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Industry News

EuMW Chairman: Record Registration and Overflowing Conference Sessions

Microwave Journal
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"We could not have hoped for a better start to European Microwave Week,” Professor Chris Snowden, EuMW chairman, exclusively told the EuMW Online News Service . He added, "The Week is benefiting from record advance registration in all areas – the conference and the workshops, together with record numbers...
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Distortion Inherent to VNA Test Port Cable Assemblies

Paul Pino, W.L. Gore & Associates Inc. Elkton, MD
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Today’s modern vector network analyzers (VNA) are the product of evolutionary advances in technology that literally span decades — a marrying of the latest developments in microwave, integrated circuit and software technologies. To a great extent, the precise nature of vector network analysis results from its highly developed calibration...
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RF Power Detection: Measuring WiMAX Signals

Carlos Calvo and Matthew Pilotte Analog Devices Inc. Norwood, MA
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WiMAX, which offers high speed data access to large geographical areas — covering distances up to 30 km — is defined by the IEEE 802.16 family of standards. It uses orthogonal frequency division multiplexing (OFDM) to attain the high data rates. Consequently, the composite signal envelopes of the data...
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Novel Low Pass Filters Using a Defected Microstrip Structure

In this article, the stop-band characteristics of a novel defected microstrip structure (DMS) are studied and its application to a low pass filter is proposed. The equivalent circuit model of the unit defected microstrip structure is used to explain th...
Sheng Zhang, Jian-Kang Xiao, Zi-Hua Wang and Ying Li, Shanghai University Shanghai, China
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A novel defected microstrip structure (DMS), which behaves in a way similar to the known defected ground structure (DGS) unit cell, 1–10 is studied in this article. The unit DMS 3,4 is made by etching slots in the microstrip line, which then exhibits the property of rejecting microwaves at...
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Low Voltage Operation of GaAs Power Amplifiers

Joe Madden Avago Technologies San Jose, CA
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Next-generation mobile phones are capable of downloading music and video programming, displaying global positioning system (GPS) mapping and sharing high resolution photographs. These new applications are becoming increasingly popular as teenagers and others learn to manipulate photo and music files. Applications involving heavy display usage (such as mobile television)...
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Accurate Simulation of an X-band Frequency Synthesizer

This article describes the simulation and design of an X-band frequency synthesizer that can be applied to a micro-satellite transmitter system. The effects of the sideband’s spurious noise on the adjacent channels and the phase noise in each component...
Mohamed Kameche, Centre National des Techniques Spatiales (CNTS), Algeria
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Today’s transmitters for earth imaging micro-satellite systems demand higher communication quality and higher data rates to be capable of transmitting pictures or data with an appropriate quality, a higher frequency of operation and more channels per unit bandwidth. Low power consumption and small size are also required for this...
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MTI Wireless Announces Omni Directional Antennas

Microwave Journal
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MTI Wireless Edge , a leader in the development, production and marketing of high quality, low cost, flat panel antennas for fixed wireless and RFID applications, announces the availability of its new ultra low cost omni directional antennas in the ISM bands. The development of these antennas was specially...
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MILMEGA Designs Product to Meet Testing Requirements

Microwave Journal
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The recently released edition 3 of IEC 61000-4-3 outlines a new requirement for testing up to 6 GHz, presenting those EMC labs with an existing amplifier capability up to 3 GHz with a procurement challenge of how best to fill this gap. The new MILMEGA 2.5 to 6 GHz...
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Pascall Details Range of Multi-channel STALOs

Microwave Journal
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Pascall Electronics continues to develop its expertise of high performance oscillators and subsystems offering STALO designs from L- to Ku-band for RADAR applications. These will also be manufactured at the company's Isle of Wight facility in the south of England, UK. These units are designed and constructed to meet...
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Vitelec Announces New Connector Range at EuMW

Microwave Journal
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For the very first time, Vitelec Electronics , Johnson Components , Midwest Microwave and Thunderline-Z will be appearing at a trade event under the Connectivity Solutions banner of Emerson Network Power . Exhibiting at European Microwave Week, Manchester, 10-15 September 2006, Vitelec itself will also be announcing the availability...
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