ISSUE DATE: FEBRUARY 18, 2002 OPTIONS
Hardware-based IP, 3G cell phones, Designing switched-fabric backplanes


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February 18, 2002 - In This Issue

[Technology Report]
3G Cell Phones: Still To Come
Disraeli said, "Everything comes if a man will only wait." Well, 3G cell phones still aren't here, and certainly not due to a lack of effort. Handset and basestation manufacturers and carriers are struggling with a variety of cost, technical, and...  — Louis E. Frenzel

[Product Innovation]
Hardware-Based IP Speeds Up Processor Multitasking
Today's high-performance processors spend a significant portion of their processing time switching from task to task, often executing hundreds of instructions each time. In a PC, that frequently involves a multimedia task, such as viewing an MPEG...  — Dave Bursky

[Design Application]
Switch Fabrics Optimize Communications Backplane
If you're like a lot of design engineers, you want to design a high-performance communications system that's scalable, supports "five-nines" high availability (HA), and is low in cost—and you need to start now. You've seen the switched-fabric...  — Melissa Heckman , et al.

[Ideas For Design]
Pre-Warped Drive Signal Reduces Actuator Hysteresis Error
Many displacement transducers exhibit hysteresis in their response to drive signals. To observe this behavior, drive the actuator with a triangle wave while measuring the actuator response with a linear position transducer. Then, display the command...  — John Rowland

[Ideas For Design]
Low-Cost Digital Thermometer Uses Single-Chip Microcontroller
In many applications, the ability to read and display temperature is either desirable or an absolute requirement. Some of these applications include temperature probes, thermostats, CPU monitors, and process-control equipment. The ...  — Brian Merritt

[Ideas For Design]
Detect Loop-Reverse Battery Conditions On A Telephone Line
Equipment connected to the public switched-telephone network (PSTN) sometimes needs to detect polarity reversals of the battery feed. One common application is the Direct-Inward-Dialing (DID) service that uses what is termed as "loop-reverse battery...  — Michael Gambuzza

[Editorial]
Will Virtual Presence Replace the Handshake?
As an editor, I participate in numerous meetings during an average week. Many are in-person meetings in an office, at a convenient hotel, or on the exhibit floor of a trade conference. But today, a growing number of them are "remote"...  — Dave Bursky

[Pease Porridge]
Bob's Mailbox
Dear Bob: I had a good laugh at your recent dialog with Allan Hurst (electronic design, Dec. 17, 2001, p. 25) on the subject of speaker wires. Allan was right when he said that the Hi-Fi trade is now 100 times worse...  — Bob Pease

[Celebrating 50 Years]
Reader Polls/Flashback
FLASHBACK > 10 YEARS AGO FEBRUARY 20, 1992 FROM EARLY ON, COMPUTERS HAVE DRIVEN DIGItal-to-analog converters (DACs), generating random analog waveforms from lookup table memories. While system...  — Staff

[Forefront]
Fuel Cells May Beat Batteries For Backup
A fuel-cell technology by Metallic Power, Carlsbad, Calif., promises a more economical, space-saving approach to power. The company recently demonstrated a 2.5-kW/3-kVA backup power source based on a zinc-air fuel-cell system. This...  — David G. Morrison

[Forefront]
MEMS Technology Moves Into More Applications
Microelectromechanical system (MEMS) technology is branching out into new applications. MEMS makers are actively integrating their large analog devices with front-end and back-end digital circuitry to offer higher levels of system integration and...  — Roger Allan

[Forefront]
3-nm Wires Grown In The Lab
Chemists like Professor Charles Lieber of Harvard University, Cambridge, Mass., may provide the answers about how to build very small computing devices. His group has developed a process where catalysts in an alcohol solution grow nanowires at room...  — William Wong

[Forefront]
Test-Compression Technology Makes The Most Of Semiconductor Testers
Testing can represent as much as half the cost of semiconductor device manufacture. To reduce that, Mentor Graphics' TestKompress uses a new compression technology that lets designers cut the amount of ATE memory and time needed to test ASICs, ICs,...  — John Novellino

[Forefront]
Testbench Automation Tool Provides Tight Links To Verilog Simulation
Faster runtime performance, real-time access to built-in Verilog simulation coverage metrics, and a unified graphical environment for waveform analysis are all promised by version 5.0 of the VERA testbench automation tool. It also sports tight...  — David Maliniak

[Forefront]
Software Lets SoC Tester Use EDA Design, Simulation Files
The SmarTest PG software for the Agilent 93000 system-on-a-chip (SoC) test system makes the tester "design ready" so it can accept EDA-generated design and simulation files. The software replaces the complex array of scripts and tools normally used to...  — John Novellino

[Forefront]
Physical IC Implementation Tool Arrives In Production-Hardened Version
Version 2.0 of Monterey Design's Dolphin physical IC implementation system has everything designers need to complete IC implementation in a single tool. The result is a significantly simpler design flow. Dolphin 2.0 offers more than 30 new...  — David Maliniak

[New Products]

Strap Device Protects Li-Ion Battery Packs  — Lisa Fakhry

Low-Profile Hook-On EMI Gaskets Suit Bidirectional Applications  — Lisa Fakhry

Transient Voltage Suppressors Use Multilayer Varistor Technology  — Lisa Fakhry

SMT Fuse Withstands Lightning Surges Specified In FCC 47 Part 68  — Lisa Fakhry

Surge Suppressor Products Protect High-Voltage SLICs  — Lisa Fakhry

Thermal Circuit Protectors Feature Six Termination Options  — Lisa Fakhry

Module Grants Access To Components Throughout Design Process  — Lisa Fakhry

Open SoC DSP Platforms Include Customizable DSP Cores  — Lisa Fakhry

Product Enhances Design And Simulation Of Mixed-Mode Circuits  — Lisa Fakhry

Design Library Aids Communications Product And RF System Designers  — Lisa Fakhry





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