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Industry News

3G is Poised to Take Over the Cellular World

A look at third-generation (3G) hardware and software, which are expected to significantly expand the range of available wireless options
September 1, 1999
3G is Poised to Take Over the Cellular World After much hoopla, third-generation (3G) hardware and software are finally preparing to become a reality at a global scale. Unresolved design and protocol questions are rapidly being addressed — but does anyone want a hand-held unit for the Internet? Ernest...
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Publish or Perish: It’s Not Just for Academics Anymore

Publishing as an important part of a successful professional career
September 1, 1999
Publish or Perish: It’s Not Just for Academics Anymore Harlan Howe, Jr. Microwave Journal Publisher/Editor The academic community has a long history of measuring the accomplishment of its members by their proclivity to publish and to base growth and advancement on the sheer quantity of those publications. “Publish or...
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Design Equations for Maximum Power Transfer in Back-to-back Stacked Microstrips

The design of noncontacting RF interconnections using a slot in the common ground plane for application in mulitlayered structures
September 1, 1999
Technical Note Design Equations for Maximum Power Transfer in Back-to-back Stacked Microstrips K. Rambabu, M. Ramesh and A.T. Kalghatgi Please click here to view the pdf file of the Technical Note...
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Understanding Phase-locked DRO Aspects

Phase noise considerations, a loop optimization procedure and a specific acquisition technique for phase-locked dielectric resonator oscillators (DRO)
September 1, 1999
Technical Feature Understanding Phase-locked DRO Design Aspects Avi Brillant Please click here to view the pdf file of the Technical Feature  ...
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RAWCON ’99 Conference Report

A recap of the 1999 IEEE Radio and Wireless Conference (RAWCON '99) held August 1-4 in Denver, CO
September 1, 1999
RAWCON ’99 Conference Report The 1999 IEEE Radio and Wireless conference (RAWCON ’99) was held in Denver, CO August 1–4, and proved to be a great success. This conference has evolved over the past few years into a very solid technical meeting, which emphasizes the interdisciplinary understanding of technologies...
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Components

September 1, 1999
Components Five-bit Digital Attenuator The model AD280-25 GaAs IC FET five-bit digital attenuator operates over the frequency range from DC to 2 GHz and features a least significant bit of 0.5 dB and a total attenuation of 15.5 dB. Bit values are 0.5, 1, 2, 4 and 8 dB....
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Sources

September 1, 1999
Sources Synthesized Telemetry Transmitter The ST400QF series airborne synthesized patented FEHER quadrature phase-shift keying (QPSK) telemetry transmitter doubles the information bandwidth (when compared to conventional PCM-FM) while utilizing class C power amplifiers, which maintain the power efficiency associated with standard FM transmitters. Available in 2, 5, 8 and 10...
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Systems

September 1, 1999
Systems Microwave Radios These microwave radio systems are designed for all frequency bands between 20 and 40 GHz and have a transmission capacity from 1.5 to 34 Mbps, satisfying both European and North American standards. Configuration, settings and surveillance take place remotely using a Web-based PC interface. Each microwave...
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Subsystems

September 1, 1999
Subsystems PCS-CDMA Repeater The model USRU-1900 compact, in-building PCS-CDMA repeater has an input level of –100 to –50 dBm and a gain of 60 dB. The compact, cost-effective unit offers low power consumption and easy installation. Ace Technology, Chatsworth, CA (818) 718-1534. Radio Modem Transceiver The model RF9600 radio...
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Test Equipment

September 1, 1999
Test Equipment Direct-sequence Spread Spectrum Board The model DEV6143 full-duplex-mode reprogrammable development board, in conjunction with the company’s SX043 and SX061, provides a prototype platform for users and allows designers to set up internal registers to perform a complete evaluation of an IC. The unit’s full-duplex mode consolidates the...
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