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Industry News

A Quad-band GSM/EDGE PA Module

September 1, 2005
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...
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Estimation of the Optimal Location of Metallic Objects Inside a Mobile Phone

lanar near-field measurements of the electric field components are used to determine where to place external components, such as a loudspeaker or camera, without significantly affecting the radiated field. The location of the peak value of the electric...
September 1, 2005
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...
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A Small 4 GHz Antenna Suitable for Military Applications

August 13, 2005
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...
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A Combined Naval RESM, ELINT, CESM, COMINT and SIGINT System

August 13, 2005
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...
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Innovative Thin Film Techniques to Eliminate Faulty Wire Bonds and Improve High Frequency Circuit Densities

August 13, 2005
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...
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Secure Personal Communications on the Battlefield

The gulf between the technically possible and the practical is difficult to bridge.
August 13, 2005
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...
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Military Microwaves 2005 - Current Viewpoints on Technologies for Deployable Forces

The editors of Microwave Journal and Journal of Electronic Defense interviewed some key executive and military leaders in the markets that we serve, both in the US as well as Europe. Selected questions and answers from those interviews are presented be...
August 13, 2005
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...
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New Lightweight Cable Assemblies for High Performance Airborne Applications

August 13, 2005
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...
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Electroformed Front-end at 100 GHz for Radio-astronomical Applications

The design of the front-end for a radio-astronomical receiver usually presents notable challenges in terms of large bandwidth and polarization purity and, more recently, for the very high frequencies investigated. In this article, the design of the who...
August 2, 2005
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...
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An Upbeat IMS 2005 in Long Beach

August 2, 2005
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...
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