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News From Washington NIST and National Federation of the Blind to Cooperate Deputy Secretary of Commerce Sam Bodman and National Federation of the Blind (NFB) president Marc Maurer announced that the Commerce Department's National Institute of Standards and Technology (NIST) and the NFB will work together to test a...

International Report AMS Snares ATC/Airport Business The Anglo-Italian joint venture company Alenia Marconi Systems (AMS) has announced new contracts with respect to the provision of instrument landing systems (ILS) for the US Air Force, a Doppler weather radar for South Korea's Meteorological Administration and two Advanced Surface Movement Guidance...

The Commercial Market New 3G Wireless Infrastructure Study Published Forward Concepts has announced the publication of what is probably the definitive in-depth study of the market and technology of the worldwide cellular infrastructure. The new report, "Wireless Infrastructure Technology and Markets: The Challenge of 3G," details infrastructure markets through...

Wireless Local Loops - Theory and Applications Peter Stavroulakis, Editor John Wiley & Sons Inc. 289 pages; $110 ISBN: 0-471-49846-7 This book presents the theoretical aspects and various practical applications of a new medium of transmission called wireless local loops (WLL) that is making a major impact in the...

The trend towards faster and higher frequency communications is driving the search for high reliability packaging solutions that satisfy ever more demanding performance requirements. However, when utilizing the packaging materials commonly available today, designers often come up against thermal, mechanical and/or cost barriers. To meet these demands, Osprey Metals,...

When HFSS™ was introduced in February 1990, it created a new era in microwave design. Prior to this event, microwave design was limited to simple analyses and cut-and-try methods. With HFSS, engineers could conveniently build, analyze and refine three-dimensional (3D) microwave prototypes using their computers. For the first time,...

Fabricating a high performance 2 x 16 transmit/receive (T/R) switch to feed a millimeter-wave Rotman or Lunenburg lens antenna array has in the past been a complex and space-consuming configuration. A new T/R switch assembly has been designed that features a compact, unique package containing a 2 x 16...

All 15 modules of the GENESYS RF/microwave design software suite have recently been enhanced. For 17 years, Eagleware has worked with thousands of customers worldwide to continuously upgrade its suite of synthesis, simulation and design environment tools. Major enhancements in the current release include new models, an antenna pattern...

Since microwave communications equipment is low profile and light weight, low profile and light weight antennas are essential. A microstrip antenna has been developed to meet this requirement. Microstrip antennas offer a conformal structure, low cost and ease of integration with solid-state devices, and are low profile and lightweight....

The design of a millimeter-wave antenna with a pencil-beam pattern is complicated when using a slotted waveguide and results in unacceptable dissipating losses, as high as 8 to 10 dB for a microstrip (RT duroid or Cu/PTFE substrate) distributor. This is why most submillimeter-wave antenna designers avoid traditional VHF...