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 Expert  716523

Expert in Microwave Circuit Technology

Available for your Consulting and Expert Witness Needs

California (CA)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness

Summary of Expertise:

Listed with other top experts in: 

Expert has expertise in almost all areas of filters and multiplexers. He has an international reputation in this field, has many original theories and design concepts, and consults for several major companies in the microwave filter industry. He works at frequencies from 1MHz to 100GHz, using almost all media and techniques.

microwave filter




multiplexing equipment


electric filter


band-pass filter


band-stop filter


Butterworth filter




harmonic filter


high-pass filter


low-pass filter




notch filter


radio-frequency filter

Expert is well known as the author of the latest design methods for directional couplers and hybrids in waveguide, coaxial, stripline, or other media. He is also expert in other passive components (e.g. polarizers, phase shifters/equalizers, and matching networks). He is an inventor of new and improved couplers, and has designed other systems and high power networks.

microwave passive component


directional coupler




inductance reactor


transmission line

Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: Los Angeles, California;  San Diego, California;  Long Beach, California;  Santa Ana, California;  Anaheim, California;  Riverside, California;  Glendale, California;  Huntington Beach, California;  San Bernardino, California;  and Chula Vista, California.

Year   Degree   Subject   Institution  
1966   Ph.D.   Applied Sciences   Queen Mary College, University of London (England)  
1957   M.A.   Physics   St. Catharine's College, Cambridge University (England)  
1953   B.A.   Physics   St. Catharine's College, Cambridge University (England)  

Work History:
Years   Employer   Department   Title   Responsibilities

1989 to 2004


R. Expert Associates





Expert is a consultant in microwave engineering, filters, multiplexers, and passive components.

1988 to 1989




Research (Passive Components)


Vice President


He conducted research and developmemt on filters and multiplexers.

1984 to 1988


K.W. Microwave Inc.




Vice President


Expert did research and development, plus had production responsibilty for all engineering products.

1967 to 1984


Microwave Development Laboratories, Inc.




Vice President


He did R&D in filters, multiplexers, and passive components.

1964 to 1967


University of Leeds (England)


Department of Electrical Engineering




He had a faculty position, doing teaching and research.

1959 to 1964


Mullard Research Laboratories, England


Systems Division


Deputy Section Leader,


He worked on the development of electronic countermeasures systems and broadband microwave components.

Career Accomplishments:

Expert is a member of IEE.

Professional Appointments

He was Editor of IEEE Transactions on Microwave Theory and Techniques from 1986-89.


Expert is a Life Fellow, IEEE. He received the Career Award from the IEEE Microwave Theory and Techniques Society in 1997.

Publications and Patents Summary

He has approximately 75 papers, three books, and twelve patents.

Selected Publications and Publishers  
 - IEEE Transactions on Microwave Theory and Techniques, Institute of Electrical and Electronics Engineers (IEEE)  

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:
Expert Witness Experience Summary:
Expert has given depositions and reports on several cases involving patent issues, specifically with respect to microwave filters. He gave testimony in one court case at the Federal Trade Commission, Washington, DC.
Recent Litigation Client Requests:
  • Expert for consulting on trade secret misappropriation case involving microwave oscillators.
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
1989 to 2004   UK   Expert consulted for Mitec Telecommunications, Dunstable.

Language Skills:
Foreign Language   Description
French   Expert is able to read and understand articles in French.

Additional Skills and Services:

He has given several short courses and lectures on filters, multiplexers, and microwave circuit theory.

Supplier and Vendor Location and Selection

Expert has experience locating vendors of microwave components and microwave sub-assemblies and systems. He has access to the following resources: trade journals, trade catalogs, and industry contacts.


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