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Resistors Boast High Degree of Precision

July 16, 2008 10:46 am | Comments

Using "Z- foil" technology to reduce sensitivity to ambient temperature variations and applied power changes, the VSA101 axial Bulk Metal resistor improves stability by up to an order of magnitude compared to other resistor technologies. Features include an absolute TCR of ±0.05 ppm/°C from 0°C to +60°C

Supplies Target Medical Applications

July 15, 2008 10:28 am | Comments

Targeting applications such as automated pharmaceutical dispensers, blood analyzers, and gene/DNA analysis, Lambda’s SWS1000L Series of 1000-W AC-DC power supplies have UL, CSA, EN60950-1, EN50178, and EN/UL60601-1 approvals. The Class B EMI-performing devices yield an output

RFID Ferrite Coil for Hearing Aids Offers High Sensitivity

July 15, 2008 10:21 am | Comments

Offering high sensitivity and a low frequency range, the TC0902 from PREMO RFID is the latest addition to the Telecoil hearing aid systems sector. The 9 × 1.5 × 2-mm ferrite-core device

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Panel Potentiometer Offers Low Temperature Coefficient

July 15, 2008 8:38 am | Comments

Featuring a life of 500,000 cycles, the Sfernice P10L from Vishay Intertechnology is a miniature panel potentiometer with a temperature coefficient as low as ±150ppm/°C. Provided in a sealed IP67 package, the device can reduce the need for replacement parts.

Splitters Target Set-Top Boxes

July 15, 2008 7:40 am | Comments

Aiming at CATV set-top boxes with multiple tuners, ANADIGICS’ APS3608, APS3611, and APS3623 active splitters operate in products with Multimedia over Coax Alliance (MoCA) functionality such as multiple-tuner TVs, TV tuner cards, and broadband

Generator Operates With Low Distortion

July 14, 2008 11:23 am | Comments

Offering harmonic distortion of less than -54 dBc (Sine wave), Protek’s Model B8040FD DDS function generator uses a keyboard for entry of waveform parameters including Square, Pulse, Triangle, Ramp, Sine (x) x, Plus Noise, Exponential Up, and Exponential Down. The device has a frequency range

Eighth-Brick Operates at High Efficiency

July 14, 2008 7:58 am | Ericsson Power Modules | Comments

Offering 48 Vin at 97% efficiency for loads from 50% to 100%, Ericsson Power Modules’ PKB4302NG eighth-brick DC/DC bus converter supplies an output power of 300 W at 42 A in through hole and baseplate variations. The fixed ratio intermediate device yields an input voltage range from

Low-power, Zero-drift Instrumentation Amplifier Provides Accuracy and Extended Battery Life in Portables

July 14, 2008 6:21 am | Comments

Texas Instruments Incorporated introduced a low-power zero-drift instrumentation amplifier. The device is presented as having the lowest quiescent current and lowest input bias current versus competitive products, as well as desirable power-to-noise ratio, low offset voltage/drift and 1.8 V operation. The INA333 is suited for a variety of precision

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DC/DC Converters Yield 500 mA

July 11, 2008 8:25 am | Comments

Exhibiting maximum output currents of 500 mA, Aimtec’s AMSR-78Z Series DC/DC step-down converters yield an output voltage range from 1.50 to 15 VDC and input ranges (up to 6:1) extending from 4.75-34 to 18-34 VDC. The RoHS-compliant devices operate at full output power without heatsinking or forced-air cooling below

Enclosures Use IP65 End Panels

July 11, 2008 6:57 am | Comments

Operating with IP65 die-cast aluminum end panels, Hammond Manufacturing’s 1457 Series enclosures have availability with or without integral flanges with sealing using o-ring screw seals and closed cell polyethylene sealing gaskets. The devices are designed to house PCBs mounted horizontally into internal

Converter ICs Eliminate Secondary Feedback

July 11, 2008 6:13 am | Power Integrations | Comments

Reducing Power Supply Component Count by 30%, Power Integrations' LinkSwitch II Series AC/DC switched-mode power conversion ICs eliminate the need for optocouplers and all secondary-side CV/CC control circuitry as well as all control-loop compensation circuitry. Integrating all control and protection circuitry plus a 700-V MOSFET in an 8-pin package, the devices have a CV output tolerance of ±5% and

Encoder Possesses 13-Bit Resolution

July 10, 2008 9:37 am | Comments

Having a 13-bit (8192-count) per turn resolution, BEI Industrial Encoders’ Model L18 absolute encoder contains ASIC electronics, sealed bearings, and BEI’s code disk. The optically-based device comes in a 1.8” servo package in all-metal housing. The encoder is well suited for semiconductor fabrication

DC/DC Converter Provides 1 A

July 10, 2008 5:21 am | Comments

Yielding 1.0 A from a 2.5-V input using 3 external components, Maxim Integrated Product’s MAX8815A step-up DC/DC converter provides adjustable output from 3.3 V to 5.0 V or preset output of 5.0 V with an input ranging from 1.2 to 5.5 V. The 3-mm² 10-pin TDFN-packaged device has quiescent

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White SMT LEDs Deliver up to 1,800 mcd

July 10, 2008 5:19 am | Comments

Provided in a CLCC-2 flat SMT ceramic package 0.7-mm thick, the VLMW82 Series of white LEDs from Vishay have a thermal resistance of 20°C/W and an optical power output from 9,000 to 18,000 mcd. Offering a service life of approximately 50,000 hours, the InGaN devices have a 3.3 x 3.4 mm footprint and are optimized for display backlighting and other illumination applications.

Delta-Sigma ADCs Perform Precise Acquisition

July 9, 2008 11:19 am | Comments

Providing a simultaneous-sampling measurement system for demanding signal acquisition applications, two multi-channel, 16-bit, delta-sigma analog-to-digital converters (ADCs) from Texas Instruments operate with a 25-kHz bandwidth, a 2 µV/C offset drift and a SNR of up to 97 dB. The ADS1174 (4-channel) and ADS1178 (8-channel) ADCs have operating modes that allow for optimization of speed (52 kS/s) or power dissipation (7 mW/channel).

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