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Industry News

News From Washington

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News From Washington Sanders to Provide Communications Jamming Systems for EA-6B Upgrade Sanders, a Lockheed Martin company, has received a $12.9 M contract from the US Navy to provide its AN/USQ-113 communications jamming systems to be used in the upgrade of the EA-6B Prowler aircraft. Under the terms of...
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International Report

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International Report Asian Communication Satellite Comes on Stream Singaporean and Taiwanese telecommunications providers Singapore Telecom and Chunghwa Telecom Company Ltd. took title to the new ST-1 telecommunications satellite on 26 October following a two-month in-orbit workup period. ST-1 was launched from the Ariane Kourou, French Guiana launch site on...
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Commercial Market

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Commercial Market Study Highlights Opportunities in US Satellite Markets Arecent report from Multimedia Research Group Inc. (MRG), "US Satellite Services Market: 1998–2005," discusses the rapid increases in satellite competition and in the use of mobile communication, remote data devices and satellite-based entertainment services that are expected to result from...
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The Book End

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The Book End Theory of Nonuniform Waveguides: The Cross-section Method B.Z. Katsenelenbaum, L. Mercader del Rio, M. Pereyaslavets, M. Sorolla Ayza and M. Thumm The Institute of Electrical Engineers 249 pages; $95 Electronic devices that generate high power mm-waves produce electromagnetic fields with a very complex structure. It is...
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SiGe Front-end RFICs

Silicon germanium (SiGe) ICs that eliminate the need for multiple components in 900, 1800 and 1900 MHz front-end applications
CommQuest
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SiGe Front-end RFICs CommQuest, an IBM company Encinitas, CA The advantages of the silicon germanium (SiGe) semiconductor process have provided a price-to-performance ratio not available thus far from existing component technologies. SiGe power amplifiers achieve better than 55 percent power-added efficiency while today’s GaAs-based products offer no more than...
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A Bonding Prepreg for Microwave Multilayer PCBs That Uses FR-4 Processing

This month's cover features a bonding prepreg for microwave multilayer PCBs that uses FR-4 fabrication processes
Rogers Corp.
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A Bonding Prepreg for Microwave Multilayer PCBs That Uses FR-4 Processing Rogers Corp., Microwave Materials Division Chandler, AZ As the high performance microwave market has evolved from a low volume, military-oriented market to one dominated by large, commercial wireless applications, microwave circuit boards have also undergone a fairly dramatic...
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An IS-95 16-channel CDMA Source for Power Amplifier Testing

A CDMA source that generates real-time stimuli for testing power amplifier performance for use in cellular and PCS applications
Berkeley Varitronics Systems Inc.
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An IS-95 16-channel CDMA Source for Power Amplifier Testing Berkeley Varitronics Systems Inc. Metuchen, NJ Communications systems that use CDMA techniques are placing new demands on component manufacturers, test equipment and measuring techniques. Digital TDMA and CDMA standards use quadrature phase-shift keying (QPSK) modulation formats as opposed to the...
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A Low Loss, Lead-free LTCC System for Wireless and RF Applications

A low temperature cofired ceramic (LTCC) system that exhibits low loss up to 23 GHz and has many of the desirable features of 951 Green Tape
DuPont Polymers and Electronic Materials
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A Low Loss, Lead-free LTCC System for Wireless and RF Applications DuPont Microcircuit Materials, The DuPont Co. Wilmington, DE As the number and complexity of wireless applications grow, needs increase for component and interconnect technologies that allow the direct attachment of bare ICs, can be manufactured in high volumes...
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1998 Editorial Index

A listing of 1998 Microwave Journal articles organized by subject and indexed alphabetically by author
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1998 Editorial Index COVERS Alpha Industries "Low Voltage Power Amplifiers for GSM Handsets," No. 6, p. 116. Analog Devices "A 0.1 to 2.5 GHz Logarithmic Amplifier for RF Detection," No. 7, p. 142. Anritsu Co. "Spectrum Analyzers for High Frequency Point-to-point and Point-to-multipoint Networks," No. 3, p. 132. Hewlett-Packard...
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Linear RF Power Amplifier Design for CDMA Signals: A Spectrum Analysis Approach

A theoretical method to predict the output power spectrum of a CDMA power amplifier
Qiang Wu, Heng Xiao and Fu Li
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Technical Feature Linear RF Power Amplifier Design for CDMA Signals: A Spectrum Analysis Approach Qiang Wu, Heng Xiao and Fu Li Please click here to view the pdf file of the Technical Feature  ...
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