SAM BELKIN
SUMMARY

Multi-disciplinary engineer with over 25 years of experience in medical engineering, physics, wireless telecommunications, electronics, and electrical engineering. Principal strengths include managing skills, system and schematic design, simulation and analysis, system integration, lab measurements and design verification tests, debugging and problem solving skills, production, and patent expertise. Experiencedwith CAD and simulation tools, RF and electronicinstrumentals.

Practical experience includes but is not limited to:

  • Project leading and management skills.
  • Work force and material resources management.
  • Research and development for medical engineering.
  • Design of analog, digital, RF and microwave, and electro-mechanical medical devices.
  • Design of RF ablation devices and medical imaging systems.
  • Design of medical dry-gas treatment methods, devices and systems.
  • Design of different electro-mechanical, electronic and RF medical devices and apparatus.
  • Design of antennas,sensors and data collection systems for medical applications.
  • Design of military and commercial wireless systems – GSM, CDMA, WCDMA, LTE, WLAN, Bluetooth, UWB.
  • Design for manufacturability, cost reduction and full product cycle management.
  • Project documentation, technical articles and presentations, department liaisons.
  • System and schematic analysis, design, and optimization.System integration.
  • Simulation and mathematical software: ADS, Genesys, Ansoft, LINC2, HFSS, Sonnet, CST, SPICE, Protel, CircuitMaker, TraxMaker, TurboCAD, MathCAD, Matlab, Excel.
  • High-speed, RF, and mixed signals layout optimization, EMI/EMC problems.
  • Problem solving, investigation and troubleshooting for systems failures.
  • Design verification and production tests, procedures, programs and documentation.
  • Government regulation complaint issues (FDA, FCC, European agencies).
  • Hands-on bench work, troubleshooting and prototyping skills.
  • Department liaison, working with cross-functional teams.
  • Working with customers and vendors.
  • Medical device manufacturing.
PROFESSIONAL EXPERIENCE
Nokia 2011 -2014
Specialist/Principal RF Systems Engineer

Responsible for system design, analysis and optimization for Windows Smart Phones.

  • Participated in design of many new mobile smart phones based on Windows 7 and 8 OS.
  • Performed analyses and optimizations on layout parasitic (pad’s capacitance, long traces effects, isolation, via shielding, ground loops, crosstalk, etc).
  • Led LTE-A carrier aggregation investigation and analyses for advanced technologies.
  • Submitted a proposal for new cellular phone architecture that solves major problems and opens the way to serious improvements.

Euroscience (dba)– San Diego, CA 2009 - 2011

Design and consulting for medical,RF, and electrical engineering.

Owner-Consultant

Responsible for research, design and evaluation of medical engineering products; RF and microwave system architecture and schematic design, simulations and analysis; measuring and tests; optimization and troubleshooting; analog and digital design, patenting, building of prototypes.

  • Project Lead for R&D project on breast cancer issues.
  • Project Lead for design of medical gases-based equipment.
  • Project Lead for venous insufficiency research NIH grant.
  • Project Lead for covered wounds control research DARPA grant.
  • Investigation on electrical properties and design of liquid biomedical lab phantoms.
  • Consulting on highly sensitive radiation detector for government and medical imaging.
  • Worked on FDA approval and 510(k) submission issues.
  • R&D, system architecture analyses and design for UWB medical imaging radar.
  • RF system design; link budget, gain, noise, IM distortion; spurious analysis.
  • Project engineer on mm-wave high speed radio link and 90GHz transceiver design.
Pulse~Link – Carlsbad, CA 2004-2005 and 2007 - 2008
Principal RF Systems Engineer

Project Leadfor number of UWB wireless and cableprojects.

  • Developed new architecture to improve signal-to-noise ratio of UWB receiver.
  • Designed system architecture solutions and schematics for UWB applications.
  • Provided design support and layout optimization for RF IC design team.
RFMD – San Diego, CA 2005-2007

Staff Engineer

Responsible for RF system architecture design, analysis, simulations, optimizations, and tests for FM radio, Bluetooth, and UWB technologies.

  • Developed RF system analysis worksheet for Bluetooth chip based on MathCAD program.
  • Investigated RF interference problems for UWB transceivers.
  • Developed method and mathematical model for UWB receiver desensitization analysis.
  • Supported RF IC design team with chip design, evaluation tests and layout optimization.
Euroscience (dba)– San Diego, CA 2001 - 2004

Owner/Consultant

Responsible for consulting, research, design and evaluation tests of engineering products; electronic, RF and microwave system architecture and circuit design, simulations and analysis; measurements and tests; optimization and troubleshooting; patenting, building of prototypes. Provided consulting for Quake Global (Satellite Communications System design for Ku band); Rais Enterprises (Highly sensitive nuclear detector for government and medical imaging design); Intraluminal Therapeutics (medical equipment design) and Vytek (Design of UHF FM transceiver for police).

Motorola, Inc., PCSSan DiegoDesignCenter– San Diego, CA 1999-2001

Company with over $30 billion in annual sales of high-tech equipment and semiconductor devices.

Senior RF Engineer

Responsible for design and evaluation of dual-band, tri-mode 800/1900 MHz CDMA cellular phones.

  • Performed system architecture and board level design, simulations, and analysis.

Rais Enterprises, Co. – San Diego, CA 1991-1999

Company specializing in growing semiconductor crystals for nuclear detectors and medical imaging systems.

Consultant

Responsible for design, building, and maintenance ovens for growing semiconductor crystals.

  • Designed and made mechanical, electrical and electronic parts; then assembled automated ovens.
  • Project Leadfor highly sensitive nuclear detector amplifier for medical imaging equipment.
Carbomed – Moscow, Russia 1985-1991

Privately held medical engineering company.

Founderand CTO

Responsible for company management and operations, new product development and R&D.

  • Project Leadfor design, patenting and manufacturing of new dry gas medical equipment.
  • Project Leadfor design, patenting and manufacturing of various medical electronic devices like pulse meters, blood pressure meters, patient monitoring, dispatcher’s controllers etc.
  • Project Leadfor design and manufacturing for numerous medical devices for physiotherapy, resorts, sanatoriums and spas.
  • Russian Health Ministry approval documentation and tests.
EDUCATION

MS in Electrical Engineering

MoscowTechnicalUniversity ofCommunications and Informatics Moscow, Russia

BS in Electrical Engineering

Electromechanical College Moscow, Russia

Post-graduation courses in applied mathematics, biology, radiology, medicine, general and patent laws, RF design, CDMA and LTE technology, Agilent’s and R&S test equipment courses and trainings.

PATENTS AND PUBLICATIONS

  • 7 USSR patents granted in the fields of electrical engineeringandmedicine.
  • Several patent disclosures submitted to related companies.
  • US patent US 8,499,374 B2 granted in the field of medical science and decease treatment.
  • Published a number of articles in electrical engineering and medical science fields.

LIST OF SELECTED TECHNICAL ARTICLES PUBLISHED IN U.S.A.

  1. Belkin S. “Temperature measurements and regulation for gas-air mix based physiotherapeutic

medical technologies”. CarboMed. June 2014.

  1. Belkin S. “Investigation on Glycerol-Water solutions usage asphantoms for medical

microwave imaging. Euroscience. March 2009.

  1. Belkin S. “Clinical and physiological usage of dry-gas treatment in medical practice.

Euroscience.January 1992.

4. Belkin S. “Imaginary Harmonic Mixer”, Motorola, Inc., 1999.

5. Belkin S. “Imaginary Harmonic Mixers and their usage for Direct Conversion

Receivers”, Motorola Radio Architecture and System Symposium, 2000.

6. Belkin S. “Noise Compensation Circuit”, Motorola Radio Architecture and System

Symposium, 2000.

7. Belkin S. “Integration of filtering elements into RF ICs”, Motorola Radio Architecture

and System Symposium, 2000.

8. Belkin S. “Microstrip filters”, Motorola Radio Architecture and System Symposium, 2000.

9. Belkin S. “Semiconductor devices with negative resistance and their usage for VCO design”,

Motorola, Inc., 2000.

10. Belkin S. “Analysis and design method for VCO resonant tank”, Motorola, Inc., 2000

11. Belkin S. “Design a tunable resonant-tank circuit”, Part 1, Microwaves and RF, May 2001.

12. Belkin S. “Design a tunable resonant-tank circuit”, Part 2, Microwaves and RF, June 2001.

13. Belkin S. “Consideration of parasitic parameters in practical design”. Euroscience. May 2001.

14. Belkin S. “Spurious analysis for wireless transceivers design”. Euroscience. August 2002.

15. Belkin S. “Noise figure measurements”. Euroscience. January 2004.

16. Belkin S. “Spectrum analyzer noise de-embedding”. High Frequency Electronics, April 2005.

17. Belkin S. “Differential circuit characterization with 2-ports S-parameters”. IEEE Microwave

Magazine. December 2006.

18. Belkin S. “The theory and practical modeling of non-linearity effects on receiver

desensitization”. RFMD. March 2006.

19. Belkin S. “Via spacing and shielding optimization for PCB design”. Pulse~Link.

March 2007.

20. Belkin S. “A practical guide to temperature characterization for electronics”. Pulse~Link. August 2008.

21. Belkin S. “Electrical fundamentals of resistance welding”, The Fabricator, November 2000.

22. Belkin S. “Shielding efficiency analysis for cellular phone boards”. Euroscience. October 2011.

23. Belkin S. “End-launch usage and calibration technique”. Nokia. December 2011.

24. Belkin S. “Crosstalk analysis and optimization”. Nokia. 2011.

25. Belkin S. “S-parameter conversion tools”. Euroscience. January 2012.

26. Belkin S. “Intermodulation analysis for the carrier aggregation cases”. Nokia. 2012.

27. Belkin S. “Measuring and matching with new VNAs”. Nokia. 20012.

28. Belkin S. “Calculations of the layout parasitic”. Nokia. 2013.

29. Belkin S. “Crosstalk and isolation analysis for the mobile phone design”. Nokia. 2013.