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Industry News

Washington

NEWS FROM WASHINGTON DARPA Invites Proposals for Innovative Electronic Warfare Technologies The Defense Advanced Research Projects Agency (DARPA) has released two solicitations for creative approaches to develop and demonstrate low powered, distributed radio frequency spectrum-monitoring technologies. The program, known as "WolfPack" and valued at more than $40 M, is...
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WORKSHOPS & COURSES

WORKSHOPS & COURSES Microwave Antenna Measurements Short Course * Topics: Design, use and evaluation of anechoic chambers, far-field, near-field and compact ranges, techniques for the determination of antenna radiation patterns, directivity, gain, polarization and impedance, phased array testing and alignment, radar cross-section measurements, and radar imaging techniques. * Site:...
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Cost-effective Solutions for High Density Interconnect and RF Modules Using Low Temperature Cofired Ceramic Materials

Benefits of low temperature cofired ceramic materials on portable wireless applications
PRODUCT FEATURE Cost-effective Solutions for High Density Interconnect and RF Modules Using Low Temperature Cofired Ceramic Materials DuPont Microcircuit Materials Research Triangle Park, NC C urrently, the most significant driver for packaging and high density interconnects is wireless communications. Figure 1 illustrates the projected regional growth of wireless subscribers...
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High Linearity SSPAs for 2.3 to 2.7 GHz Applications

An introduction to small, high efficiency, ultra-linear solid-state power amplifiers
PRODUCT FEATURE High Linearity SSPAs for 2.3 to 2.7 GHz Applications Stealth Microwave, a division of SSB Technologies Inc. Trenton, NJ T he demand for high speed data transmission is on the rise. Thanks to the Worldwide Web, data transmission has become the fastest growing segment of the telecommunications...
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A 10 MHz to 46 GHz Microwave Spectrum Analyzer for Testing Wireless Backbone Links

An introduction to the model 6845 10 MHz to 46 GHz microwave spectrum analyzer with a full bandwidth, independently-controlled tracking generator
PRODUCT FEATURE A 10 MHz to 46 GHz Microwave Spectrum Analyzer for Testing Wireless Backbone Links IFR Systems Inc. Wichita, KS T he growth of the wireless market at higher frequency bands means that approximately half of all radio links manufactured are above 30 GHz. The 38 GHz band...
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Enhancement/Depletion Mode InGaP/AlGaAs PHEMT for High Efficiency Power Amplifiers

Demonstration of an enhancement/depletion mode InGaP/AIGaAs PHEMT for various wireless system power amplifiers operating from 2 to 7 V
TECHNICAL FEATURE Enhancement/Depletion Mode InGaP/AlGaAs PHEMT for High Efficiency Power Amplifiers An enhancement/depletion mode InGaP/AlGaAs power pseudomorphic high electron mobility transistor (PHEMT) is demonstrated for various single- and dual-supply high efficiency power amplifiers. This technology utilizes the excellent etch selectivity and surface charge screening properties of InGaP material. At...
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A Fully Integrated Dual-frequency Push-push VCO for 5.2 and 5.8 GHz Wireless Applications

Description of a single push-push VCO circuit with 3.5 and 7 GHz outputs for wideband wireless applications
TECHNICAL FEATURE A Fully Integrated Dual-frequency Push-push VCO for 5.2 and 5.8 GHz Wireless Applications A fully integrated dual-frequency voltage control oscillator (VCO) for 5.2 and 5.8 GHz wireless local area network (LAN) application, providing not only a high frequency local oscillator (LO) signal to transceiver mixers but also...
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A 3 V Small Chip Size GSM HBT Power MMIC with 56 Percent PAE

A three-stage 56 percent power added efficiency InGaP/GaAs hetero-junction bipolar transistor power MMIC for use in Global System for Mobile Communications applications
TECHNICAL FEATURE A 3 V Small Chip Size GSM HBT Power MMIC with 56 Percent PAE This article describes a three-stage 56 percent power added efficiency (PAE) InGaP/GaAs hetero-junction bipolar transistor (HBT) power MMIC for use in Global System for Mobile Communications (GSM) applications at 900 MHz. An output...
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Design of Coplanar Power Amplifiers for Millimeter-wave System Applications Including Thermal Aspects

Design issues in the thermal management of coplanar MMIC power amplifiers, including transistor geometry, chip size and mounting conditions
TECHNICAL FEATURE Design of Coplanar Power Amplifiers for Millimeter-wave System Applications Including Thermal Aspects Because of the poor thermal conductivity of GaAs, successful power MMIC amplifier design in coplanar technology requires careful thermal considerations. The influences of the active device geometry and mounting conditions have been investigated theoretically and...
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A Low Cost, Cavity Stabilized 5.8 GHz Oscillator Realized in LTCC

A cost-effective, highly stable 5.8 GHz FET oscillator realized in LTCC with an integral cavity resonator
TECHNICAL FEATURE A Low Cost, Cavity Stabilized 5.8 GHz Oscillator Realized in LTCC To achieve high stability and low cost, a 5.8 GHz FET oscillator was realized in the low temperature, cofired ceramic (LTCC) medium, with an integral cavity resonator. The oscillator exhibits an average 0.23 MHz/°C drift over...
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