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Content tagged with Analog ICs
posted in August 2003
Power FET outputs give two-phase stepper motors a boost
News & Analysis  
8/28/2003   Post a comment
Combining low-power CMOS logic with high-current, high-voltage power FET outputs, the Series SLA706xM translators/drivers from Allegro Microsystems Inc. provides a complete control and drive from a two-phase unipolar stepper motor with pulse-width modulation (PWM) control of the output current in a power multichip module.
Two-phase scheme used for dc/dc
News & Analysis  
8/27/2003   Post a comment
Tiny LDOs tout low output voltages
News & Analysis  
8/27/2003   Post a comment
Chips charge up for lithium-ion
News & Analysis  
8/27/2003   Post a comment
Philips' reference design upgrades CRT-based tuners to LCD TVs
News & Analysis  
8/27/2003   Post a comment
Practically all the consumer electronics manufacturers are "moving into LCD TV sets," says Philips Semiconductors. They are looking for a solution that lets them "jumpstart quickly in the new market." Junko Yoshida reports on a reference design that enables TV set manufacturers to make a quick and painless migration from CRT to mid-end LCD TV designs.
Getting 12-bits of Resolution out of your 10-bit A/D
News & Analysis  
8/26/2003   Post a comment
Cost sensitive designs benefit from using lower resolution A/Ds and simple signal processing techniques. Including software solutions in you're A/D selection process can reduce your system cost without sacrificing performance. In Part 1 of this multi-part tutorial, FAE Fugerer looks at sample "averaging" as a means of increasing A/D resolution. In Part 2, he examines "oversampling." (Be sure too to look at the Appendix material that accompanies these articles.)
Chips charge up for lithium-ion
Product News  
8/21/2003   Post a comment
A variety of linear and switch-mode chips continues to emerge in the IC battery charger market, triggered by shrinking real estate requirements and the need for improved thermal management in charging lithium-ions, today's battery of choice.
Get increased output from an improved Howland current pump
News & Analysis  
8/20/2003   1 comment
Pump up the output of an Improved Howland Current Pump. Our Texas Instruments analog maven in Tucson shows us how to wire op amps for higher bi-polar current. From the August 18th issue of Planet Analog magazine.
Programmable analog chases discrete market pricing
News & Analysis  
8/19/2003   Post a comment
This isn't exactly "I told you so." Or maybe it is: Anadigm is dropping the entry price for its programmable analog chips below $5 to be more competitive with the discrete devices that they are designed to replace. Crista Souza reports.
Reference design powers 45-W LCDs
News & Analysis  
8/19/2003   Post a comment
Counterfeit parts nettle buyers
News & Analysis  
8/19/2003   Post a comment
Though bound by the privileges of World Trade Organization (WTO) membership to police its industries, China's efforts to stamp out IP theft and trafficking in counterfeit electronic components appear to be gaining little ground, according to industry observers. And more than one US company has gotten stung. EBN's Laurie Sullivan has this report.
Analog/mixed-signal optimization tool supports 1394 PHY design
News & Analysis  
8/18/2003   Post a comment
The analog IC designer must constantly juggle tradeoffs between power, noise, silicon area, and bandwidth, says Analog Design Automation. The ability to evaluate a number of separate designs in the same EDA flow " and to display the results graphically on the same screen " helps the designer balance tradeoffs and improve time to market. This article, from the August 18th issue of PA magazine, suggests how.
Chip designers move back from bleeding edge
News & Analysis  
8/18/2003   Post a comment
The Hot Chips conference has long been the showcase for processors that hit blistering speeds by way of advanced architecture, bleeding-edge processes and full-custom design. But new approaches are emerging based on unconventional semi-custom design methodologies that wring the same kind of speed from familiar architectures and ordinary processes. EE Times' Ron Wilson is on the scene.
Uncrackable keys require hardware RNGs
News & Analysis  
8/13/2003   Post a comment
Have you been attacked by the Lovsan worm virus? Time to look again at Nic Mokhoff's contributed article section in EE Times' InFocus section on network security. Here Ubicom CTO David Fotland shows hardwired logic that can generate random numbers based on network noise.
Building secure networks for comms work
News & Analysis  
8/13/2003   Post a comment
Have you been attacked by the Lovsan worm virus? Time to look again at Nic Mokhoff's contributed article section in EE Times' InFocus. Here Actel's Jon Ewald offers an advisory on the use of FPGAs in secure networks.
802.11a/b Card: Downconversion delivers
Teardown  
8/13/2003   Post a comment
Let's face it"wires are so yesterday, says David Carey in this teardown report written solely for Planet Analog. Never mind going into an electronics store, even urban coffee bars are likely to feature 802.11 wireless connectivity. The WLAN industry is twisting 802.11 into new shapes in order to get higher throughput and less crowded spectrum. This Netgear card operates at either 2.4 or 5 GHz, and includes a number of surprising IC brands.
MCU family targets electronic energy metering
News & Analysis  
8/13/2003   Post a comment
TI has combined a low-power flash MCU with an integrated analog front-end on a single-chip, said to reduce total system chip count by 80%.
The Week in Review: August 3 to 9
News & Analysis  
8/11/2003   Post a comment
Design, programming and verification of 3G basestations
Design How-To  
8/8/2003   Post a comment
Concern over the complexity of electronics system design is widespread, but it is felt particularly strongly in wireless communications where engineers struggle to get closer and closer to the Shannon limit — the theoretical limit of information transmission in the presence of noise.
Signal-processing system design tackles tough wireless apps
News & Analysis  
8/8/2003   Post a comment
A common belief among designers is that Moore's Law, which says that a chip's transistor density will double every 18 months, sets an upper limit on the rate that system performance can improve.
Vector graphics spec zooms in on wireless
News & Analysis  
8/8/2003   Post a comment
Although Mobile Scalable Vector Graphics is just a few years old, several promising applications have already emerged.
Speed, power crunch looms for wireless
Design How-To  
8/8/2003   Post a comment
Engineers developing products for the wireless market face a daunting challenge: provide all the complex enhancements required to support new air interfaces plus full support of legacy-and do it at a price, per equivalent voice channel, that's significantly lower than today's cost of supporting the legacy functions alone.
Software radio closes in on handsets
Design How-To  
8/8/2003   Post a comment
In wireless communications, the desire to offer wide-area mobility for data-centric applications has created a need for new standards under the 3G umbrella.
Lithium ion charger IC keeps the heat at bay
Product News  
8/8/2003   Post a comment
Intersil's AnyAdapter ISL6292 lithium ion/polymer battery charger IC accepts a wide range of voltage sources, including voltage and current-limited wall plug modules and USB bus power.
Interviewing 101 with today's twist
Blog  
8/6/2003   Post a comment
In today's results-oriented business environment, it won't be your drippy nose or frayed cuffs the interviewer will be staring at. "What have you done for me lately?" applies to the job candidate as well as the 20-year employee. Our veteran analog recruiter suggests figuring out fast what a prospective employer really cares about, and control the interview by showing how you can accomplish just that.
UMC to buy out Infineon stake in UMCi
News & Analysis  
8/6/2003   Post a comment
Infineon Technologies A.G. said it has agreed to sell its minority stake in UMCi Pte. Ltd., to majority holder United Microelectronics Corp. for an undisclosed amount in a move that the German semiconductor company said would give it access to all of UMC's wafer fabs.
Revenue up, but AMIS takes 2Q loss
News & Analysis  
8/4/2003   Post a comment
D/A converter, dual op amp make voltage output programmable
News & Analysis  
8/4/2003   Post a comment
Some specialized power-controller ICs accept a digital code and produce the corresponding output, but they often represent overkill for a particular application. A Maxim applications expert shows what could be done with an 8-bit D/A converter.
Satisfying the Analog Interface Demands of VDSL
News & Analysis  
8/4/2003   Post a comment
ADSL technology has been a resounding success and the number of subscribers is expected to continue growing over the next several years. But with the consumer quest for more speed continuing, many believe that VDSL is the next step in the evolution of wired data communications. TI's Randy Stephens takes a look at the analog interface issues that designers must grapple with when developing a VDSL front-end.
Flat June chip sales up 10% y-on-y, says SIA
News & Analysis  
8/4/2003   Post a comment
Worldwide sales of semiconductors totalled $12.54 billion in June, 2003 up less than 1 percent from $12.50 billion in May 2003 and up 10.4 percent from $11.35 billion in June 2002, according to Global Sales Report (GSR) figures released by the Semiconductor Industry Association (SIA) on Monday (August 4, 2003).


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