RF & Microwave Industry News

International Report

International Report ESA Horizons 2000 Programme Moves Forward The European Space Agency's (ESA) Horizons 2000 long-term scientific research programme has moved a step forward with the recommendation from its Industrial Policy Committee that Matra Marconi Space be awarded a design and development contract for the Agency's Mars Express spacecraft....
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Commercial Market

Commercial Market Iridium Debuts Global Satellite Telephone Service Iridium LLC has initiated commercial service on the world's first hand-held global satellite telephone and paging system. The system offers users the ability to communicate from virtually anywhere using one telephone and one number with one monthly bill. The Iridium system,...
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The Book End

The Book End Tracking and Kalman Filtering Made Easy Eli Brookner John Wiley & Sons Inc. 477 pages; $74.95 Radar tracking and Kalman filtering need not be intimidating and difficult to understand; This book presents the subject in a clear and concise manner, making it much easier to grasp....
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A DC to 35 GHz mm-wave MMIC Package

A Di-Pak packge that offers a solution to testing die at functional RF power levels
A DC to 35 GHz mm-wave MMIC Package Dielectric Laboratories, a Dover Technologies company Cazenovia, NY One of the potentially gating issues for implementing MMIC die in high volume commercial and consumer markets is the determination of known good die. It is difficult to reliably RF test the die...
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A Miniature SPDT Switch for Hi-rel Space Applications

A single-pole, double-throw (SPDT) elctromechanical switch that provides a long awaitedsolution for miniaturizing space equipment
A Miniature SPDT Switch for Hi-rel Space Applications Dow-Key Microwave Corp. Ventura, CA The trend toward component miniaturization is not new; it has already become prevalent in the commercial industry, especially in the wireless sector. However, the space industry is more conservative and, although there is good reason to...
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A Low Cost, 1200 MHz Frequency Synthesizer

A new synthesizer that operates over the 1 to 1200 MHz frequency range and offers fast switching, low phase noise and a competitive pric is featured on this month's cover
A Low Cost, 1200 MHz Frequency Synthesizer Programmed Test Sources Inc. (PTS) Littleton, MA As wireless production expands, test systems requiring high performance LO sources are proliferating. To address the price pressures found in the wireless market, a new low cost synthesizer that features fast switching and low phase...
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Dual-band GSM/PCS Handset Antennas

A new dual-band antenna set that uses a descending- pitch helical configuration to overcome the problem of a helical antenna tuned and matched to the PCS at 1800 MHz that has too much of a capacitive component at GSM frequencies
Dual-band GSM/PCS Handset Antennas Ace Antenna Co. Chatsworth, CA Today's new cellular telephone must be capable of operating in two distinct frequency bands to be compatible with the various operating systems it is likely to encounter. As a result, the unit's single-handset antenna must perform efficiently and effectively within...
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A 2 kW Solid-state Pulse Amplifier

A stand-alone, 19-inch, rack-mount power amplifier system capable of amplifying RF pulses to a level in excess of 2000 W peak power with five percent duty cycle
A 2 kW Solid-state Pulse Amplifier Wavesat Te´le´com Inc. St-Laurent, Quebec, Canada The model WPA-129063-53PR solid-state power amplifier system is a stand-alone, 19" rack-mount unit capable of amplifying RF pulses to a level in excess of 2000 W peak power with five percent duty cycle (100 W average power)....
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Testing of Smart Antenna Systems

Key tests that can be performed on switched beam systems, which are considered the simplest, but most popular, smart antenna technologies
Testing of Smart Antenna Systems Smart antenna systems must be tested to verify the various claims made by the system designer and manufacturer. The tests should be performed primarily to evaluate the most and least successful functions of the system under consideration. Extensive testing should also establish the best...
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