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Industry News

Northrop Grumman Demonstrates New Synthetic Aperture Radar

Northrop Grumman Corp. has successfully demonstrated the capability to generate high-resolution, in-flight synthetic aperture radar (SAR) maps using the AESA (active electronically scanned array) radar being produced for the US Air Force’s F-22 Raptor fighter aircraft. “The flight tests, on board a company BAC 1-11 test bed aircraft, have...
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Harris Corp. Introduces First Multiband Radio for Federal Agencies

Harris Corp., an international communications and information technology company, introduced the first multiband land mobile radio that provides real-time interoperable communications for the growing federal public safety and homeland security market. Public safety communications interoperability has been identified by Congress, the National Governor’s Association, the US Conference of Mayors...
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Around the Circuit

Industry News A report released by national non-profit Connected Nation suggests that the US could realize an impact of $134 B annually from a modest increase in broadband adoption. The report details the potential state-by-state impact of legislation to accelerate broadband access and use. The Connected Nation report measures...
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New Waves: Test, Measurement and CAD

LTE Test Mobile Aeroflex has introduced the TM500 LTE test mobile designed to address the challenges of 3GPP LTE (3G Tong Term Evolution) network infrastructure development test and rollout. The TM500 LTE’s extensive Layer 1, Layer 2 and higher layer test features provide complete visibility into even the lowest...
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New Literature

RF Test Probes The new RF Test Probe catalog from Ingun Prüfmittelbau GmbH Germany is a unique and timesaving reference manual and therefore a global innovation on the radio-frequency market. The plug/jack register guides you to the recommended RF test probe for your application. With just one step, you...
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The Book End

Fundamentals of Vector Network Analysis Michael Hiebel Rohde & Schwarz • 419 pages; €68 ISBN: 978-3-939837-06-0 This book is ideal for beginners in the field of network analysis and supplements the highly specific information provided in operating manuals, application notes and academic papers. It can also serve as a...
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Career Corner

Impact of Technology Trends on the Microwave Engineer Job Market
Globalization and the emergence of commercial applications relying on electromagnetic science and technologies are increasing the demand for related microwave engineering skills. The mention of “Silicon Valley becoming a wireless industry hot spot” among the “top 10 wireless trends for 2008” published on CNNMoney.com supports this statement. More supporting...
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A High Linearity and Efficiency UHF RF Power Amplifier with Cartesian Feedback for Digital Modulation

A high linearity and high efficiency UHF, wide bandwidth RF power amplifier is presented. An adaptive bias technique is used to achieve linearity while preserving good efficiency. The bandwidth analysis and the wide bandwidth matching networks of the p...
Achieving high linearity while preserving high efficiency in a power amplifier is a real design challenge. A few approaches have been reported to achieve good linearity and high efficiency in a power amplifier. These techniques use envelope tracking of the input voltage and adaptive bias methods. Hanington, et al....
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