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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

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

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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

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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

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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Trimmer Provides Fixed Phase Shift

July 9, 2008 9:08 am | Comments

Providing a fixed amount of phase shift for adjusting coaxial cable electrical length, Narda Microwave-East’s Model 4572B phase trimmer provides phase adjustment of ±2° between 3 and 18 GHz. The 19-g

Magnet Bases Offer High Pull Strength

July 9, 2008 8:49 am | Comments

Delivering high pull strength, the B12 and B13 from Wilcoxon Research, are two magnet bases for developed for accelerometers. The B12 Model is a two-pole magnet base with a 7/8" (22 mm) diameter and 20 lbs. of force. The B13 Model is a two-pole magnet base with a 1" (25 mm)

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