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UPSs Possess High Input Power Factor

November 14, 2008 9:49 am | Comments

Yielding an input voltage range from 160 VAC to 280 VAC, Staco Energy Products’ UniStar P Series single-phase parallel redundant UPSs exhibit an input power factor of up to 0.99 and an input current THD of <5% at 100% linear load from 45 Hz to 65 Hz. The devices uses an ECO operation mode to supply power to load via bypass utility, automatically transfer to inverter supply if the bypass utility becomes out of tolerance, and offer AC/AC efficiency of up to 98%. The units include a

Image Sensor Demonstrates Early Warning Road Safety

November 14, 2008 9:07 am | Comments

Designed for automotive front vision applications, Melexis’ MLX75307 CMOS image sensor proactively alerts the driver of potential dangers. The component utilizes a pixel matrix capable of extending the input and output dynamic ranges, and a low-light response boost. Using the EMVA1288 standard, the 12-bit performance is said to be limited by shot noise at

Software Interface Standard Targets Cortex-based MCUs

November 14, 2008 8:20 am | Stmicroelectronics | Comments

Enabling consistent software interfaces to the processor for silicon vendors and middleware providers, ARM’s ARM Cortex Microcontroller Software Interface Standard (CMSIS) vendor-independent hardware abstraction layer is designed for the Cortex-M processor series. The offering allows silicon vendors to focus their resources on the differentiating peripheral functions of

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OCXO Exhibits Low Aging

November 14, 2008 7:17 am | Comments

Presenting stability of >±8 ppb, Vectron International’s C4500A1-0115 5-GHz SC-Cut oven-controlled crystal oscillator (OCXO) demonstrates aging of <50 ppb over 6 years. The 10-mm component fits in 20 mm² THT enclosures in base station and SDH/SONET applications, and offers LVCMOS and sine wave output. The product yield typical phase noise of -100 dBc/Hz at an offset of

Data Logger Performs Over 32K Temperature Readings

November 14, 2008 6:45 am | Comments

Plugging into a female thermocouple receptacle at the base of the unit, Omega Engineering’s OM-EL-USB-TC thermocouple data logger measures and stores over 32,000 temperature readings from type J, K, or T thermocouples. The device allows the user to set up the initial

PSU Conforms to Military EMI Standards

November 14, 2008 6:10 am | Comments

Offering EMI performance to MIL-STD 461E/F standards, conducted and radiated, for emissions and susceptibility, the MCM series of rugged, metal-cased convection cooled power supplies from XP Power has been developed using commercial off the shelf (COTS) materials. Within the series, five models are available, providing output voltages of

Cables Improve Signals Over InfiniBand

November 14, 2008 5:52 am | Comments

Intended for InfiniBand, 10 Gigabit Ethernet and 40 Gigabit Ethernet applications, GORE QSFP Copper Cable Assemblies improve signal reliability at speeds over the standard InfiniBand QDR data rate of 10 Gbps/channel. For DDR (5-Gbps), it ranges in diameter from 5.46-mm to 9.02-mm and the maximum length for DDR IB is from 4-m to 10-m. For QDR (10 Gbps), the diameter is similar. There is no increase in EMI emissions through

Servo Gear Motors Deliver Wide Torque Range

November 14, 2008 4:29 am | Comments

Combining with planetary geartrains, Dynetic Systems’ family of NEMA 23 and 34 integrated brushless PM servo gear motors provide gear motor torque values from 26.5 lb/in. to 198 lb/in. and from 224 lb/in. to 633 lb/in., respectively. Single-, dual-, and three-stage geartrains exhibit 10 gear ratios ranging from 16:1 to 1,012:1. The motors offer IP 65 or IP 67 configurations, a bearing bore design for damping noise, and Neodymium magnets. The devices interface to sinusoidal drives from

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DSP Library Operates in MCUs

November 13, 2008 11:32 am | Stmicroelectronics | Comments

Coded in C or assembly language, STMicroelectronics’ STM32 MCU DSP library provides a PID Controller, Fourier transform functions, and digital filters including 16-bit FIR, IIR, direct-form, and IRR canonical-form filters. Multiply-accumulate or hardware divide operations can execute within 2 cycles, and demos running on the microcontroller have performed a 256-point 16-bit radix-4 Fast Fourier Transform (FFT) in 362 µs. The libraries can be used with IAR, Keil, and

Stereo Audio Codec Delivers 94 dBA SNR

November 13, 2008 10:37 am | Comments

Adding to the emPowerAudio family, Nuvoton Technology’s WAU8822 stereo audio codec demonstrates 48-kHz stereo DAC SNR of 94 dBA and 48-kHz stereo ADC SNR of 93 dBA. The 5 mm² 32-lead QFN-packaged component exhibits DAC THD of -84 dB, ADC THD of -80 dB, speaker drive capability of 900 mW, and standby current consumption of 6 µA. The unit drives

Connectors Accommodate 300 Contacts

November 13, 2008 10:05 am | Comments

Coming in wall mount receptacle and plug shell styles, ITT Interconnect Solutions’ KJA 300 Series MIL-DTL 38999 connectors display the ability to accommodate 300 size 22D contacts in a single package. The devices are appropriate for military communications systems and combat vehicles, ground support networks, avionics, and test equipment. The components contain EMI shielding, gold-plated contacts, rear release crimp contacts, and wire sealing

DC/DC Buck Converter Supplies 600 mA

November 13, 2008 9:29 am | Comments

Suiting single Li-ion cell or triple AA cell applications, austriamicrosystems’ AS1324 DC/DC buck converter delivers 600 mA from an input voltage range from 2.7 V to 5.5 V. The 5-pin TSOT23-packaged component displays a duty cycle capability for low dropout, an adjustable variant allowing an externally-set output voltage from 0.6 V to VIN, and a switching frequency of

DC/DC Converters Yield Wide Input Voltages

November 13, 2008 9:03 am | Murata Power Solutions Inc. | Comments

Offering 4:1 inputs, Murata Power Solutions’ UEI 50-60W Series DC/DC converters exhibit input voltage ranges of from 9 VDC to 36 VDC and from 18 VDC to 75 VDC. The 1.55” × 2” × 0.40” devices deliver fixed output voltages from 3.30 VDC to 15 VDC that are regulated to within ±0.05% and can be trimmed within ±10% of nominal output. The RoHS-compliant units

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Engineering Kit Assists in LED Lighting

November 13, 2008 8:25 am | Osram Opto Semiconductors | Comments

Including an OSTAR LED and components from LED Light for You (LLFY) partners, OSRAM Opto Semiconductors’ LED Engineering Kit helps users gain practical knowledge of LED lighting. The product also consists of 2 reflectors from Fraen with medium and narrow beam angles, and 3 lenses from Ledil (a wide-angle lens, a spot lens, and a cat’s eye for side deflection). The kit contains

TVS Array Withstands 100 A Surges

November 13, 2008 7:16 am | Comments

Protecting sub-micron transceivers against GR-1089 level lightning pulses on high-speed data lines, Semtech’s TClamp2502N transient voltage suppressor (TVS) array endures surges of 100 A. The 2.6 mm × 2.6 mm × 0.5 mm SLP-packaged component is rated to 2.5 V, and guards against electrostatic discharge (ESD), cable discharge events (CDE), and electrical fast

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