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Industry News

A Pulsed-measurement Instrument for Device Testing

A recently developed pulsed-measurement instrument that measures the RF large-signal and DC characteristics of discrete GaAs FETs , high electron mobility transistors and integrated devices in GaAs MMICs
A Pulsed-measurement Instrument for Device Testing GaAs Code Ltd. Linton, Cambridge, UK For many discrete GaAs FETs, high electron mobility transistors (HEMT) and integrated devices in GaAs MMICs, the large-signal IV characteristics of the device at RF, microwave or mm-wave frequencies are very different from the DC characteristics. This...
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New Microwave Signal Generators that Adapt to Wide-ranging Tasks

A new signal generator family from Rohde & Schwarz that can create digitally modulated, multicarrier signals at frequencies up to 40 GHz
New Microwave Signal Generators that Adapt to Wide-ranging Tasks Tektronix Inc. Beaverton, OR Flourishing digital wireless technologies, in addition to bread-and-butter RF applications such as radar design and electromagnetic susceptibility testing, have created a need for simpler, more cost-effective RF signal sources. As a result, new solutions have emerged...
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SiGe Transistor Technology for RF Applications

An examination of SiGe and its relationship to standard bipolar an CMOS technologies
SiGe Transistor Technology for RF Applications Dilek Barlas, Gregory Henderson and Xiandong Zhang M/A-COM Lowell, MA Matthias Bopp and Andreas Schüppen Temic Semiconductors, an Atmel company Heilbronn, Germany Demand for mobile communications during the last decade has been driving the explosive interest for radio frequency integrated circuits (RFIC). The...
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A Wideband, Varactor-tuned Microstrip VCO

The design of a varactor-tuned VCO covering an octave frequency range up to 4 GHz and more
A Wideband, Varactor-tuned Microstrip VCO Matjaz Vidmar University of Ljubljana Slovenia When electrical tuning of an oscillator is required over a wide microwave frequency range, yttrium iron garnet (YIG)-tuned oscillators usually provide the widest frequency coverage as well as relatively low phase noise. While YIG-tuned oscillators generally provide a...
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Oscillator Stability Analysis

The argument that the standard criterion for determining the stability of oscillators is not neccessarily true and should be replaced by a Nyquist plot analysis
Technical Feature Oscillator Stability Analysis Michal Odyniec Please click here to view the pdf file of the Technical Feature...
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Millimeter-wave Radio Front Ends: The Present and the Future

An analysis of the available millimeter-wave point-to-point digital radio market and required technology both today and in the near future
Millimeter-wave Radio Front Ends: The Present and the Future Lamberto Raffaelli ARCOM Inc. Salem, NH Millimeter-wave (MMW) point-to-point digital radios have been in production for several years and, due to the high demand of rapidly deployable cellular telephone networks, their market is growing worldwide. This rapidly growing MMW wireless...
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Around the Circuit

Around the Circuit INDUSTRY NEWS David L. Sprague, a long-time contributor to the microwave industry in both management and editorial capacities, died March 20 following a tragic accident at his home in Agoura, CA. He was 51. Prior to forming Chaparral Labs in 1997, Sprague was VP of Microwave...
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New Literature

New Literature Programmable Electronic Load and Power Supply Catalog This 50-page catalog describes programmable electronic loads and programmable load banks as well as power supplies, including programmable switching DC, system programmable DC, custom-designed programmable DC and bench-top programmable DC versions. Product photographs and line drawings are included. American Reliance...
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News From Washington

News From Washington PAC-3 Missile Tested Successfully Preliminary data indicate that the PATRIOT Advanced Capability-3 (PAC-3) missile Seeker Characterization Flight (SCF) test was conducted successfully by the Ballistic Missile Defense Organization and the US Army at White Sands Missile Test Range. Test objectives included data collection as well as...
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International Report

International Report Siberian Trunked Radio Telecommunications System Moves Forward Following the completion of the first 800 km section of Russian utility provider Irkutskenergo's southern Siberian trunked radio telecommunications system in 1998, work has begun on completing the architecture. Covering an area of approximately 770,000 km 2 , the new...
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