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A new quad-band/dual-band power amplifier (PA) module has been developed for use with dual-mode GSM and EDGE handsets. The RMPA1852 PA module was designed to deliver the highest power efficiency in EDGE mode without sacrificing performance in GSM mode. The product achieves 27 percent power-added efficiency (PAE) in EDGE...

The planar inverted-F antenna (PIFA) is widely used in cellular phones, primarily due to its compactness and size. 1 The demand for communication devices for personal communication systems has led to a constant search for ways to reduce the cellular phone dimensions. Applications, such as loudspeakers, cameras, etc., are...

With the increasing volume of data that government authorities and the military have to handle, it is becoming more and more important to have high speed connection for short as well as long haul ranges. Combined with the fact that in many countries the 4 GHz frequency band is...

To efficiently deal with modern day threats, the commander of a naval vessel requires a system that will provide him a highly effective communications and radar threat profile in near real-time. Even better, of course, is if that system can also provide automatic surveillance, together with operational flexibility leading...

Thin film interconnects are a standard circuit technology used in high frequency design components and subsystems where transmission line widths of .005" and under are critical to performance as well as high power applications where thermal conductivity is of concern and materials such as beryllium oxide and aluminum nitride...

The development of Soldier Modernization Programs (SMP) across NATO and other countries poses challenges — not only through the extension of voice and data communications down to each infantryman, but the parallel need to define the level of security required to protect the information sent. Communications security for individual...

Lamberto Raffaelli President and CEO LNX Corp. MWJ: What are the roles of microwave technologies in light of current requirements for lighter, more deployable forces? How are these roles different from microwave technologies employed in the Cold War Era? LR: Certainly, in the recent past, our defense customers have...

M/A-COM is now offering new lightweight cable assemblies utilizing the FN34RXLW cable, a lightweight version of its proven FN34RX cable assemblies. This new product offering is intended for use in high performance military airborne applications. All popular assembly configurations are readily available with reduced mass at competitive prices. Weight...

The European Southern Observatory (ESO) is an intergovernmental European organization for astronomical research, coordinating many projects. The leading one in radio astronomy is the construction of the Atacama Large Millimeter Array (ALMA), 1,2 a project for an interferometer aimed at the study of microwave and sub-millimeter signals coming from...

Four earthquakes and a tsunami warning not withstanding, the IMS 2005 Symposium and Exhibition in Long Beach, CA turned out to be a huge success. Cool ocean breezes and hazy days were the norm outside, while crowded technical sessions and a busy show floor were the norm inside the...