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Measurement and control of gain and reflected power in wireless transmitters are critical auxiliary functions that are often overlooked. The power reflected back from an antenna is specified using either the voltage standing wave ratio (VSWR) or the reflection coefficient (also referred to as return loss). Poor VSWR can...

The IEEE 802.16-2004 standard, generally referred to as WiMAX, specifies air interfaces for broadband wireless access (BWA) systems. The standard is expected to energize the BWA industry and create opportunities to deploy systems in applications that were previously cost-prohibitive. WiMAX enables multiple services in a wireless metropolitan area network...

Wireless Technologies – Viewpoints from Two Markets and Two Continents Harlan Howe Jr. and Richard Mumford Bob Wallace Microwave Journal and Telecommunications Norwood, MA ( Please click here to view this article in pdf format ) The editors of Microwave Journal and the Americas and International issues of Telecommunications...

EMS Technologies Inc. has announced the signing of a definitive agreement for the sale of the assets and operating liabilities of its Space & Technology/Montreal division to MacDonald, Dettwiler and Associates Ltd. (MDA), Vancouver, BC, Canada. The parties are seeking to close the transaction during 2005, subject to the...

Saab and TietoEnator will form a joint venture company called TietoSaab Systems Oy, with the intention of becoming a major supplier in defense and civil security solutions in Finland. Additionally, Saab will get access to long-term IT support from TietoEnator. The joint venture will launch operations on 1 January...

Agilent Technologies Inc. announced it has been awarded a $19.73 M contract by the US Air Force to provide Agilent microwave measuring receivers to the Air Force Metrology and Calibration Lab (AFMETCAL). Agilent also has received a $2.3 M contract to deliver low noise signal generators to the lab....

Sage Laboratories Inc. recently celebrated the opening of its new state-of-the-art manufacturing facility in Hudson, NH. The 55,000 square foot facility was completely renovated to accommodate the RF/microwave production flow of Sage products. From standard catalog components to highly sophisticated integrated subsystem and multi-function assemblies, products follow an efficient...

On 2 November, Hans Huis in 't Veld , chairman of the Netherlands Organization for Applied Scientific Research (TNO) board of management, and Nicolai Platé , vice-chairman of the Russian Academy of Sciences, signed a Memorandum of Understanding (MoU) in the presence of Russian president Vladimir Putin, during his...

Modelithics™ has completed the first phase of substrate-scalable models for Dielectric Laboratories ' (DLI) Opti-cap®, Milli-cap®, Ultra High-Q and other surface-mounted capacitors. Modelithics is now distributing free S-parameters for the components from its Web site to the DLI landing page http://www.modelithics.com/mvp/DLI/ . Modelithics also announced the availability of new...

Valpey Fisher Corp. now offers a complete line of voltage-controlled oscillators (VCO) and phased-locked loop (PLL) modules, adding to its extensive platform of high frequency, low phase noise timing solutions. With a frequency range of 200 to 5010 MHz, wide tunability and broad selection of package options, these VCOs...