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Tube n 28 GHz TWT The model ITW-28GC-150WA 28 GHz, 150 W traveling-wave tube (TWT) is a high performance, single-beam unit for use in LMDS, wireless communications or satellite uplink amplifier service. The LMDS TWT features a coupled cavity circuit, which improves reliability over the traditional helix design used...

INTERNATIONAL REPORT Egyptian service provider Egypt Telecom, Cairo, Egypt, has contracted with a consortium comprising Thomson-CSF Systems Canada and Mackay Radio Systems Inc., Youngsville, NC, to provide the shore-based communications infrastructure for Egypt's national Global Maritime Distress and Safety System (GMDSS) as well as its public maritime correspondence network....

TECHNICAL FEATURE ACCURATE MEASUREMENT OF WIDEBAND MODULATED SIGNALS M.S. MUHA, C.J. CLARK, A.A. MOULTHROP AND C.P. SILVA The Aerospace Corporation El Segundo, CA   Phase and/or amplitude modulated signals are often used for information transmission in microwave communications systems. For simulating such a communications system, these types of signals...

Catalog Update Precision RF and Microwave Component Catalog This 40-page catalog details instrumentation-grade adapters, precision attenuators and terminations, and high return loss connectors as well as the K Connector,® which offers coverage up to 40 GHz. Measurement components are also featured. Product photographs, specifications and application notes are provided....

News from Washington Pentagon Releases Leading US Military Contractor Rankings for 1999 According to a report issued by the Pentagon, Lockheed Martin Corp., manufacturer of the F-16 and other military aircraft and weapons systems, ranked first among US military contractors in 1999, receiving $12.7 B worth of prime contracts...

International Report Earth Observation Efforts Advance In unrelated moves, Franco-British contractor Matra Marconi Space (MMS) has acquired National Remote Sensing Centre Ltd. (NRSC) and US contractor Ball Aerospace and Technologies is expected to propose a free-flying, space-based synthetic aperture radar (SAR) to the US National Aeronautics and Space Administration...

Commercial Market Global Fiber-optic Coupler Market to Reach $1.75 B by 2008 According to a recent report from ElectroniCast, the global consumption of fiber-optic couplers is projected to increase to $1.75 B by 2008 as a result of rising quantity growth (partially offset by a continuing decline of average...

The Book End Feedback Control Systems Charles L. Phillips and Royce D. Harbor Prentice Hall 658 pages; $100 ISBN: 0-13-949090-6 This fourth edition has been updated to include the SIMULINK™ simulation program, a block diagram program used with MATLAB™ for the simulation of both continuous (analog) and discrete systems...

Klystron High Power Amplifiers for SATCOM Applications Communications & Power Industries (CPI), Satcom Division Palo Alto, CA A new family of C-band, Ku-band and direct broadcast satellite (DBS)-band compact GEN IV klystron power amplifiers (KPA) has been introduced. The new amplifiers incorporate a multistage depressed-collector (MSDC) klystron that allows...

A Low Loss Dielectric Resonator Filter for Cellular and PCS Applications Trilithic Indianapolis, IN Because of the growing need for increased capacity in cellular and PCS networks, low insertion loss and high out-of-band rejection are critical parameters for service providers to deliver cost-effective coverage. The use of complex digital...