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MATERIALS Low Frequency Absorbers The RFSW series low frequency absorbers are thin magnetic elastomeric sheets supplied with a pressure-sensitive adhesive for quick installation to an RF cover or circuit. The absorbers can be supplied in flat sheets or die cut to individual pieces to reduce the cost of production...

News From Washington ATC Beacon Interrogator Competition Begins Next Phase The Lockheed Martin/Northrop Grumman team has been selected by the Federal Aviation Administration (FAA) as one of two contractors to demonstrate and test a new civilian secondary radar system as part of the FAA’s Air Traffic Control Beacon Interrogator...

International Report Rohde & Schwarz Launches Detector System/Wins Mobile Radio Network Order Germany-based contractor Rohde & Schwarz has launched a mobile telephone detection system and has been awarded a substantial Chinese order for its model TS9955 coverage measurement system. The 80 g Mobifinder mobile telephone detector is designed to...

Commercial Market US Electronics Sales Rise 11 Percent in 1997 Electronic Industries Association data show that US factory sales of electronics equipment, components and related products totaled over $460 B in 1997, an 11 percent increase over 1996 sales. The telecommunications sector enjoyed the highest growth as its 1997...

The Book End Antenna Theory – Analysis and Design Constantine A. Balanis John Wiley & Sons Inc. 941 pages plus software; $92.95 This book’s main objective is to introduce the fundamental principles of antenna theory and apply them to antenna analysis, design and measurement. This second edition contains new...

A Dual-band AMPS/PCS Duplexer K&L Microwave Inc. Salisbury, MD Competition in the mobile wireless marketplace has become intensely competitive, particularly with the worldwide deployment of the digital communication system (DCS), personal communications service (PCS) and satellite networks. Wireless service providers have responded by making available nationwide (or international, as...

A Three-dimensional EM Field Solver for High Frequency Applications Structural Research & Analysis Corp. Los Angeles, CA Until recently, designing RF, microwave and mm-wave circuits and components using electromagnetic (EM) field simulators was a luxury for the majority of engineers working in these fields. Today, thanks in part to...

An Active Physical Device Simulator HP Eesof Santa Rosa, CA Circuit designers have enjoyed the benefits of sophisticated simulation tools for some time. However, these simulation programs are limited to circuit optimization and characterization and are forced to describe the active device by means of established or measured equivalent...

A 2.2 to 2.4 GHz Dual 8 x 2 Switch Matrix Technical Research and Manufacturing Inc. (TRM) Bedford, NH One of the key components of a phased-array radar system is the RF switching network that directs the various RF signals to and from the respective antenna elements. This switching...

CDMA RFIC Upconverters QUALCOMM Inc. San Diego, CA Few products are on a faster track than today’s digital wireless handsets. Currently, the industry is scrambling to meet the demand for these improved telephones. As a result, component manufacturers must generate new devices that enable the handset manufacturers to design...