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Industry News

Automated Test and Data Management

Spartan Automated Test and Data Management is a value-added software application for automating the measurement and evaluation of electrical performance parameters of RF and microwave components, subsystems and systems. Spartan adds value to the organization through efficient test automation and a built-in data management system. Although the initial test...
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Understanding the Operation and Test of a Bluetooth Enhanced Data Rate Radio

Bluetooth® wireless technology is a short-range communication system intended to provide connectivity of voice and data between information appliances. Bluetooth enables point-to-point and point-to-multipoint networking without the need for a formal wireless infrastructure. Two or more devices sharing the same wireless channel form an ad-hoc network or piconet. With...
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Design of a Dual-band Ring Printed Antenna Array

In this article, a novel design is proposed for a linear printed antenna array with ring radiating elements, able to operate over a wide operating band at X- and Ku-band. The simulation was conducted using Agilent ADS and Momentum software. The printed...
With recent advances in telecommunications, the use of microstrip antennas is increasing for a wide range of modern microwave systems. This is mainly due to the features of microstrip antennas: low profile, lightweight, conformable to nonplanar surfaces, and easy and inexpensive mass production. They are well suited for integration...
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Synthesis of a Planar, Coupled-line Marchand Balun with Emphasis on Balance

The Marchand balun may be one of the most popular forms of microwave balun used to generate a balanced signal. In particular, the planar coupled-line Marchand balun shows good compatibility with microwave integrated circuits (MIC) and monolithic MICs (MMIC). 1 Numerous studies about its design and analysis have been...
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Question of the Month Answers, April 5, 2006

Published May 8, 2006 In an effort to better combine the editorial content of our magazine with our newly developed and retooled on-line presence, we have decided to expand Harlan's RF and microwave engineering advice into a monthly feature that appears in Microwave Journal. Harlan has selected one question...
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Motorola Acquires Danish R&D Center

With the deal expected to be closed in early June, Motorola Inc. and BenQ have signed an agreement, under which Motorola will acquire from BenQ a state-of-the-art research and development center, associated development and test equipment, and a team of product development engineers in Aalborg, Denmark. The facility and...
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EADS Test & Services Acquires IFR

The military test and measurement market has entered a new phase with the news that EADS Test & Services has acquired IFR , based in Blagnac near Toulouse, France. The company specializes in software systems for aircraft management and Maintenance Information Systems in particular. Under the agreement IFR will...
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High Harmonic-rejection Matching Filters for Quad-band Power Amplifiers

In this article, matching filters for GSM amplifiers capable of providing large harmonic rejection are demonstrated using M/A-COM’s high Q GaAs MMIC technology. The matching filters are designed for the output of the quad-band (GSM 850/900/1800/1900 MH...
Recent advances in mobile phone RF modules have been made for the miniaturization and integration of components in such a manner that they can address all of the global standards. The stringent specifications for the different systems have to be met using inexpensive surface-mount plastic modules, which integrate diverse...
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JEM Engineering Builds Antenna for Space

JEM Engineering , a custom antenna design, manufacturing and testing services company, announced that it has co-engineered an artificially-evolved antenna with NASA , becoming the first of its type in space. The evolved antenna – mounted on three of NASA’s Space Technology 5 (ST5) satellites – was launched into...
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UHF RFID and Tag Antenna Scattering, Part I: Experimental Results

Basic antenna theory shows that the scattering cross-section of an antenna is often much larger than the physical cross-section of the metal wires from which the antenna is constructed. In the case of RFID tags, a large number of tag antennas may be present in close proximity to one...
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