ORC Expert Advisory Services ORC International

  home    |    find an expert    |    request an expert    |    join our network    |    about us     expert login  
Expert Consulting and Expert Witness Services
  
  search tips 
Share this page:  Send to LinkedIn Send to Facebook Tweet This Email Print

 Expert  726141

Expert in Circuit Design Engineer–Analog, Power Supply, EMI, Video, Audio, RF, Motors, Sensors, Ckt Simulation


Available for your Consulting and Expert Witness Needs

New Jersey (NJ)
USA
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness Market Research

Summary of Expertise: Listed with other top experts in: 
He has extensive analog circuit design skills and he is expert in using mathematical derivation analysis of systems/circuits coupled with confirming computer modeling and simulation tools such as PSpice, Mathcad, MATLAB, and Excel. He is an expert in both the electromagnetic field approach and the circuit analysis approach in analyzing electrical problems; he uses both approaches where possible to confirm analysis results. He is also expert in circuit network theorems (application and derivations). He has an expertise in developing and deriving algorithms for complex systems. He has expertise in both worse case and statistical analysis design techniques. He is an expert in analog design, high-speed analog circuit design and high speed ECL/GaAs digital circuit design. He is an expert in designing AC-DC and DC-DC converters for power supplies, data acquisition using A/D's and D/A's, video and audio design, and in designing DC brushless motors. He is also an expert in design of sensor (temperature, piezoelectric, event-capturing, data log, etc.) electronics. Besides being an expert in RF design, he is also very competent in digital design. He has expertise in designing feedback control loops and is also an expert in feedback stability theory and applications and in servomechanism electronics design.

He is an expert in noise reduction techniques in electronic systems as well as an expert in performing thermal analyses for electronic systems. He is an expert in Signal Integrity issues and in traveling wave theory on both loss-less and lossy PCB traces (or cables) with multiple tees and junctions. He is an expert in design, analysis and simulation of EMI, lightning, and ESD protection circuitry (MIL-STD-461, MIL-STD-464, DO-160 and MIL-STD-704).

He is also an expert in grounding (DC and AC) and shielding. He is also expert in magnetic design principles and understands the theory, design & applications of transformers, chokes, ferrites, etc. He can derive magnetic field theory from electric field theory and the special theory of relativity. He is also an expert in establishing criteria for stackup, electronic component placement and routing for PCB's.

 • 

analog circuit

 • 

analog circuit design

 • 

analog circuit simulation

 • 

electronic circuit analysis

 • 

electronics modeling

 • 

feedback loop

 • 

HSPICE software

 • 

electric circuit design


Show Secondary and Basic Areas of Expertise
Localities:
Expert may consult nationally and internationally, and is also local to the following cities: New York, New York;  Yonkers, New York;  Newark, New Jersey;  Jersey City, New Jersey;  Paterson, New Jersey;  Elizabeth, New Jersey;  Bridgeport, Connecticut;  New Haven, Connecticut;  Hartford, Connecticut;  and Philadelphia, Pennsylvania.

Often requested
with this expert:

EMC/ EMI, RF/ Microwave, Hardware, Firmware, Product...
Semiconductor Industry IC Package Design and Development,...
Eng Design, Digital/ Analog, DSP, Wireless, RF, FPGA,...
Low Power Chip Design, Verification, DSP, and Algorithms

Education:
Year   Degree   Subject   Institution   Honors
1973   PhD partial course work (no thesis)   Mathematics   Stevens Institute of Technology   Summa Cum Laude; GPA=4.0
1969   MSEE   Electrical Engineering   Stevens Institute of Technology   Summa Cum Laude; GPA=3.9+
1969   BSEE   Electrical Engineering   Rutgers University   Cum Laude

Work History:
Years   Employer   Department   Title   Responsibilities

2014 to 2015

 

GE Healthcare

 

Troy, NY

 

Consultant

 

Amorphous Silicon Thin Film Transistor Digital X-Ray Sensor Imager: performed complex analyses & ran circuit simulations using PSpice; made recommendations to mitigate ESD issues on their glass panel designs. Addressed both the human body model (HBM) & the charged device model (CDM).

2012 to 2014

 

Honeywell Defense and Space

 

Glendale, AZ

 

Consultant

 

Worst Case Analysis (WCA) using PSpice/ORCAD/Cadence, LTspice, MathCAD & Excel for high reliability classified military satellite circuits, which included consideration of all circuit tolerances including end-of-life and Space radiation effects on circuit components. Worst Case analysis included extreme value (EVA), RSS, Monte Carlo together with confirming hand analysis derivations. End-of-life (EOL) tolerances included purchase, temperature, radiation and aging. Modified PSpice op-amp macro models for EOL performance using PSpice model editor tool and verified results with simulations. Other analyses included stability (phase/gain margin) for “loop” & “multi-loop” type circuits using derived modified Middlebrook Method, radiation Single Event Effects (SEE) transient analyses, etc. Also, analyzed a multitude of various circuits for satellite's “control moment gyroscope” function. Fixed/redesigned other engineers' deficient circuits to make compliant with requirements & repeated WCAs/simulations.

2012 to 2012

 

United Technologies Aerospace

 

Totowa, NJ

 

Consultant

 

Re-design of existing circuits for EMI protection, HEMP, inrush current, etc. for classified military missile program. For analyses, used tools such as PSpice/ORCAD/Cadence, MathCAD & Excel plus hand derivations.

2011 to 2012

 

Lockheed-Martin Space Systems Company

 

Littleton, CO

 

Consultant

 

Worst Case Analysis using PSpice/ORCAD/Cadence, MathCAD & Excel for high reliability NASA & NOAA GOES-R satellite circuits, which included consideration of all circuit tolerances including end-of-life and Space radiation effects on circuit components. Worst Case analysis included extreme value (EVA), RSS, Monte Carlo together with confirming hand analysis derivations. End-of-life (EOL) tolerances included purchase, temperature & radiation. Analyses/simulations included stability (phase/gain margin) for “loop” & “multi-loop” type circuits, controllers, power supplies, etc. along with noise analyses (using Excel &/or PSpice) for A/D channels and the more common limits analyses for other more general circuits like current limiters, relay drive mosfet circuits, transistor circuits, etc. Fixed/redesigned other engineers' deficient circuits to make compliant with requirements & repeated WCAs/simulations.

2010 to 2012

 

Goodrich Sensors and Integrated Systems

 

Totowa, NJ

 

Consultant

 

Generation of electrical system requirements and low noise electronic redesign of micro-electromechanical systems (MEMS) based piezoelectric accelerometers and gyroscopes. Design of buck-boost, boost & buck DC-DC switching converters (including loop stability control & AC input (noise) transfer functions) & low-dropout LDO's. EMI system & circuit analysis/design/simulation which included radiated/conducted susceptibility & emissions (MIL-STD-461 & DO-160).

2009 to 2010

 

ITT Space Systems Division

 

Fort Wayne, IN

 

Consultant

 

Worst Case Analysis (PSpice) for high reliability NASA & NOAA satellite circuits, which included consideration of all circuit tolerances including end-of-life and Space radiation effects on circuit components. Worst Case analysis included extreme value (EVA), RSS, Monte Carlo together with confirming hand analysis using other tools like MathCAD and Excel. End-of-life (EOL) tolerances included purchase, temperature & radiation. Performed stress analysis on derated components and thermal analysis calculation of semiconductor junction temperatures, etc. Conducted stability (from oscillation) analyses both by hand & using PSpice. Conducted analyses referring all circuit noise to circuit input using combination of PSpice & equivalent noise bandwidth concepts. Noise included opamp voltage & current noise, resistor noise, opamp rail noise, A/D noise, etc. Supported reliability engineers with MTBF and FMEA analysis. Wrote white papers, mentored and gave on-site talks/classes to engineers on PSpice tools, PSpice “tricks”, multiple loop feedback theory, etc.

2008 to 2009

 

Alcatel-Lucent

 

Murray Hill, NJ

 

Consultant

 

Intellectual Property & Patent Infringement Expert: analog, video, audio, RF, EMI, power supplies and wireless circuits. Rated and identified potential candidate patents for license ability or infringement by others.

2006 to 2009

 

GE

 

Aviation (formerly Smiths Aerospace)

 

Consultant

 

Circuit design, analysis, simulation and testing of brushless DC motors for aircraft actuators. EMI, lightning (low frequency, RF & GHz) and ESD circuit design, analysis and simulation. Performed analysis and PSpice modeling and simulations for DO-160, MIL-STD-461 and MIL-STD-704 compliance on all of company's programs and redesigned other engineers' existing non-compliant circuits as required.


Career Accomplishments:
Associations/Societies

IEEE

Awards/Recognition

Dean's List & Summa Cum Laude


Publications:
Publications and Patents Summary

Notebooks of unpublished derivations & analyses for private use.


Government Experience:
Years   Agency   Role   Description
1992 to 2000   classified   circuit design engineer   classified
1997 to 2000   NSA   circuit design engineer   classified; unique & novel circuit design that others said was impossible to do; I demonstrated that it was possible & demo'd it

Consulting Services:
Recent Client Requests:
  • Expert in electronic design for consulting on electronic design FMEAs.
  • EMI expert to consult on signal interference, antenna, & thermal technologies.
  • Expert for consulting on PCB Design Analysis.
Click the green button above to contact Expert for a free initial screening call regarding your expert consulting needs.  Expert is available for consulting to corporate, legal and government clients.  Remember, your initial screening call to speak with Expert is free.

Expert Witness:
Expert Witness Experience Summary:
Patent Infringement Expert; analog, video, audio, RF, power supplies and wireless circuits. Rated and identified potential candidate patents for license ability or infringement by others.
Recent Litigation Client Requests:
  • Expert for consulting on assessment of metal wire formation and properties.
  • Expert witness in LED/SSL driver design case.
Click the green button above to contact Expert for a free initial screening call regarding expert testimony, litigation consulting and support, forensic services, or any related expert witness services.  A few litigation needs include product liability, personal injury, economic loss, intellectual property (patent, trademark, trade secret, copyright), and insurance matters.  Remember, your initial screening call to speak with Expert is free.

Market Research:
Expert in electronics field by virtue of academic training & 45+ years of technical, hands-on experience in aerospace, defense, military, utility, industrial and commercial arenas.

Click the green button above to contact Expert for a free initial screening call regarding your marketing research, industry research, and company research needs.  For research needs involving multiple experts or secondary research, a Research Director can be assigned to coordinate the work into a custom report for you as a potentially quicker and more cost effective alternative to doing this work yourself or hiring a boutique consultancy.  Remember, your initial screening call to speak with Expert is free.

Additional Skills and Services:
Other Skills and Services

 Expert in both electromagnetic field approach and circuit analysis approach in analyzing electrical problems; uses both approaches where possible to confirm analysis results.  Expert in using mathematical derivation analysis of systems/circuits coupled with confirming computer modeling and simulation tools such as PSpice, MathCAD, MATLAB, and Excel.  Expert in circuit network theorems (application and derivations).  Expert in developing and deriving algorithms for complex systems.  Expert in Worst Case Analysis (WCA) including extreme value (EVA), RSS, Monte Carlo together with confirming hand analysis using other tools like PSPICE, MathCAD and Excel, etc.  Very competent using Matlab & Simulink tools for systems analysis.  Expert in analog design.  Expert in low-noise front-end designs.  Expert in low power design.  Expert in high-speed analog circuit design and high speed ECL/GaAs digital circuit design.  Expert in designing AC-DC and DC-DC converters for power supplies.  Expert in data acquisition using A/D's and D/A's.  Expert in video and audio design.  Expert in designing DC brushless motors.  Expert in design of sensor (temperature, piezoelectric, event-capturing, data log, etc.) electronics.  Expert in RF design.  Very competent in digital design.  Expert in designing feedback control loops.  Expert in feedback stability theory, control loops and applications.  Expert in servomechanism electronics design.  Expert in noise reduction techniques in electronic systems.  Expert in performing thermal analyses (steady state, transient, pulse, etc.) for electronic systems.  Expert in Signal Integrity issues.  Expert in traveling wave theory on both loss-less and lossy PCB traces (or cables) with multiple tees and junctions.  Expert in design of DC-DC converters: buck, buck-boost, boost, SEPIC, LDOs, etc.  Expert in design, analysis and simulation of EMI, lightning, ESD protection circuitry and input spikes/surges (MIL-STD-461, MIL-STD-464, DO-160, MIL-STD-704, MIL-STD-1275, etc.).  Expert in grounding (DC and AC) and shielding.  Expert in magnetic design principles. Understands theory, design & applications of transformers, chokes, saturable reactors, motors, ferrites, etc. Can derive magnetic field theory from electric field theory and the special theory of relativity.  Expert in establishing criteria for stackup, electronic component placement and routing for PCB's.  Very familiar with PCB layout Design Standard ANSI/IPC-D-275.  Familiar with most MIL Standards and Specifications.  Understands electro-optic theory and applications. Familiar with fiber-optic design and applications.  Understands theory of (high) voltage breakdown-distance versus pressure (altitude) and applications.  Understands component de-rating (voltage, current, power, thermal, etc.)  Understands reliability theory and applications (FMEA, FMECA, MTBF, etc.).  Understands DSP theory and applications.  Understands power correction factor (PFC) theory for both linear & non-linear loads (such as SMPS's). For SMPS's, familiar with both passive & active PFC schemes.  Authored system, circuit, PCB layout, test and design review guidelines for clients.  Engineering mentor.  Leader in peer reviews and adheres to an Engineering Design Process.


 

Need the right expert?  We can help!

home       find an expert       request an expert       join our network       about us

Intota is now ORC Expert Advisory Services

FOLLOW ORC ON