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Introduction From the early 70’s, solid-state pulsed transmitters for primary and secondary radars (IFF-SSR) and also for communications systems (JTIDS) [1], have used silicon bipolar transistors. With such kind of devices, the common working operation mode was class C for optimizing the overall system efficiency and, consequently, reducing the...

The resonant frequency of every quartz crystal is affected by acceleration forces. The nature of the effect depends on the type of force that is being applied. Changes in the static gravitational force being experienced such as tilting or rotation will cause a step offset in frequency. Time dependent...

Anaren Inc. has received a contract valued in excess of $11 M from Northrop Grumman Corp. , Baltimore, MD, for Integrated Ferrite Assemblies used in the S-band radar which is part of the Mission Equipment for the Cobra Judy Replacement Program. The Cobra Judy Replacement Program is for long–loiter...

SPINNER , a global leader in the development and manufacturing of state-of-the-art passive RF components, announced the installation of a newly developed jumper cable assembly line in its Norcross, GA, manufacturing location. “For sixty years SPINNER has been the leader in the development of interconnect products for coaxial cables,"...

"Addressing Metrology Needs for Future High Speed Information and Communications Systems" was the theme of the 69th ARFTG Microwave Measurement Conference held June 8th in Honolulu, HI, as part of the International Microwave Symposium - Microwave Week. The technical program began with "Characterization Challenges for Future Base Station Power...

Rohde & Schwarz announced that Jack Cowper , currently vice president of Rohde & Schwarz Inc., has been appointed president of Rohde & Schwarz Canada Inc. He will continue to hold his current position as well, and reports directly to Wolfgang Schmittseifer, chief executive officer of Rohde & Schwarz...

Published November 28, 2007 From: Debbie Yerushalmy, Trendlines Dear Harlan, Has there ever been a commercial product for microwave weed control? If yes, where can I find more information about it? If not, what are the reasons? Dear Debbie, We published a paper called "An Improved Microwave Weed Killer"...

The second SAR-Lupe satellite, part of the German observation system, has been successfully boosted into orbit from the Plesetsk space centre by a Russian Cosmos-3M rocket. Thales Alenia Space has supplied the key Sensor Electronic units, which form the core of the Synthetic Aperture Radar (SAR) that will provide...

Synterra , a national telecommunications service provider in Russia, and Alcatel-Lucent have formed a strategic partnership to deploy the country’s first commercial Universal WiMAX networks. The project will be conducted in cooperation with regional telecom operators to provide WiMAX access throughout Russia. Alcatel–Lucent won the tender for the delivery...

Willtek Communications has joined the TETRA Association, a worldwide interest group of companies and organizations that further the development and application of the TETRA standard for professional mobile radio (PMR). The TETRA Association, formerly the TETRA MoU, was created in 1994 and currently counts about 150 members, including user...