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TEST EQUIPMENT Mechanically Refrigerated Thermal Platform This mechanically refrigerated thermal platform (MRTP) relies upon a closed-loop mechanical refrigerated cooling system that eliminates the need for expectorant-based, nonreusable refrigerants such as liquid nitrogen and liquid carbon dioxide. The unit utilizes a quiet and efficient mechanical refrigeration system that recirculates the...

SUBSYSTEMS C-band Frequency Converter Modules The MTS4000 series synthesized frequency converters can be used in a variety of applications such as redundant or simultaneous up/downconversion in a single 19" 1RU converter assembly. The modules measure 5.00" x 11.00" x 1.44" and cover both the standard and extended satellite bands...

SOFTWARE CDMA/PCS Library This library allows engineers to design, simulate and test end-to-end CDMA or PCS communication systems and is used with the company’s SystemView software for Windows ’95/NT. The library supports rate sets 1 and 2 as defined in the IS-95-A, IS-97-A, IS-98-A and J-STD-008 specifications. Provisions have...

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...