News

• Brushless DC vibration-motor driver 15/5/2008

  Allegro's A1444 and A1445 are low-voltage, full-bridge brushless DC motor driver ICs with integrated Hall commutation and internal PWM (pulse-width-modulation) speed control. For applications ....

  Software will “cut RF PCB design time in half” 10/4/2008

  Mentor Graphics and Agilent have announced a coupling of technologies that they claim will significantly improve productivity for the design of RF ....

  MEMS oscillators starting to displace quartz 28/3/2008

  Munich-based technology analysts WTC - Wicht Technologie Consulting has prepared a report on the market for devices that provide oscillator reference frequencies from silicon-based, as opposed ....

  LNAs for pico, femtocells 21/3/2008

  Avago Technologies designed its latest family of MMIC (monolithic microwave IC) low noise amplifiers (LNAs) for cellular and WiMAX infrastructure applications. The MGA-12516, 13516 and 14516 occupy ....

  Programmable-chip IP block boosts mobile images 14/3/2008

  Apical is a UK-based developer of image processing products; it has a technology it calls iridix that it designed to improve the viewability of images and video displayed on mobile device LCD ....

  CSR hits $6 parts-cost for DSP Bluetooth headset 14/3/2008

  In the world of Bluetooth headset design, every cent of bill-of-materials counts; CSR has introduced its latest single chip solutions with BoM figures of $5 and $6 – the e-BoM, or cost of all the electronic ....

  Octal continuous-time sigma-delta ADC targets ultrasound and industrial applications 1/3/2008

  National Semiconductor claims it is the fi rst company to bring to market a high-speed, continuous- time sigma-delta converter. The 12-bit ADC12EU050 ....

  Audio chips target media-player phone handsets 1/3/2008

  Wolfson Microelectronics has followed its recent course of combining its high-quality-audiosignal- path expertise with powermanagement functions in mixedsignal ICs, and has produced a new series of ICs for the portable- ....

  MANAGING LITHIUM CELLS IN AN ELECTRIC-TRACTION DESIGN 1/3/2008

  In 2007, independently from the design that Jim Williams details in this article, Infi neon published an application note (Reference A) describing a multi-cell-battery-chargecontrol architecture for use in traction applications. ....

  Novel measurement circuit eases battery-stack-cell design 1/3/2008

  Automobiles, aircraft, marine vehicles, uninterruptible power supplies, and telecom hardware use series-connected battery stacks. These stacks of individual cells may contain many units, potentially reaching hundreds of volts. ....

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