Digital Potentiometers feature 1 percent accuracy Product News 7/31/2008 Post a comment Analog Devices introduced the digital potentiometer (digiPot) AD529x family with the industry's best resistor tolerance of just 1 percent, allowing designers of industrial and instrumentation equipment to meet tighter resistor matching requirements for improved system accuracy.
Reduce EMI in Class D Audio Applications Design How-To 7/30/2008 1 comment Class D amplifiers are the audio amplifier of choice for portable and power sensitive applications. Improvements to audio quality and EMI performance, have simplified designing with Class D amplifiers. Here is how to achieve shorter design cycles, lower system size and cost, and longer battery life in portables.
ST launches multi-channel clock distribution chip line Product News 7/29/2008 Post a comment STMicroelectronics announced the first six devices in a series of clock-distribution ICs, which it says are the first in the market to provide per-channel output-enable controls for precision clock management in embedded and handheld applications.
Double digit growth for WLAN and Bluetooth News & Analysis 7/29/2008 Post a comment Newly released forecasts from market research firm IDC indicate that wireless connectivity will remain a high growth opportunity for wireless semiconductor vendors as specifications for WLAN and Bluetooth continue to evolve.
Wolfson results signal uncertainty ahead News & Analysis 7/29/2008 Post a comment Leading mixed signal ic provider Wolfson Microelectronics reported second-quarter revenues up but profits down, and signalled a note of caution in its third quarter guidance, citing 'uncertain macro environment impacting customer demand patterns.'
ST, NXP close deal to create wireless JV Product News 7/29/2008 Post a comment ST-NXP Wireless is now a reality. STMicroelectronics NV and NXP BV have completed the deal, announced mid-April, bringing together their respective wireless operations into a joint venture company. Operations will start on Aug. 2 with a wireless product and technology portfolio.
Intersil acquires D2Audio Product News 7/28/2008 Post a comment Analog-chip maker Intersil Corp. has signed a definitive agreement to acquire D2Audio Corp., a supplier of digital audio power amplifiers.
Troubleshooting antenna and feeder problems Design How-To 7/28/2008 2 comments The antenna and feeder are probably the least reliable part of any radio system. Measuring the return loss using a dual directional coupler can assist in tuning and checking the antenna. This article explains what is involved in making measurements with a dual directional coupler, and what else to look out for.
Portable medical apps challenge low-power quest Design How-To 7/28/2008 Post a comment The demands for extended battery life, sufficient computational capability and a flexible man-machine interface (MMI) require the use of a DSP subsystem that is high-performance (both in terms of computation and signal conversion capabilities), ultra-low-power and flexible.
Low noise amplifier for GPS mobile phones Product News 7/27/2008 Post a comment Infineon Technologies has added to its portfolio with a high-sensitivity low noise amplifier (LNA) for GPS-enabled mobile phones. Bearing mobile phone design requirements in mind, the BGA715L7 has been optimised for high-sensitivity and immunity to interference of cellular signals.
Clock distribution ICs offer more control Product News 7/27/2008 Post a comment Claiming a market first for precision clock management in embedded and handheld applications by providing per-channel output-enable controls, STMicroelectronics has unveiled the first six devices in a series of clock-distribution ICs.
HDMI ESD protection compliance and design strategies Design How-To 7/26/2008 Post a comment For HDMI compliance, video components (DVD players, TVs, etc.) require system-level ESD protection and the ability to continue operation before, during, and after an ESD occurrence. But placing ESD protection on HDMI signals affects edge rates and trace impedances.
Western Digital acquires ST's HDD controller division News & Analysis 7/25/2008 Post a comment Western Digital (Lake Forest, Calif.), a manufacturer of computer hard disks, announced it has acquired the hard disk drive controller IP rights, design tools and design team from STMicroelectronics NV (Geneva, Switzerland). Financial details remained undisclosed.
Report: DisplayPort wins in PCs, HDMI gets TVs Product News 7/25/2008 Post a comment DisplayPort will supplant VGA and the emerging High Definition Multimedia Interface in PCs after 2010, but HDMI will retain the lion's share of external links on digitial TVs and other consumer gear, according to a new report from market watcher iSuppli.
Jennic set to demo video-over-wireless Product News 7/23/2008 Post a comment Wireless communications chip and software developer Jennic Ltd. (Sheffield, England) plans to demonstrate to the public the use of the IEEE 802.15.4 open radio standard for wireless transfer of video. Jennic plans to show the transfer at the Wireless Japan Show being held at the Big Sight International Exhibition Centre in Tokyo this week.
A practical guide to signal integrity engineering News & Analysis 7/22/2008 Post a comment With high speed digital designs frequently encountering analog effects, test and measurement experts Dr. Geoff Lawday, David Ireland and Greg Edlund have written a practical guide to help digital designers identify, analyse and ultimately solve their signal integrity issues.