Tuesday, July 29, 2008

Link supplies 1119 solid-state high-power amplifier

The 1119 high-power amplifier is designed for mobile jamming applications. Link Microtek, a specialist supplier of RF and microwave components and subsystems, has announced a solid-state high-power amplifier module designed for use in military mobile jamming systems to counter the threat of IEDs. Manufactured by Empower RF Systems, the 1119...
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Keithley guide to wireless and RF testing

This CD contains useful and informative RF testing resources, including application notes, articles, white papers, and product demonstrations, to help engineers reduce their cost of test by simplifying and solving the most challenging RF measurement applications. The CD is available free of charge at www.keithley.info/rfhandbookcdAdvanced...
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Monday, July 21, 2008

Paralleling power supply outputs for redundancy

The highest reliability attainable in a single power supply is not nearly as good as that of a redundant power system, in which the outputs of two (or more) power supplies are connected so that - even if one were to fail - the other(s) would continue to provide uninterrupted power to the load But implementing redundancy is not as straightforward...
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AVX tantalum capacitor for TPM low ESR multianode series

AVX has added a high capacitance to its low ESR tantalum capacitor product range for TPM series (low ESR multianode). Key parameters of the new capacitor are a very low ESR of 18mOhm and a high capacitance of 2.200uF at 2,5V.  The capacitor is available in E case packages (EIA Code 7343). It is ready to be used with high-performance...
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Power Integrations TOP260LN, TOP261LN and TOP262LN family of offline switcher ICs

The small package combined with the best-in-class efficiency and high operating frequency of TOPSwitch-HX enables slim, compact, and lightweight power supplies from 20 to 100 watts. Applications include adapters for notebook computers, as well as power supplies for LCD monitors and flat-panel TVs, in which slim form factor and...
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Tough Laser Module

Photonic Products industrial laser modules are constructed to withstand harsh conditions and satisfy rigorous application demands. The modules are encapsulated in a hard-coat anodised case with a scratch-resistant sapphire window to protect the lens and offer rugged, durable performance...
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International Rectifier IRS260xD family of single-phase high voltage ICs

International Rectifier has released the IRS260xD family of single-phase high voltage ICs for motor drive applications including air conditioners, fans, pumps, micro, mini and general purpose inverter drives. These power Mosfet and IGBT drivers offer optional dependent or independent high- and low-side referenced output channels with a gate...
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picoChip surfing Wimax, Femtocell wave

picoChip, the Bath-based wireless start-up, is seeing a booming market for Wimax chips and an emerging femtocell chip market which should match Wimax for size next year. "picoChip is the largest supplier of silicon to the Wimax infrastructure industry and the only supplier...
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Wednesday, July 16, 2008

Renesas Technology R8C/Tiny Series 16-Bit MCUs grow by 36 models

These include the 80-pin R8C/38E group, 64-pin R8C/36E group, and the 48-pin R8C/34E group. Together they strengthen the R8C/Tiny Series line-up for in-vehicle automotive equipment applications. Available during October 2008, the MCUs feature on-chip flash memory, a built-in precision clock oscillator, and enhanced functionality, as well...
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Toshiba Electronics TB6588FG evaluation board speeds motor drive development

Toshiba Electronics Europe has expanded its family of motion control development platforms with a new evaluation board that will speed implementation of sensorless drives for three-phase brushless DC (BLDC) motors. The board is ideal for testing and prototyping drives for motion control applications requiring motor bridge voltages ranging...
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Tuesday, July 15, 2008

Quebec's EXFO develops industry-first carrier Ethernet test products

EXFO Electro-Optical Engineering Inc., Quebec, has developed test enhancements for its FTB-8510B/G and IQS-8510B/G Packet Blazer Gigabit Ethernet (GigE) and 10 Gigabit Ethernet (10 GigE) test modules. These now support Provider Backbone Bridge - Traffic Engineering (PBB-TE) and...
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Multi-Channel Transceiver Offers 5-km Range

With a 500-mW (+27 dBm) RF output power and a receiver sensitivity of –118 dBm (for 12 dB SINAD), the BHX2 multi-channel narrowband transceiver sports a range of up to 5 km. Standard operating frequency is 458.5 to 459.1 MHz, but factory-tuned custom versions can...
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L-Band VCO Features Low Second-Harmonic And Phase Noise

Operating in the L-band from 1560 to 1580 MHz, the CLV1570B-LF voltage-controlled oscillator (VCO) is well-suited for microwave radio applications that require superior second-harmonic suppression and very low phase noise. The device's tuning voltage range is 0.5...
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Allegro MicroSystems Europe A4935 automotive-grade 3-phase MOSFET pre-driver IC

The A4935 is targeted at the rapid growth in 3-phase brushless DC motor applications in the automotive and industrial sectors. This third-generation device includes enhanced performance and operational features, and is ideal for systems that use sinusoidal control of the motor phase currents. This commutation method provides smooth operation,...
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Monday, July 14, 2008

Tantalum capacitor achieves new CV ratings

High-capacitance cathode construction designed for harsh environments The TWA wet electrolytic tantalum capacitor features a patented high-capacitance cathode construction that enables previously unavailable CV ratings of 2,200 µF at 25 V and 1,000 µF at 60 V — exceeding...
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Rohde & Schwarz application firmware for Wimax MIMO measurements

Rohde & Schwarz has added a suite of application firmware for Wimax MIMO measurements in line with IEEE 802.16e-2005. The FSQ-K94 option is designed to run on the FSQ and FSG signal¬ analysers. It also supports a combination of several analysers for testing up to 4x4 MIMO systems. The application firmware can be used for testing semiconductor...
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Saturday, July 12, 2008

Alpha Micro MatchPort b/g Pro for remote secure control

Alpha Micro Components has added the MatchPort b/g Pro to its line of networking products. The MatchPort b/g Pro allows a range of machines to be managed and controlled remotely over a network with an added level of security. The secure embedded WiFi networking module features SmartRoam that continuously tracks the radio signal strength...
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Friday, July 11, 2008

High Reliability Tantalum

With the commercial power supply market increasingly aware of the need to minimize failure rates, as more of these products are being designed into high-end systems, demand has risen for different levels of enhanced-reliability, low ESR capacitors. In response, AVX has introduced...
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Maxim quad and dual sink-source current DACs for power-supply adjustment

Maxim has introduced quad and dual sink-source current DACs specifically designed for power-supply adjustment, the DS4422 and DS4424. Both are I2C-controlled with 7bit current DACs designed to control a DC-DC converter by sinking or sourcing current directly into the power supply's feedback node. "This control technique allows existing power-supply...
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Supertex Class-D driver for high power audio amplifiers

Californian high voltage chip firm Supertex has introduced a Class-D driver for high power audio amplifiers. "The MD7120 has been optimised for parameters critical to Class-D audio performance such as high efficiency and low EMI," said marketing v-p Ahmed Masood. "Additionally, this Mosfet driver provides up to a 3.A peak driving current...
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Nanoscale Lithographic Technology: Finer Lines For Microchip

MIT graduate student Chih-Hao Chang of the Department of Mechanical Engineering demonstrates the absence of light diffraction from a frequency-doubled grating on a 100 mm-diameter silicon wafer. The wafer is immersed in water to enable blue-light optical diffraction from...
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Wednesday, July 09, 2008

Silicon Storage 8051-based MCU with two system management buses

Silicon Storage Technology has added to its FlashFlex family of 8-bit microcontrollers with its first 8051-based MCU to feature two system management buses (SMBus), each supporting up to 400kbit/s data throughput, in a 6x6mm QFN package. The SST89C58RC supports operating voltages from 2.7V to 5.5V. According to the supplier, the dual hardware...
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Fairchild Semiconductor FOD07xx Series high speed logic gate Optocoupler

Fairchild Semiconductor brings designers optocoupler devices that deliver a fast and robust isolation interface to ensure low transmission error rates and proven reliability for noisy industrial environments. The FOD0721, FOD0720 and FOD0710 are logic gate optocouplers that isolate the logic control circuitry from the transceiver at...
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Renesas Technology high-frequency power MOSFETS

Renesas Technology's latest high-frequency power Mosfets, designed for use in the transmitter power amplifier of handheld wireless equipment, the devices achieve 60% added power efficiency in the RQA0010 at 3.6V and 55% in the RQA0014. In particular, when a two-stage amplifier is implemented by driving the RQA0010 with the output of the...
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