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Content tagged with Semiconductors posted in April 2004
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Motorola updates PowerQuicc families
Product News  
4/30/2004   Post a comment
Motorola Inc.'s Freescale Semiconductor entity announced updates of its PowerQuicc II Pro and PowerQuicc III families at the Smart Network Developers Forum Tuesday (April 27). The two architectures, based on the e300 and e500 PowerPC cores, respectively, each added encryption blocks, and Motorola said it plans announcements soon on e700 cores as well.
Focus on precision timing challenges
Product News  
4/29/2004   Post a comment
Electronic clock devices are not your grandfather's chime clock; no, the clocks used in today's electronics are much more precise and versatile. Electronic clocks are the quarterback of the PCB team that determine the rhythm and accuracy of the signals getting passed around and off the board.
Chip reliability concerns seen growing
News & Analysis  
4/28/2004   Post a comment
Reliability concerns "are at the very center" of the chip industry today. New failure modes threaten as the industry moves to new materials, and to complex system-on-chip solutions with multiple device types on the same die, said Stork, now the chief technology officer at Texas Instruments Inc. (Dallas).
Li+ charger chip won't overheat
News & Analysis  
4/28/2004   Post a comment
Linear Technology's LTC4059A is a fully integrated linear battery charger in a 2-by-2 mm DFN package that can charge a single-cell Li-Ion battery at 900 mA without danger of overheating itself or surrounding components. A patented thermal regulation scheme prevents the junction temperature of the IC from exceeding 115°C by reducing charge current during high-power or high-ambient-temperature operation. The charger, suited to digital still cameras, cell phones, PDAs and USB-equipped handheld d
Ballast ICs bring transformerless dimming
News & Analysis  
4/28/2004   Post a comment
International Rectifier's 600-volt IR21592 and IR21593 dimming ballast ICs, each with a phase control loop and half-bridge driver for fluorescent lamps, eliminate the need for a current-sensing transformer. IR says these new devices offer the most comprehensive set of sense and control features available, including ignition detection and full-scale dimming, as well as brownout- and over-temperature protection. A microcontroller interface is included for maximum flexibility in programming such pa
Smallest D/A converter resolves space, performance challenge
News & Analysis  
4/28/2004   Post a comment
Analog Devices introduced the first members of its new nanoDAC family of digital-to-analog converters that provide breakthrough performance in smaller packages. The compact size and low power consumption of these new converters provide significant advantages in space-constrained applications.
A/D converter offers outstanding -95dB peak harmonic and 93 dB SNR
News & Analysis  
4/28/2004   Post a comment
DATEL's ADS-953 optimizes signal return paths and provides internal, local decoupling to obtain an outstanding "95dB peak harmonic specification and 76μVrms noise-level performance.
TIA offers temperature and long-term stability for photodiode applications
News & Analysis  
4/28/2004   Post a comment
TI announced a transimpedance amplifier featuring 90MHz gain bandwidth, less than 25uV offset and inherent temperature and long-term stability. The device is ideal for high-speed photodiode applications, including optical power monitoring, security scanners, medical diagnostics and current measurement in test equipment.
Ericsson's DSP shift rekindles basestation debate
Product News  
4/28/2004   Post a comment
Ericsson has shifted to a DSP-only, software-defined approach to basestation design in response to the cost, processing and flexibility requirements of third-generation wireless infrastructure. In doing so, the company -- the leading basestation manufacturer -- has rekindled the debate over the optimum mix of ASICs, FPGAs, DSPs and reconfigurable processors for advanced wireless systems.
Robots readied to take on search-and-rescue duties
News & Analysis  
4/28/2004   Post a comment
Microminiaturization has made possible swarms of autonomous robots using nothing more than off-the-shelf parts. But concentrating their wireless chatter and getting them to cooperate to solve problems may be five years away, the National Science Foundation cautions. It's putting $2.6 million into a five-year effort to turn multiple wireless robots into an emergency search-and-rescue team. Colin Johnson has this report.
Bad signals interfere with 90-nm designs
News & Analysis  
4/28/2004   Post a comment
When Agilent Technologies Inc.'s ASIC products division first moved from 130- to 90-nanometer chip design, it got a nasty surprise. "Signal integrity," said Jay McDougal, microprocessor design methodology manager at Agilent, "was really an order of magnitude worse." McDougal's experience seems to track with that of other users and matches what EDA vendor representatives are saying. Such problems as crosstalk-induced delays, crosstalk-induced glitches and power noise due to voltage drop are all
Synopsys keynoter cites crosstalk, power challenges
News & Analysis  
4/28/2004   Post a comment
Crosstalk and power are extremely difficult problems to solve, and will require significant changes to the existing chip design flow, according to Li-Pen Yuan, R&D director for extraction and signal integrity at Synopsys. Yuan offered a keynote speech at the Electronic Design Processes (EDP-2004) methodology conference here Monday (April 26). Richard Goering was there.
ST to launch single-chip satellite tuner IC
News & Analysis  
4/28/2004   Post a comment
In hopes of increasing its share in the global satellite set-top box market, STMicroelectronics on Tuesday (April 27) unveiled a single-chip silicon tuner designed to receive digital TV or Web-based material via satellite. ST, the world's largest IC supplier for set-top boxes, hopes to reinforce its market position by introducing the new silicon tuner that can be paired with ST's own multi-standard demodulator. That device is widely used in current satellite TV applications. From Paris, Junko Yo
Smallest D/A converter resolves space, performance challenge
Product News  
4/27/2004   Post a comment
Analog Devices introduced the first members of its new nanoDAC family of digital-to-analog converters that provide breakthrough performance in smaller packages. The compact size and low power consumption of these new converters provide significant advantages in space-constrained applications.
Li+ charger chip won't overheat
Product News  
4/27/2004   Post a comment
Linear Technology's LTC4059A is a fully integrated linear battery charger in a 2-by-2 mm DFN package that can charge a single-cell Li-Ion battery at 900 mA without danger of overheating itself or surrounding components. A patented thermal regulation scheme prevents the junction temperature of the IC from exceeding 115°C by reducing charge current during high-power or high-ambient-temperature operation. The charger, suited to digital still cameras, cell phones, PDAs and USB-equipped handheld d
IrDA protocol stack offered with ZiLOG's eZ80Acclaim! MCUs
Product News  
4/27/2004   Post a comment
ZiLOG, Inc. claims to have the embedded industry's first 8-bit flash-based solution for wireless IrDA connectivity. The new solution called ZirDA, is an embedded software product that will be offered with the company's eZ80Acclaim! microcontrollers.
StarCore-based DSPs target VoIP apps
Product News  
4/27/2004   Post a comment
Eying the voice-over-Internet protocol (VoIP) market, Freescale Semiconductor, a wholly owned subsidiary of Motorola Inc., has expanded its solutions for VoIP system designs based on StarCore DSP technology.
Ballast ICs bring transformerless dimming
Product News  
4/26/2004   Post a comment
International Rectifier's 600-volt IR21592 and IR21593 dimming ballast ICs, each with a phase control loop and half-bridge driver for fluorescent lamps, eliminate the need for a current-sensing transformer. IR says these new devices offer the most comprehensive set of sense and control features available, including ignition detection and full-scale dimming, as well as brownout- and over-temperature protection. A microcontroller interface is included for maximum flexibility in programming such pa
Two stretch configurable-CPU arena with new entries
Product News  
4/26/2004   Post a comment
The ranks of configurable CPUs " processors designed to be augmented by customer-specified execution units " will expand significantly today with independent announcements by Faraday Technology Corp. and startup Stretch Inc. The two architectures, both derived from CPU designs, bring new dimensions to the market.
CompactPCI plug-in serves LEON processor developers
Product News  
4/26/2004   Post a comment
Here's news from a Swiss company offering an FPGA development platform. The Compact PCI development board also supports the early development and fast prototyping of LEON 32-bit microprocessor designs.
RTOS from Green Hills is available for Freescale's processors
Product News  
4/26/2004   Post a comment
Green Hills Software, Inc.'s INTEGRITY real-time operating system is now available for the PowerQUICC III MPC8560 and MPC8540 integrated communications processors from Freescale Semiconductor, a wholly owned subsidiary of Motorola Inc.
Application processors target mobile phones
Product News  
4/26/2004   Post a comment
Renesas Technology America, Inc. says its new SH-MobileL application processor chip (SH7322) delivers the finely-tuned mix of performance and functionality that's needed to add attractive enhanced multimedia features to the affordable next-generation mobile phone systems.
TI beefs up C64X DSP line with lower priced devices
Product News  
4/26/2004   Post a comment
Texas Instruments is getting its TMS320C64X DSP line into shape as competition heats up for the attractive DSP markets such as packet-switched telecom including video over IP and other cost-sensitive, high performance applications. Marty Gold reviews the latest DSPs from TI.
Silicon tuner breaks power barrier for VoIP cable phone services
Product News  
4/26/2004   Post a comment
Addressing the radio frequency power and pricing issues central to the rollout of Voice over Internet Protocol (VoIP) cable phone services, Microtune, introduces a single-chip tuner that it says cuts RF costs by 25%, space by 25% and power by 40%.
IR receiver combines detector, preamp and supports variable voltages
Product News  
4/26/2004   Post a comment
A new series of miniaturized, multi-functioned SMD IR receiver modules that provide an industry-leading variable supply voltage range from 2.7 V to 5.5 V is offered by Vishay Intertechnology.
Experiments suggest methods for CMRR measurement " Part 1
News & Analysis  
4/26/2004   Post a comment
Differential ports make possible the recovery of signals mixed with common-mode noise, and the use of such ports gives rise to the need for measuring common mode rejection ratio (CMRR). In part 1 of this s two-part tutorial, a Maxim engineer provides insights into the forms of CMRR, its relationship ground, and its impact of on op amps and differential line drivers. In part 2 (next week), the author describes signal conditioning applications which need to pay special attention to CMRR.
A/D converter offers outstanding -95dB peak harmonic and 93 dB SNR
Product News  
4/26/2004   Post a comment
DATEL's ADS-953 optimizes signal return paths and provides internal, local decoupling to obtain an outstanding "95dB peak harmonic specification and 76μVrms noise-level performance.
TDR and VNA measurements shed light on Gbits/s interconnects
News & Analysis  
4/26/2004   Post a comment
With Time Domain Reflectometry (TDR) designers can deduce information on device-under-test (DUT) properties as the location of failures, the line impedance and the time delays for high speed signals, writes Dima Smolyansky, measurement expert at TDA Systems. But Frequency Domain Vector Network Analysis (VNA) using a synchronized sweep between a sine wave stimulus, and a narrow band filter at the receiver end requires additional software to make sense of the picosecond-readings captured by TDR sc
C compiler supports Microchip's dsPIC Digital Signal Controller
Product News  
4/23/2004   Post a comment
Microchip Technology Inc.'s MPLAB C30 C compiler has been launched to support its dsPIC 16-bit Digital Signal Controllers (DSC) infrastructure.
Power over Ethernet module enables more functionality for Ethernet switches
Product News  
4/23/2004   Post a comment
An integrated Power over Ethernet module from PowerDsine saves time and money for Ethernet switch manufacturers allowing users to add PoE functionality to existing Ethernet switches.
Synchronous switching DC/DC controller guarantees output voltage regulation
Product News  
4/23/2004   Post a comment
Linear Technology introduces the LTC3831-1, a synchronous switching DC/DC controller that guarantees output voltage regulation of 0.75V or lower for systems needing precision active bus termination for high-speed logic interface.
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