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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

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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

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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Vibration Motors Suit Silent Alert Apps

November 13, 2008 6:25 am | Comments

Coming in a coin-type form factor, Nidec Copal’s LBV10B-001 and LBV10C-001 brushless DC vibration motors target silent alert applications. The 10 mm (0.394”) OD × 3 mm (0.118”) thick LBV10B-001 model develops a vibration signal of 1.580 g with an input of 3 VDC and 80 mA, and demonstrates a stall current value of 93 mA. The 10 mm (0.394”) OD ×

Optic Temperature Sensor Accommodates up to 1,000°C

November 13, 2008 5:38 am | Comments

With sensitivity of 0.01-nm/°C (nominal), a fiber optic temperature sensor from Chiral Photonics covers a temperature range up to 1,000°C. The sensor was designed for applications ranging from weld monitoring and control, to turbine engine service and design. The sensing element is a monolithic glass fiber. It is not reliant on any moving parts or coatings and the sensor packaging can be tailored

Dual-channel DACs Designed for High-performance Apps

November 13, 2008 5:21 am | Analog Devices, Inc. | Comments

Integrating two DACs on a single device, eight TxDAC transmit digital-to-analog converters (DACs) from Analog Devices are designed for communications, industrial, instrumentation and other demanding high-performance applications. Dissipating 220-mW at their maximum sample rate, the AD911x series feature 2-mA full-scale output current. Each TxDAC integrates two 14-, 12-, 10- or 8-bit digital-to-analog converters

Controller Performs in Test Chambers

November 13, 2008 4:55 am | Comments

Utilizing Microsoft Windows CE .NET, Tidal Engineering’s Synergy Nano environmental test chamber controller fits in ¼ DIN controller-equipped test chambers and ovens. The 3.78” (W) × 3.78” (H) × 3.94” (D) unit works in environmental applications such as temperature, humidity, vibration, altitude, highly accelerated life testing (HALT)/highly accelerated stress screening (HASS), thermal shock, and thermal vacuum testing processes. The 1-lb instrument’s logic automatically selects

Flash Memory Targets Embedded Apps

November 12, 2008 11:04 am | Comments

Suiting set-top boxes and telecom equipment, Numonyx’s Numonyx Axcell M29EW 65-nm NOR Flash memory meets the code and data reliability needs of the embedded market. The 14 mm × 20 mm TSOP56- or 11 mm × 13 mm FBGA64-packaged product family offers densities from 4 Mb to 128 Mb and from 256 Mb to 2 Gb;  access time from 90 ns to 100 ns asynchronous, and

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MCUs Integrate Flash Memory

November 12, 2008 10:31 am | Renesas | Comments

Performing in automotive body and chassis control applications, Renesas Technology’s M16C/5L and M16C/56 16-bit MCU groups offer 96 KB, 128 KB, or 256 KB Flash memory in the 80-pin package, and 64 KB, 96 KB, 128 KB, or 256 KB Flash memory in the 64-pin package. The components exhibit 16 KB of independent user Flash memory for storing programs for

Emergency Stop Switches Exhibit Small Panel Depth

November 12, 2008 9:50 am | Comments

Offering illuminated or non-illuminated mushroom cap diameters of 25 mm, 30 mm, and 40 mm, Johnson Electric's TH-Contact TE1 emergency stop switches present panel cut outs of 16.2 mm panel or 22.5 mm with an adapter option. The units provide 1 NO (normally open) and 1 NC (normally closed), or 2 NC, switching functions, as well as a rotary reset mechanism and

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