, Tx car at various speeds

Proving feasibility of radio system for collision avoidance

Volunteer driver for Grey Bears of California 02/10 – 08/11

E SYSTEMS TECHNOLOGY, Contract 12/09 – 01/10

A contract manufacturer for the Biotechnology industry

Modified design of piezoelectric motor controller changed resistors to 5%, PSPICE

Added opto isolators to control inputs to provide level shift and isolation

Developed Buck converter 48 Vin to 5 Vout at 5 Amps

Schematic capture with OrCAD and analog layout of motor controllers

Learned about PMBus and SPI interfaces

Private Customer, Santa Cruz, CA 10/09 – 10/09

Troubleshot 3 amplifiers to the component level, found 8 shorted power FETs

Procured components from NTE, soldered in replacement components

Tested amplifiers, one year warranty on all repairs

REVERSICA DESIGNS / PI SQUARED, Contract 06/05 – 08/09

PI Squared is a custom Electro-mechanical design house and manufacturing company

Designed analog & digital circuitry to UL specifications, mechanical assemblies, Bread boarded prototypes, OrCAD schematic capture and analog layout

Accomplishments:

Designed analog & digital circuitry for Bi-directional PWM H-Bridge DC motor controller, mechanical assembly for gear motor mount & lead screw actuator arm, cables

Designed analog circuitry for Infrared refrigerator condenser coil ice detector, open

collector output

Designed digital circuitry for Twin axis stepper motor controller, mechanical assembly for controller enclosure, cables for motors, validated AC/DC 100-240 VAC 12VDC 80 W

Fly-back switch mode power supply for stepper motors

ECO SYSTEMS, Contract 01/02 – 04/05

Eco Systems is a Solar power system design and installation company.

Designed analog circuitry & wiring harnesses UL/CSA specifications, mechanical assemblies, bread boarded prototypes, OrCAD schematic capture and analog layout

Accomplishments:

Designed analog circuitry for solar array simulator 0-96VDC 0-15AMPS, machined off the shelf modular enclosure

Designed solar DC/DC converters for PC server power supply to specifications

Designed analog circuitry for Precision voltage source 0-10VDC 0.1% fixture, for transducer testing

Electro-mechanical design of Metrology electronics enclosure, built prototype in 2 days

CALIPER TECHNOLOGIES, INC., Contract 05/01 – 11/01

Caliper the company that devised chemical assay "Lab on a Chip" system

Coordinated with outside safety labs for UL/CSA/FCC tests and consulted with TUV Rheinland for CE product certification requirements. Implemented the Machinery and Low Voltage Directives. Constructed CE Technical file for system. Completed project in 4 months

Accomplishments:

Unit failed FCC test, rented Spectrum analyzer with probe and found unshielded

Laser control cable, ECO’d new cable, returned to FCC lab unit passed.

Tested and troubleshot the tray handler robots, interfaced with manufacturer for

technical support and problem resolution, reduced failures from 30% to 7%

PHOTON DYNAMICS, INC., Contract 10/99 – 01/01

The leading technical innovator in the design and production of liquid crystal display (LCD) panel inspection machines (capitol equipment).

Designed analog & digital circuitry, signal level & DC power cables, prototyped, tested & troubleshot to the component level, BOM’s on ESI, ECO’s, OrCAD for schematic capture, AutoCAD for cable drawings, Final design review

Accomplishments:

Guided junior Electrical engineer in trouble shooting the power supply rack, suggested

he add remote sensing to the +5 V and +12 V outputs to compensate for line drop

System integration of LVDT sensors, cable & detector cards, Voltage controlled

proportional air pressure valves, CORECO image processor boards, 12 bit digital video

cables and DC power cable harnesses

Mentored 2 junior Electrical engineers on analog & high speed digital PCB design

Designed Op amp circuit to change the output range from 1.8V - 10V to 0V – 8V on

existing Versa Modula Europa (VME) boards

Devised portable fixture for the linear variable displacement transformer (LVDT)

conditioners that allowed for calibration without shutting the entire machine down

CONTRACT SUMMARY JSC Ltd.

ULTRA STEREO LABS San Luis Obispo, CA 04/99 – 10/99

Designed/fabricated precision optics calibration fixture

Modified DC/DC power supply to meet EMI/EMC specifications

Developed LASER diode illuminator to replace LED illuminator for analog optic

soundtrack reader

Calibrated Ultra Stereo encoder and decoder units for use in cinema

AmPro CORPORATION Mountain View, CA 01/97 – 12/98

Co-ordinated development of new 2kW power system at Canadian supplier all the

way through into production

Implemented Low Voltage Directive into all new LCLV video projectors in 4 months

Sustaining engineering interfaced with vendors for new and retrofit components

Provided technical support to Final Test Technicians

WATKINS JOHNSON SEG Scotts Valley, CA 12/95 - 10/96

Custom electro-mechanical equipment added to semiconductor furnaces

Procured retrofit DC motor controller in 2 days and wrote installation manual in 4 hours

Recommended CPI NFS-25 power supply to replace failing P/S in Thermo Guard unit

Discovered fault in primary system and secured repair of all units at no cost in 6 months

Performed SEMI-1 inspection of WJ1000 furnace and IEC-555-1 line harmonics test

Validated new power supplies, transformers, circuit breakers and enclosures

EDUCATION

Applied Automotive Technology, Wyo Tech, School closed no Diploma

Cabrillo College, Astronomy, Maya 6, AutoCAD 2006

De Anza College, Business Ethics and Morales

Com-power Corp., On the job training, R & D Technician and Test Engineer

Mount San Jacinto College, Mechanical Drafting, Economics, Computer Technology

Hong Kong International High School, A/V Assistant, Electronics I

Cupertino High School, Mechanical Drafting, Electronics I & II, TV Production



Contact this candidate