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November 25, 2008 [Components] Multi-Tap Attenuators Save Board Space Designed to eliminate the use of multiple attenuator devices in attenuation switching functions, the MTAQ1225 multi-tap attenuator saves board space as well as inventory costs. The multi-tap attenuators are available with wire-bondable or solder terminations and measure 0.125 in. x 0.250 in. x 0.015 in... November 25, 2008 [Components] Tiny Surface-Mount GPS Antenna Delivers 80% Efficiency In the W3011/3011A surface-mount GPS antenna, designers can take advantage of what’s billed as the world’s smallest GPS antenna and the highest-performing antenna in its size category... November 25, 2008 [Components] Double-Layer Capacitor Sports Ultra-Low ESR The BestCap capacitor series now includes ultra-low ESR, double-layer devices with an expanded temperature range from -40º to 75ºC. Well suited for wireless applications, the capacitor series features high capacitance values and power pulse characteristics for high-current, short-pulse applications including... November 25, 2008 [Components] Bandstop And Cavity Filters Offer Tunable Center Frequencies Two series of bandstop and cavity filters offers center frequencies that can be re-adjusted by the user. All filters are tunable over a ±7.5% center frequency range with minimal change in bandwidth... November 25, 2008 [Components] SOT-227 Resistors Withstand Up To 4 kV AC The MHP150 through MHP600 Series of high-density power resistors is now offered in power ratings ranging from 150W to 600W. With their wide range of power ratings, these SOT-227 resistors lend themselves to high-voltage circuits in high-frequency amplifiers, pulse generators, power-supply snubbers, and other applications... November 25, 2008 [Components] 100-W Power Combiners/Dividers Link Multiple Antennas, Transmitters The H Series of 100-W Wilkinson combiner/dividers come in two-way, three-way, and four-way configurations for wireless applications between 400 MHz and 2.2 GHz. These combiner/dividers are well suited for systems applications that... November 25, 2008 [Components] WiMAX Base-Station Antennas Close Coverage Gaps A series of wideband WiMAX base-station antennas delivers single and double null fill capability for optimized coverage. The antennas’ design also allows for higher system performance by providing isolation specification... September 9, 2008 [Communications] WiFi-Based Positioning System Finds People In Emergencies June 16, 2008 [Test & Measurement] Test System Takes On 3GPP LTE Technology The Aeroflex TM500 LTE test platform is designed to address the challenges of 3GPP LTE (3G Long Term Evolution) network infrastructure development test and rollout. platform has Layer 1, Layer 2, and higher layer test features, and provides visibility into the lowest layers of the radio modem by June 16, 2008 [Test & Measurement] Software Option Analyzes Nonlinear Behavior of Active Components A software option adds nonlinear vector network analyzer (NVNA) capability to Agilent Technologies' PNA-X microwave network analyzer. With minimal external hardware requirements, the Agilent NVNA software effectively converts a June 16, 2008 [Devices & ICs] Mobile TV And Digital Radio Tuner Housed In An RF-Tested Die A new RF tuner from Maxim Integrated Products is a triple-band, dual-mode mobile TV and digital radio in a fully RF-tested die. It supports implementation of system-in-package (SIP) designs June 16, 2008 [Services] Shared Technology Deal Focuses On Mobile WiMAX Systems A joint technology collaboration between service-provider Global Mobile Corp. and NextWave Wireless Inc. is taking aim at the development of end-to-end mobile WiMAX systems for the global market June 16, 2008 [Components] GaN HEMT Transistors Designed For 5-GHz WiMAX Applications Two new gallium nitride (GaN) HEMT transistors from Cree Inc. are for use in WiMAX applications covering the 4.9- to 5.8-GHz frequency band. The new CGH55015F and CGH55030F transistors, which are in sample release, are specified to operate at up to 5.8 GHz June 16, 2008 [Communications] LTE Spectrum Bands Make Their Way Into Commercial Apps In deploying its initial products for the recently auctioned Long-Term Evolution (LTE) spectrum bands, Motorola Inc. will include products for the 700-MHz and 2.6-GHz spectrum bands to help operators increase coverage and capacity of their networks as they strive to meet the growing demand for mobile broadband services June 16, 2008 [Communications] Reflective Electro-Absorption Modulator Fills High-Bandwidth Architecture Gap In releasing what it terms the first commercial reflective electro-absorption modulator (R-EAM), CIP Technologies (CIP) hopes to provide developers of access network and other communications applications with the means to implement new system architectures June 16, 2008 [Components] Low-Capacitance Varistors Protect Antennas, Data Lines The AntennaGuard Series of low-capacitance multilayer varistors (MLVs) has been expanded to include a sub-1-pF version. Designed to provide a one-chip means of protecting high-speed digital interfaces, RF antennas, and RF amplifier circuits against May 30, 2008 [Test & Measurement] UWB WiMedia “Test Cookbook” Covers Version 1.2 Requirements The WiMedia ISO standard for high-speed ultra-wideband (UWB) wireless connectivity may offer efficient power consumption and high data rates, but its test requirements are some of the most complex among current wideband RF standards... May 30, 2008 [Test & Measurement] LXI Consortium Adds First Member And Product Certification From China RIGOL Technologies, maker of digital oscilloscopes, functional/arbitrary waveform generators, digital multimeters, and virtual instruments, has become the first LXI Consortium member from mainland China. The RIGOL DS1204B digital oscilloscope was certified in February 2008... May 30, 2008 [Industry News] TriQuint Semiconductor Acquires WJ Communications TriQuint Semiconductor, RF semiconductor manufacturer and foundry services provider, announced the completion of its acquisition of WJ Communications Inc. WJ Communications supplies RF products for wireless infrastructures... May 30, 2008 [Communications] Spirent Communications and Agilent Technologies Will Join EGPS Forum Agilent Technologies and Spirent Communications will join CSR and Motorola in the EGPS Forum, an open industry forum for evaluating and fostering enhanced Global Positioning System (EGPS) technologies. Working with CSR, each company has created a building block of a system that can simulate both GPS and cellular signals...  prev. page
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