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Hybrid Couplers Target Wireless Band Applications

February 13, 2009 6:48 am | Comments

MECA’s 705 Series 3-dB, 90° hybrid couplers cover wireless band applications from UHF through UMTS (0.400 GHz to 2.200 GHz) with power levels to 500 W. The components are suitable for use as a duplexer for DAS head end systems or combining amplifiers for antenna sharing applications with high isolation. The units are equipped with

SMT Connector Exhibits 19.05-mm Mated Height

February 13, 2009 6:12 am | Comments

Designed for high-pin-count and high-density 1.27-mm pitch board-to-board applications, Advanced Interconnections’ B2B SMT connector has a mated height of 19.05 mm. The component offers 8- and 10-row configurations, from 240 to 500 positions, and a current rating of 3 A per pin. The unit employs screw-machined terminals with

Sixteenth-Brick Converter Challenges Eighth-Brick Devices

February 13, 2009 4:54 am | Comments

Aimed at existing sixteenth-brick users who want to power higher-demand applications without redesigning boards for larger products (eighth-brick), the sixteenth-brick PKU-B DC/DC module from Ericsson can deliver an output of 5 V at 20 A. Using a line-regulated half-bridge configuration with the control circuit on the primary side, the 8.3-mm high EN60950-rated converter operates at up to 92% efficiency with a power density as high as 312 W/in2.

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Interface IC Addresses Capacitive Sensors

February 13, 2009 4:39 am | Comments

Exhibiting a noise level of 30 aF, e2v’s CPIC2.0 interface IC enables acceleration, pressure, altitude, humidity, rain, level, and gas measurements in MEMS transducers with a base capacitance from 1 pF to 32 pF. The component contains a dual capacitor input enabling several configurations, including "Delta"Csens/"Sigma"Csens. The device embeds a temperature sensor and an EEPROM for storage of calibration parameters, temperature, and

LED Assemblies Offer Custom Brightness Options

February 13, 2009 3:51 am | Comments

Presenting blue, red, and green standard colors, Elma Electronic’s new line of LED assemblies can be customized to include different levels of indicating brightness for each LED within the same unit to meet a specific indicating goal. Customized colors, such as orange, amber, and white, are also available.  Most LED designs are

Amplifiers Based on Gallium Arsenide Technology

February 12, 2009 9:35 am | Comments

Based on gallium arsenide (GaAs) integrated circuit (IC) technology, five broadband power amplifiers from Teseq are intended for EMC testing environments with non-ideal load conditions. Operating from 0.8 GHz to 3.1 GHz and 2 GHz to 6 GHz, the amplifiers feature power levels ranging from 30 W to 450 W. All units are powered from a switched mode power supply

Pushbutton Switch Has Multiple LED Color Options

February 12, 2009 9:19 am | Comments

The LP1 series, an illuminated round pushbutton switch from E-Switch, features multiple LED color options of blue, green, red, white, and yellow. Features include: electrical life of 50,000 cycles; operating force of 250 +/- 100 gf; contact rating of 100 mA @ 30 VDC; contact resistance of 50 milliohms; insulation resistance of 100 Megaohms (Min. @ 500 VDC); and dielectric strength

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Module Enables PCIe Expansion

February 12, 2009 8:24 am | Comments

Consisting of a PCIe host card, cable, and chassis, Magma’s ExpressBox² (EB2) seamlessly expands the available PCIe slots of desktops, workstations, servers, and laptops. The unit supports communication bandwidth between host and

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Data Logger Measures Temperature/Relative Humidity

February 12, 2009 7:46 am | Comments

Performing over the 0%-to-100% RH and -35°C-to-80°C measurement ranges, Measurement Computing's USB-502-LCD standalone data logger measures and stores up to 16,379 relative humidity and 16,379 temperature readings. The LCD window shows measurements and logger status information, and a button enables

Diode Laser Delivers 500 W

February 12, 2009 7:13 am | Comments

At 976 nm, DILAS’ new fiber-coupled, multi-bar diode laser provides up to 500 W output through a cladding-mode-free QBH 400-µm core diameter fiber with a numerical aperture of <0.2 and WPE of >35%. The device can be packaged in up to 12-bar configurations, and only requires industrial water for cooling. The module demonstrates

Current-Sense Resistors Exhibit Low Resistance

February 12, 2009 6:45 am | Comments

Showing resistance shifts of <0.5% and < 0.25% for short time overloads, Stackpole Electronics’ BR Series bare-metal current-sense resistors exhibit resistance values down to 1 mOhm. The RoHS-compliant devices offer typ. inductance of =1 nH, sizes of 1 W, 3 W, and 5 W, TCR from 100 ppm to 20 ppm, and tolerances of

Mini Transistors Drive Portable Applications

February 12, 2009 5:14 am | Comments

Well-suited for portable battery-powered applications, the CMLT3820G (NPN) and CMLT7820G (PNP) Low VCE(SAT) transistors from Central Semiconductor are provided in an SOT-563 SMT package with a maximum profile of 0.6 mm. The NPN CMLT3820G has a VCE(SAT) of 115 mV at 100 mA, and 280 mV at 1.0 A, while the

Low-Power DDR2 Memory Targets Mobile Applications

February 12, 2009 4:24 am | Comments

Including 512-Mb and 1-Gb die to reach 4-Gb solutions, Micron Technology’s low-power DDR2 (LPDDR2) DDR2 memory portfolio performs in traditional handsets, smartphones, and mobile Internet devices (MIDs). The product operates at 1.2 V, which reduces the device’s memory power consumption as much as 50% when compared to LPDDR1, according to the company. The solution delivers data transferring speeds of

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Ultrasonic Sensor Addresses Car Reversing Aids

February 12, 2009 4:08 am | Comments

Generating asymmetrical beam patterns approximately ±80° about the horizontal axis and 40° about the vertical, LPRS’ Pro-Wave US040015 ultrasonic sensor meets the requirements of most car reversing aids. The component has 3

IC Innovators To Be Inducted Into the National Inventors Hall of Fame

February 11, 2009 9:46 am | Comments

Larry Hornbeck holds a series of patents that form the foundation for the digital micromirror device (DMD) — an array of tiny mirrors that create an image by directing pulses of “digital” light through a projection lens and onto a television, presentation, or movie theater screen. Now his work has earned a place in the limelight of the National Inventors Hall of Fame this May. This year, the Hall is recognizing the 50th anniversary of integrated circuit technology by

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