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Industry News

Specifications and Definitions for Quadrature Demodulators and Receiver Design Measurements

This article discusses the common and questionable definitions of the specifications for quadrature demodulators, including gain, intercept point and noise figure. Emphasis is on the mapping between single-tone measurement data and the modulated signal...
The quadrature demodulator is used in either heterodyne or homodyne receivers. In commercial communication receivers, the local oscillator frequency ranges from a few kilohertz to a few gigahertz. It is usual to test the individual part with a single tone to avoid the complexity of the baseband waveform. The...
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Reviewing the Basics of Suspended Striplines

Suspended striplines are widely used for several reasons. They provide high Q-factor, wide bandwidth and good temperature stability. This tutorial reviews some of the basic principles and new concepts for suspended striplines.
There are several reasons for the wide use of printed transmission lines. They are simple to produce, they operate over a wide bandwidth, and have small weight and dimensions. The earliest form of printed transmission lines was the stripline ( Figure 1a ). 1,2 The printed stripline consists of...
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Harris Corp. Selected for Phase 1 of US Army's WIN-T Program

Harris Corp. announced that it anticipates the award of a major subcontract from Lockheed Martin Mission Systems, Gaithersburg, MD, for the design and test of the wireless transmission system architecture as part of the three-year competitive down-select for Phase One of the US Army's Warfighter Information Network-Tactical (WIN-T) program....
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Northrop Grumman and Flarion Promote Scalable Homeland Security Wireless Network

Northrop Grumman Corp.'s Information Technology (IT) sector, a leading provider of advanced IT solutions, engineering and business services for government and commercial customers, and Flarion Technologies, the architect of a mobile broadband network technology for personal computing for data and voice using the industry standard Internet Protocol (IP), announced...
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Teledyne Wins $22 M Contract from Space and Missile Defense Command

Teledyne Technologies Inc. announced that Teledyne Brown Engineering Inc. has received a five-year, $22 M contract from the US Army's Space and Missile Defense Command, to continue the development of Teledyne's Missile Defense Systems Exerciser (MDSE). The contract contains provisions for five one-year award-term options, which, if exercised, would...
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Raytheon Awarded $11.4 M for Light Thermal Weapon Sight Production

Raytheon Co. has been awarded an $11.4 M contract by the US Army's Communications and Electronics Command for the production of the Light Thermal Weapon Sight (LTWS). Deliveries are set to begin in the second quarter of 2003, to be completed within one year. The LTWS is designed and...
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New Start FY2003 FCT Projects Highlight Rest-of-the-World Electronics

New starts for America's Fiscal Year 2003 Foreign Comparative Testing (FCT) programme highlight a range of rest-of-the-world electronics, the key elements of which are as follows: • Anti-jam Global Positioning System (GPS) antenna A US Navy effort to evaluate a Raytheon Systems Ltd. (UK) developed shipboard anti-jam GPS antenna....
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lSEVIRI to Help Nowcasting Meteorology

Successfully launched aboard the European Space Agency/European Meteorological Satellite's (EUMETSAT) Meteosat Second Generation (MSG)-1 satellite on 28 August 2002, the Astrium-sourced Spinning Enhanced Visible and Infra-Red Imager (SEVIRI) payload is set to radically upgrade the accuracy of nowcasting short-term weather forecasting for Europe, Africa and the Atlantic and Indian...
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Austrian and Siberian TETRA Contracts for R & S

German contractor Rohde & Schwarz (R & S) has announced that it has been awarded Terrestrial Trunked Radio (TETRA) system contracts by Russian crude oil supplier SIBNEF and the government of Austria. Taking these in the order given, SIBNEF is to be supplied with a turnkey R & S...
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Korea Selects BAE Systems RWR

South Korea has selected BAE Systems North America's Threat Warning and Defensive Systems business unit (Yonkers, NY) to supply it with 42 AN/ALR-56C(V)1 radar warning receivers (RWR) for use on the country's F-15K combat aircraft. Specifically configured for the F-15K, the ALR-56C(V)1 deal is valued at approximately US$58 M...
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