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Enhanced performance is needed from antennas, radomes and other microwave components to support ever-increasing functionality for military communications and electronic warfare (EW) applications. There is a continuing demand for antennas with broader bandwidth, higher power handling and better controlled radiation patterns, while at the same time reducing size and...

A number of factors are driving the design of high speed digital packaging. At the assembly level, metal boxes are the dominant configuration due to mounting and interconnect constraints. The next assembly connectivity is accomplished through cables, requiring coaxial connectors. Since a variety of companies manufacture many of the...

In recent years, GSM systems have been deployed using many base transceiver stations (BTS). However, in some areas, such as basements of buildings, tunnels and valleys, there may be no signal, and in some regions fading may occur. These problems can be solved cheaply by implementing repeaters. Figure 1...

When designing dielectric rod antennas for maximum bandwidth, maximum gain, minimum beamwidth and/or low side lobes, design parameters reported in the literature are provided in terms of free-space wavelength. While this methodology lends itself well to other antenna types, it is not as useful when used to describe dielectric...

Precise device characterization is the starting point of any good circuit design. This task can be particularly challenging when the device is a high power transistor having low input and output impedances. For devices working only under pulse conditions, specific test benches exist 1 but are rather complicated and...

As is well known, there are two general types of altimeter systems - a pulse radar altimeter and a frequency modulated, continuous wave (FM-CW) radio altimeter. Aircraft radio altimeters typically operate at altitudes from 0 to 8000 feet utilizing separate antennas for transmit and receive. Such radio altimeters have...

Welcome to Philadelphia, home of the 2003 International Microwave Symposium! The fifth-largest city in the United States and the second largest on the East Coast, Philadelphia (known from June 8-13, 2003 as Microwave Metropolis) is one of the world's most dynamic destinations. In Philadelphia, you will be at the...

This year the IEEE MTT-S International Microwave Symposium (IMS) and Exhibition will be held in Philadelphia, PA at the Pennsylvania Convention Center. Although the MTT-S Symposium was hosted by the Philadelphia Chapter of MTT-S at Cherry Hill, NJ in 1976, this is the first time the IMS will be...

Philadelphia, nestled between New York City and Washington, DC, has at times been overlooked or forgotten when noting major US cities. But since it is one of America's oldest cities (1682), Philly has had, I guess you could say, a little head start over other towns. No wonder she...

The following list is complete as of April 9, 2003. 7 Layers.......... 2619 A-Alpha Waveguide Co........... 2410 AC Microwave.......... 1048 Accent Optical Technologies.......... 2010 Accumet Engineering Corp........... 2406 ACE Technology.......... 1949 Actipass Co. Ltd........... 2251 Advance Reproductions Corp........... 2404 Advanced Control Components.......... 2519 Advanced Power Technology RF.......... 1148 Advanced...