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Industry News

Efficiency Principles for Phased-array Radars Using Active Antenna Elements

The use of an active phased array to solve such problems as generating high power in a single transmitter at super high frequencies
Efficiency Principles for Phased-array Radars Using Active Antenna Elements Efficiency design principles for active antenna arrays are presented and discussed. A dual-antenna then is shown to be a design that easily implements the efficiency principles and also offers other advantages for radars. Jesse C. James Consultant Huntsville, AL An...
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Will the Real TNC Connector Please Stand Up?

A description of the various TNC connectors most commonly used today and the variations in interface dimensions that can cause compatibility problems
Will the Real TNC Connector Please Stand Up? Dave White Maury Microwave Corp. Ontario, CA The TNC has been, and still is, a very popular connector that is widely used today in many commercial and military applications due to its small size, rugged construction and good power-handling characteristics. Over...
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Self-synchronizing a CDMA Cellular Network

Synchronization of base transceiver station clocks in a CDMA network using normal over-the-air messaging
Technical Feature Self-synchronizing a CDMA Cellular Network Chuck Wheatley Please click here to view the pdf file of the Technical Feature...
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The Influence of Phased-array Antenna Systems on LEO Satellite Constellations

Some of the considerations that influence a low earth orbit (LEO) satellite constellation when a phased array is the antenna implementation of choice
The Influence of Phased-array Antenna Systems on LEO Satellite Constellations In this era of low earth orbit (LEO) satellite constellations, the phased array has become the antenna implementation of choice. Previously thought to be an expensive solution for satellite systems, the requirement to provide multiple beams makes the phased-array...
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An Integrated Microwave Measurement Test Tool

A spectrum analyzer, scalar analyzer and synthesized signal source in one instrument that has greater test capability that the individual test instruments
An Integrated Microwave Measurement Test Tool Guy Purchon, Bryan Harber and Tom McConnell IFR Ltd. Stevenage, UK The major instruments that form a microwave test bench have been combined into a single integrated test tool. The result is a one-unit solution to the problem of subsystem testing. This new...
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Around the Circuit

Around the Circuit INDUSTRY NEWS Microwave multifunction module designer REMEC Inc. , San Diego, CA, is planning to acquire UK-based Airtech plc , a supplier of coverage enhancement products for wireless mobile communications networks, for approximately $32 M in REMEC common stock. The transaction is subject to Airtech shareholder...
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New Literature

New Literature Coaxial Cable Installation Accessory Catalog This catalog details cable installation accessories, lightning protection products (including the company's SureGround™ and SureGround Plus™ series grounding kits) and value-added services. Installation aids and new services for installers also are described. Andrew Corp., Orland Park, IL (800) 255-1479. Capability Brochure This...
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News From Washington

News From Washington $400 M GPS Signal Enhancement Program Announced As reported in Global Positioning and Navigation News, a new six-year, $400 M initiative has been included in President Clinton's budget to modernize the Global Positioning System (GPS) and add two new civil signals to future GPS satellites. The...
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International Report

International Report New UK Military Communications Satellite Launched This past February, the UK's SKYNET 4E military communications satellite was delivered into orbit by an Ariane 4 launch vehicle. The satellite is the second SKYNET 4 Stage 2 vehicle to be launched. (The first vehicle, SKYNET 4D, was launched in...
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The Commercial Market

The Commercial Market Reports Forecast Global Mobile Telephony/DTH Satellite Service Growth Baskerville Communications Corp. has released a new report, "Global Mobile Forecasts," which offers a highly detailed discussion of worldwide mobile telephony growth by region. Noting that the number of global mobile subscribers has tripled between 1995 and 1998...
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