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 Expert  726596

Expert in RF, RF Linearization, RF Amplifiers, RF Components


Available for your Consulting and Expert Witness Needs

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

Summary of Expertise: Listed with other top experts in: 
Expert is a design engineer who focuses on RF predistortion for wireless digital communications systems. Has published several papers on the subject of RF wireless components/subsystems and holds several US patents on the same subject. Expert received an MSEE from Leningrad Polytechnic University.
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amplification

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amplifier

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amplifier circuit

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amplifier distortion

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amplifier gain

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cellular communication

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cellular telephone

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cellular telephone system

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class-A amplifier

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class-B amplifier

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class-C amplifier

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communication system

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digital radio-frequency signal

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distortion

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feed forward amplifier

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feed forward radio-frequency amplifier

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frequency mixer

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high-frequency amplifier

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intermediate-frequency amplifier

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linear amplifier

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mobile radio system

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mobile telecommunication

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modulation technique

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power amplifier

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preamplifier

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radio communication

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radio frequency

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radio frequency test instrumentation

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radio transmitter

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radio frequency amplifier

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radio frequency circuit

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radio frequency device testing

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radio-frequency mixer

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radio-frequency power

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radio-frequency power amplifier

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radio-frequency power amplifier technology

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radio-frequency transmission

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spread spectrum communication

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transceiver

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wireless communication


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;  Stamford, Connecticut;  and Philadelphia, Pennsylvania.

Often requested
with this expert:

Radio Frequency / Analog / Mixed-Signal Integrated...
Radio Frequency Integrated Circuit Design, Radio Frequency...
RF and Microwave GaAs IC and circuit design, semiconductor...
Semiconductor Industry IC Package Design and Development,...

Education:
Year   Degree   Subject   Institution  
1991   MS   Electrical Engineering   Drexel University  
1974   MS   Electrical Engineering   Leningrad Polytech  

Work History:
Years   Employer   Department   Title   Responsibilities

2006 to 2008

 

NXP Semiconductors

 

Base Stations

 

Principle RF PA Innovation Engineer

 

System aspects in a number of projects (polar modulated amplifier, GaN amplifiers) Duties included simulations, intended to understand a system behavior and to come up with component specifications, as well as experimental verification of software predictions. In case of GaN amplifiers the focus was on the linearization aspects (including memory effects) of transistors

2004 to 2006

 

Anadigics

 


 

Senior Member of Technical Staff

 

A senior member (team leader) of an application team. Duties included creation of innovative applications, test and measurement solutions for the product line of power amplifiers used in hand-held units. The responsibilities included ADS simulations of Power Amplifiers' application in various environments (various digital communication standards), automation of test equipment, design verification, publishing application notes, as well as intensive interaction with customers, domestic and international.

2001 to 2004

 

Mitec Wireless

 


 

Senior Design Engineer

 

Duties were to lead designs of Power Amplifiers for wireless base stations. Completed designs included an innovative solution for lineups, power supply protective circuits, and RF predistorter. Leading the brand-new design of “smart” amplifiers on extremely tight schedule with multi-national teams cooperating from various locations. Winning the customers approval and loyalty by creating on-time innovative solutions and providing extensive customer support. The linearization effort is focusing on a number of the state-of-the-art (best in industry) RF predistorter solutions. The linearization procedure consists of initial simulations (using Agilent ADS software package), breadboarding, RF measurements, and implementation of the final designs according to the PCB layout requirements.

1998 to 2001

 

Motorola

 


 

Staff Engineer, RF Architecture

 

System Architect of cellular phones working in EDGE and WCDMA formats. Duties included transmitter & receiver RF performance evaluations (using Agilent ADS package). Simulations included a creation of independent transmitter simulation platforms (p/4DQPSK, 8PSK, EDGE and WCDMA) with DSP and RF simulations as well as with MATLAB co-simulation; measurements confirming the software predictions (using the latest available HP measuring equipment); similar evaluations of a receiver; determination of the "bottlenecks", within-the-team solution finding for the best architectural approach. Specific focus is on the techniques for the linearization of Power Amplifiers.

1990 to 1998

 

AT&T/Lucent Bell Laboratories

 


 

Member of Technical Staff

 

System Architect for cellular phones (1997-1998) Duties included software evaluation of the RF performance of the telephone Lead RF engineer for RF Cellular/PCS accessories (1996-1997). Duties included the design of a PCS Booster Amplifier. Developer of Digital Radio's Front-End for indoor wireless communications (1990-1996). Specific duties included an innovative design of RF portions of a transmitter (Power Amplifier) and 4-position RF switch.

1988 to 1990

 

AMPLIFONIX

 


 

Senior Development Engineer

 

Developed a new product line of passive receiver components (Mixers, Switches, Attenuators, etc.) in the frequency range up to 3 GHz. Designed active components, like Amplifiers, FET Oscillators, as well as their combinations (subsystems). Used commercially available software (TOUCHSTONE) as a tool for designs. Extensively used computerized network analy¬zers, spectrum analyzers, generators, PC computers. Developed custom made programs for automation of measurements.

1982 to 1988

 

MERRIMAC IND., Inc

 


 

Microwave Engineer

 

Designed passive microwave components in the frequency range 30 MHz - 18 GHz.


Career Accomplishments:
Awards/Recognition

Anadigics' Excellence Award “In the appreciation of an outstanding contribution to the support of CDMA and WCDMA products and customers”, Letter of recognition by the Customer (Mitec) for delivery of innovative amplifier design, AT&T “Associate Recognition Award”for delivery of a Wireless Base Station platform


Publications:
Publications and Patents Summary

Has 5 patents, 2 provisional patents and 12 publications on the subject of RF.

Selected Publications and Publishers  
 - Microwave Journal (Horizon House)  
 - CommDesign  

Consulting Services:
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:
Recent Litigation Client Requests:
  • Expert for consulting on RF Switch patents.
  • Radio frequency interference expert for consulting on Alcotest Radio Frequency Interference.
  • Expert in RF Technology for litigation case involving false claims of machine to tighten skin.
  • Radio frequency interference expert nj for consulting on RFI/EMI on th Alcotest machine.
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.

International Experience:
Years   Country / Region   Summary
2006 to 2008   Netherlands   Worked for NXP Semiconductors on system aspects in a number of projects (polar modulated amplifier, GaN amplifiers). Duties included simulations, intended to understand a system behavior and to come up with component specifications, as well as experimental verification of software predictions. In case of GaN amplifiers the focus was on the linearization aspects (including memory effects) of transistors

Language Skills:
Foreign Language   Description
Russian   Mother tongue

Additional Skills and Services:
Other Skills and Services

Has developed a unique approach to the linearization of RF Power Amplifiers for Digital Communications


 

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