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Three-Phase Power Supplies Yield High Output

February 25, 2009 7:33 am | Comments

Presenting an adjustable 24-VDC output voltage, Carlo Gavazzi’s SPD Series 3-phase switch-mode power supplies deliver outputs of 120 W, 240 W, 480 W, and 960 W. The DIN rail-mountable devices exhibit up to 93% efficiency, input voltage ranges from 340 VAC to 575 VAC and 480 VAC to 960 VAC, and

VCO Operates at 1,700 MHz

February 25, 2009 7:14 am | Comments

Exhibiting typ. phase noise of -120 dBc/Hz at 10-KHz offset, Crystek's CVCO55CC-1700-1700 VCO functions at 1,700 MHz with a control voltage range from 0.3 V to ~4.7 V. The 0.5” × 0.5” SMT component offers typ. output power of 2.5 dBm, input voltage of 5 V, max. current consumption of 25 mA, and typ. second

Development Kit Creates Wall-Wart

February 25, 2009 6:28 am | Comments

Said to draw <1/10 of the power of a typical PC being used as a home server, Marvell Semiconductor’s SheevaPlug development kit is small enough to plug directly into a wall socket. The platform uses a Kirkwood embedded processor based on an embedded 1.2-GHz Sheeva CPU equipped with 512-MB Flash and


Jet System Prints Cabon Nanotube Transistors

February 25, 2009 6:01 am | Comments

Optomec announced today that its Aerosol Jet system has been used to fully print Carbon NanoTube (CNT) based Thin Film Transistors (TFT) with operating frequencies over 5 GHz. The work was conducted in collaboration with the University of Massachusetts and Brewer Science. The results were recently published in APPLIED PHYSICS LETTERS (93, 243301 2008) with a paper titled “All [aerosol] jet-printed carbon nanotube thin-film transistor on a polyimide substrate with an ultrahigh operating frequency of over 5 GHz.”

Certess Announces C-Level Functional Qualification Tool

February 25, 2009 5:51 am | Stmicroelectronics | Comments

Certess today announced Certitude-C, the next generation of its functional qualification software product for companies developing SoCs or integrating intellectual property (IP) blocks using C. Certitude-C adds support for ANSI C to the capabilities of the original product, allowing functional qualification of both reference models and high-level representations of designs written in C.

EEPROM Devices Feature Lowest Operating Voltage on Market

February 25, 2009 5:33 am | Comments

With a 1.5 V rating for both Read and Write operations, a series of I2C EEPROM devices from Microchip is purported to have the lowest operating voltage available on the market. Operating current is below 400 microamperes. The devices feature an operating frequency of 100 kHz at 1.5 V, and are available in densities of

Tactile Switches Last to One Million Actuations

February 25, 2009 5:29 am | Comments

With an extended life to one million actuations, the KSC741 and KSC721 tactile switches from C&K Components are intended for high reliability applications. Current rating for the momentary action, SPST, normally open devices ranges from 1 mA to 50 mA for silver plating and 1 mA to 10 mA for the gold plating

Reference Design Creates Complete LCD Power System

February 25, 2009 5:16 am | Microsemi Corporation | Comments

Combining the main system power with the backlight inverter, the GreenPoint open reference design for LCD TV power supplies from On Semiconductor eliminates a complete power conversion stage, improving overall system efficiency, simplifying the design and reducing the bill of materials. The 180-W design meets IEC 61000-3-2 for harmonic content requirements, and exceeds global standby requirements with a typical standby power consumption of 400 mW with a 50-mW load.


Nanofabrication System Allows Immediate Characterization

February 25, 2009 5:05 am | Comments

Combining nanopatterning capabilities with AFM (atomic force microscopy) imaging, the DPN 5000 desktop nanofabrication system from NanoInk enables immediate characterization of the deposited patterns. Features include a scanner with closed-loop flexure technology and a low-coherence laser with a reduced laser spot size for lateral force imaging.

Backlight Light Guides Enable LCD Zone Control

February 25, 2009 4:54 am | Comments

Built to be user-addressable, Microlens-based LED backlight assemblies from Global Lighting Technologies can control each LED’s color and intensity to enable independent management of the brightness and the color of individual zones within the backlight. This feature can be used to achieve color fading, pulsing, or steady state illumination, and can be utilized in a wide array of consumer electronics displays

Touchscreens Rated for up to 35 Million Activations

February 25, 2009 4:38 am | Comments

Four- and five-Wire resistive touch screens from The Bergquist Company (available at Digi-Key) are rated for up to 35 million activations. The 4-wire screens are rated for 10 million single point activations, while the 5-wire is rated to 35 million. The 5-wire utilizes glass for both X- and Y-axis measurements

Current Sense Resistors Operate at up to 4 Watts

February 25, 2009 4:30 am | Comments

Featuring a flameproof surface mount design, the OARS-3 Series open-air current sense resistors from TT electronics IRC operate to power ratings of up to 4 watts. The resistors feature a resistance range from 2mW to 15mW, with tolerance to ±1% or ±5%. Inductance values are less than 10 nanohenries, with operating temperatures ranging from

Enclosures Enable Access to Aboveground Terminations

February 24, 2009 9:34 am | Comments

Designed to provide aboveground housing for sectionalizing, tapping, or terminating underground distribution systems, Hoffman’s Utility Junction (UJ) sectionalizing enclosures have a self-engaging wind stop that holds the cover in the open position for access to aboveground terminations. The single- or 3-phase devices include


400-W Power Module Demonstrates Active PFC

February 24, 2009 8:03 am | Comments

Targeting military, aerospace, and industrial applications, Martek Power’s MW400S 400-W AC/DC power module includes active AC PFC and a built-in EMI filter. The 6.5” × 8” × 1” converter accommodates a universal single phase input from 90 VAC to 265 VAC at from 47 Hz to 440 Hz. Line harmonics meet MIL-STD-1399 for

Training Library Aids Electronic Designers

February 24, 2009 7:50 am | Comments

Intended to help designers get up to speed on the latest technologies and solutions, Newark introduces a library of TechCast product training modules that helps designers select which key solutions to include, and then either collaborates with its suppliers to develop the content or produces original material itself, based on application notes and datasheets.



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