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Industry News

Design of a UWB Low Insertion Loss Bandpass Filter with Spurious Response Suppression

This article describes a new ultrawideband (UWB) microstrip bandpass filter based on a dual-mode ring resonator with spur-line structures placed at the input and output ports. This type of filter is characterized by its compact size, sharp rejection, l...
Recently, more attention has been paid to applications of ultrawideband (UWB) technology on wireless communication. It offers advantages of decreased cost and increased capabilities, compared with other conventional radio technologies. Standards activities for UWB systems are promoting a global perspective for not only technology but also regulations. UWB has...
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Microstrip Line with a Novel Broadband PBG Structure

A new scalariform cross (a cross with a square in the middle) slot structure is proposed for a broadband photonic band-gap (PBG) microstrip line. Compared to other PBG structures of simple geometries, wider frequency stopbands, greater than 40 percent ...
Photonic band-gap (PBG) structures were initially proposed in the optical component field. In the microwave field, PBG periodic structures suppress the propagation of electromagnetic waves whose frequencies are within certain bands. They allow shifting the rejected frequency band by simply changing the geometry parameters of the PBG element or...
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Salvan: Cradle of Wireless

<b>How Marconi Conducted Early Wireless Experiments in the Swiss Alps</b> <br>On September 26, 2003, the IEEE dedicated a “Historical Milestone,” acknowledging some of the first wireless experiments conducted in 1895 by Guglielmo Marconi in Salvan, S...
In 1965, inhabitants of Salvan, Switzerland, located above Martigny in the Mont Blanc region, “remembered” that a senior citizen of their village had lived a very unusual experience seventy years before, when he was a young boy. A radio reporter was vacationing nearby, and Maurice Gay-Balmaz, by then 80...
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Integrated Passive and Active Devices Using CSP, DFN and QFN Packaging for Portable Electronic Applications

Over the past five years, an explosion in growth of the portable electronics industry has provided numerous opportunities for manufacturers of RF components. Today, the designers of compact electronic systems, especially handheld/wireless devices, are faced with tightening board space constraints, thus driving the requirement for alternative integrated passive technologies....
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Harris Corp. Introduces Falcon Watch Remote Surveillance System

Harris Corp. unveiled an advanced sensor system product line that offers remote, unattended intrusion detection and surveillance capabilities ideally suited to the defense of military installations and perimeters, as well as for the protection of borders and other assets associated with homeland defense. The Harris Falcon Watch™ Remote Intrusion...
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Northrop Grumman Receives Joint STARS Upgrade Contract Worth $532 M

The US Air force has awarded Northrop Grumman Corp. a five-year, $532 M contract for the Joint Surveillance Target Attack Radar System (Joint STARS) System Improvement Program to provide system design and development improvements to the E-8C Joint STARS fleet. The contract covers the engineering, design, development, integration, test...
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AACER System Would Detect Ground Targets

Development of an airborne radar that can search broadly for ground targets while transmitting data about them at Ka-band is the objective of the Affordable Adaptive Conformal ESA Radar (AACER) program awarded to Raytheon by the Defense Advanced Research Project Agency (DARPA). Raytheon was selected to proceed with Phase...
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Raytheon Standard Missile-3 Intercept Challenging Ballistic Missile Target

A Raytheon Co.-produced Standard Missile-3 (SM-3) destroyed a ballistic missile target outside the earth atmosphere during a Missile Defense Agency/Aegis Ballistic Defense (BMD) Program flight test over the Pacific Ocean. It was the sixth successful intercept for the Aegis BMD program using the SM-3. The November 17 mission was...
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