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Content posted in July 2004
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Efficient audio is essential for low-power 3G mobiles
News & Analysis  
7/1/2004   Post a comment
Many of the design challenges in 3G mobile phones revolve around implementing additional functionality, such as videoconferencing, while prolonging or at least preserving battery life.
Solving High-Current LED Power Issues in Camera Phones
News & Analysis  
7/1/2004   Post a comment
One of the more popular features of modern cellular phones is a built-in digital camera capable of high-resolution still and video images.
Optimizing power-management IP integration in 3G SoCs
News & Analysis  
7/1/2004   Post a comment
The rapid proliferation of third-generation mobile phones challenges semiconductor companies to integrate as many analog, mixed-signal and digital functions into a single system-on-chip (SoC) as possible.
New bricks extend intermediate-bus options
Product News  
7/1/2004   Post a comment
Celestica's HUS42-096 half-brick and QUS20-120-NVDR quarter-brick DC/DC converters, part of the company's IBC series, are designed to optimize intermediate-bus architectures. The 460-watt HUS42-096 has a 5:1 input/output voltage ratio (the first half-brick of its kind, according to the company), and thus will provide 7 to 11 volts (often considered the "sweetspot" for highest overall system efficiency) from a 36- to 55-volt input. The QUS20-120-NVDR quarter-brick is the vertical-mount version of
Real-time video capture creates memory power concerns
News & Analysis  
7/1/2004   Post a comment
As carriers and content providers usher in the wireless lifestyle, handsets will undergo an unprecedented transformation. Video capture and 3-D gaming at VGA resolution and 6-megapixel image capture will all become commonplace in the next two years. All will consumer power.
Charge pumps offer low-power backlighting
News & Analysis  
7/1/2004   Post a comment
One drawback to the new suite of features being added to mobile phones is the higher current consumption for display backlighting. Color LCDs require white light to provide backlighting for the best clarity, and typical white LEDs consume substantially more current than the green ones used in first-generation mobile phones. A Semtech engineer offers this advisory.
DVD reference design provides one of the industry's lowest system bill of materials
Product News  
7/1/2004   Post a comment
Royal Philips Electronics announced its new Nexperia semiconductor reference design, offering one of the industry's lowest system bill of materials for DVD+RW video recorders.
Flexible 400mV reference a direct hit for portable medical equipment
Product News  
7/1/2004   Post a comment
Linear Technology says its new LT6650 is the lowest voltage series reference available. The device features a built-in rail-to-rail output buffer amplifier and ±1% guaranteed accuracy from -40°C to 85°C. The LT6650 is ideally suited for portable industrial and medical equipment, plus low power instrumentation.
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