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Industry News

COMING EVENTS

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COMING EVENTS WCA 2004 Technical Symposium and Business Expo January 21-23, 2004 San Jose, CA This 10th annual symposium gathers technically-oriented wireless broadband carriers and their leading vendors. The event complements WCA's larger annual summer show held in Washington, DC, focusing more on regulatory matters. Investment and business planning...
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Workshops & Courses

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Workshops & Courses Introduction to Electromagnetic Compatibility Design Practices Topics: Fundamentals of electromagnetic compatibility (EMC/EMI) and focus on the methodology of how to minimize EMC problems. Attendees will be offered a hands-on personal consultation. For more information, visit www.dlsemc.com. Site: Northbrook, IL Dates: Jan. 22-23/26-27, 2004 Contact: DLS Electronic...
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News from Washington

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News from Washington Raytheon Receives $36.9 M Award for F/A 18 Radar Warning Receivers Raytheon Co. has been awarded a $36.9 M contract for production of its ALR-67 (V) 3 radar warning receiver system for the US Navy. The ALR-67 (V) 3 is the state-of-the-art radar warning receiver on...
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International Report

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International Report Asia/Pacific Region Sets the Standards Transparency, inclusion and the needs of developing nations were among the main topics discussed by the twenty-two top executives representing the national standards bodies of the Asia/Pacific region when they convened at ASTM International for a two-day Open House. The recent event...
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The Book End

Microwave Journal Staff
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RF and Microwave Semiconductor Device Handbook Mike Golio, Editor-in-Chief CRC Press 311 pages; $99.95 ISBN: 0-8493-1562-X The aim of this book is to provide a single volume comprehensive reference for high frequency semiconductor devices. Written by twenty experts in their field, it is intended to be a starting point...
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Lightweight Spaceflight Microwave Cable Assemblies

W.L. Gore & Associates Inc., Landenberg, PA
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Lightweight 0.190" spaceflight microwave cable assemblies have been introduced that weigh 20 percent less than the company's traditional 0.190" cable assemblies. The new cables are qualified to operate up to 18 GHz over a -100° to +125°C temperature range and are designed to meet the rigorous requirements of the...
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Miniature Ultra-high Speed Synthesizer for 2.25 to 18 GHz Applications

Wide Band Systems Inc.
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A new miniature wide band frequency synthesizer has been introduced that operates from 2.25 to 18 GHz, permits 3 ms tuning, exhibits a volume of 334.3cc (20.4 in 3 ), consumes just 22 W of DC power and provides a clean RF output spectrum with an absolute accuracy better...
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A Nonlinear Circuit Simulation Model for GaAs and InP Heterojunction Bipolar Transistors

Agilent Technologies
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Over the last several years, III-V heterojunction bipolar transistors (HBT) have become an increasingly important technology for a variety of rapidly growing markets. GaAs-based HBTs now play a major role in wireless communications. Key applications include power amplifiers for handset phones, wireless LAN and numerous other high speed analog...
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The Grid Amplifier: Enabling High Power Millimeter-wave Systems

James J. Rosenberg, Michael P. DeLisio and Blythe C. Deckman Wavestream Corp., Chun-Tung Cheung and David B. Rutledge California Institute of Technolo
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There are a number of communications, radar and imaging applications spanning Ka-band through W-band (26 to 110 GHz) that require transmitter output powers in the range of a few watts to a few tens of watts. Vacuum-tube sources and amplifiers have long been available that can produce output power...
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An Actively-controlled Microwave Reflecting Surface with Binary-pattern Modulation

This article describes an actively-controlled reflecting surface, capable of modulating the microwave energy incident upon it. The surface is a composite structure holding an array of conventional semiconductor diodes excited with a set of pulses in a ...
P.S. Neelakanta, A.K. Stampalia and D. De Groff, Florida Atlantic University
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For specific applications, there is a need for materials or composite structures which can reflect and/or absorb the electromagnetic (EM) energy incident upon them in a desired or controllable fashion. Such reflective EM absorbing/reflecting materials 1-3 are useful in designing smart radar cross-section (smart RCS) surfaces and radio frequency...
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