April 30, 2001 Magazine Archive

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ISSUE DATE: APRIL 30, 2001

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32-Mbyte flash memory, RF power transistors, PC platforms, Parallel development

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April 30, 2001 - In This Issue

[Technology Report]
Multiple Transistor Types Vie For RF Power-Amplifier Sockets
With a growing market for cellular and personal communications services (PCS) and third-generation (3G) mobile systems looming on the horizon, increased attention is being given to RF power amplifiers. To make more-efficient, higher-output, and... — Ashok Bindra

[Technology Report]
High-Performance PC Platforms Push Tomorrow's Technology
System designers have a number of choices when it comes to multiprocessor system architectures. Many of the components are common to single-processor designs. Some new technologies, such as Serial ATA and InfiniBand, will wind up in both... — William Wong

[Product Innovation]
Smaller 32-Mbyte Flash Memory System Provides More Security And Functionality For Less Cost
Flash-memory storage is gaining popularity in more applications, many of which are high-volume. Such applications not only demand flash-memory chips with more storage ability, but also greater functionality, better security, smaller size, and most... — William Wong

[Design Application]
Software-Style Methods For Parallel Development Work For Hardware Designs
Parallel development is an essential technique for boosting the productivity of big software development teams that must make numerous changes to a large source-code base. To employ that technique, software engineers use sophisticated tools and... — Contributing Author

[Ideas For Design]
Second-Order Audio Filter Performs Multiple Functions
The second-order multipurpose filter described here can perform as a low-pass, bandpass, high-pass, or notch filter at audio frequencies. What makes this filter unique is that all of its characteristics can be varied independently with... — Contributing Author

[Ideas For Design]
Micropower Circuit Offers Automatic Shutdown And Low-Battery Lockout
This micropower circuit provides shutdown, power-up, and low-battery lockout functions automatically, without the need for software or operator control (Fig. 1). Featuring 2.3-V hysteresis, the... — Contributing Author

[Ideas For Design]
Differential Feedback Produces Two Regulated Outputs From One
The need often arises for a circuit with two regulated outputs from a single supply (controller). In some cases, the output won't require particularly tight regulation. Instead, only adequate regulation will be necessary for the parts to be... — Contributing Author

[Editorial]
Technology Adoption—Many Roadblocks Slow It Down
As each new technology is developed and moved into the mainstream, the push to bring more new products to market just seems to accelerate. Some technologies have succeeded beyond many of the original creators' expectations—VCRs, pagers, cell... — Dave Bursky

[Pease Porridge]
What's All This Finite-Gain Stuff, Anyhow? (Part I)
I have been asked, "Why is it so hard to measure temperature?" I point out that 100 years ago, any attempts to make precision voltage measurements weren't done by a DVM or voltage meter, but by a big voltage divider (potentiometer) and a voltage... — Bob Pease

[Viewpoint]
Reliability And Longevity Concerns Dictate The Use Of Solid-State Relays
Solid-state relays (SSRs) have been around for a long time. Although they haven't necessarily been a dominant force in relays, several factors, including some novel applications, are continuing to increase their usage in the... — Contributing Author

[Editor's Notebook]
InfiniBand: Embedded Need Not Apply
As Santayana noted, "Those who cannot remember the past are condemned to repeat it." And embedded history is about to repeat itself again. The InfiniBand powers-that-be have decided that the emerging switch-fabric technology is for mainstream... — Ray Weiss

[Letters]
Letters
Debate Over Economics I want to give my opinion regarding "Economics For Engineers Is A Branch Of Psychology" [Oct. 2, 2000, p. 160] and the contribution of a reader, Pedro Coelho ["Letters," Dec. 18,... — Various

[40 Years Ago]
New KMC Oscilloscope (Ad)
For clear display of: Single-shot Nuclear Events/Transistor Switching/Fast Diode Turn-on/Radio-Frequency Waveforms/Tunnel-Diode Switching—Now, you can see and record non-repetitive, high-speed phenomena with a standard oscilloscope—one... — Steve Scrupski

[40 Years Ago]
IR Device To Detect Vegetation On Mars
An infrared spectrophotometer, suitable for space missions, has been designed to detect absorption bands characteristic of certain hydrocarbons found in vegetation. The instrument is being evaluated by the Jet Propulsion Laboratory for use in a... — Steve Scrupski

[Forefront]
Process Speeds Manufacture Of Fiber-Optic Devices
A manufacturing process that accelerates the production of fiber-optic components has been patented by Lumenon Innovative Lightwave Technology Inc. of Quebec, Canada. While the fiber-optic industry is growing rapidly due to the rise in... — Lisa Eccles

[Forefront]
Ferroelectric Microdisplays Enlist In A New Defense Application
A reflective, ferroelectric LCD microdisplay will play a major role in a pair of simulator optics subsystems in the latest version of the Starstreak Self-Propelled Air Defence Weapon System, used by the British Army. The first of these subsystems... — Stephen Grossman

[Forefront]
IC Delivers GSM/GPS/Bluetooth Performance Without Interference
Most future-generation cell phones will incorporate not only multiband operation, but also Global Positioning System (GPS) capability for enhanced 911 compliance, as well as Bluetooth (BT) for peripheral connectivity. Designers are now struggling... — Louis E. Frenzel

[Forefront]
Companies Team Up To Tackle Integrated Voice Processing
To quickly develop a new generation of ultra-high-density voice-processing systems, Spectrum Signal Processing of Burnaby, Canada, has formed a technology and marketing alliance with telecom giant Broadcom Corp. Spectrum will use Broadcom's... — Ashok Bindra

[Forefront]
From The Labs
• To cope with the increasing challenges of IC design, microelectronic researchers at Rensselaer Polytechnic Institute are building chips upward instead of out. Stacking electronic circuits on top of each other, the researchers say,... — Staff

[Forefront]
MIT Scientists Create A More "Sociable" Robot
As you sit at a table in your research lab, bewildered by a technical glitch, you glance over at your colleague. He turns his head in your direction. You tilt your head and shoot him a puzzled look. He nods back and offers a slight smirk. While no... — Lisa Eccles

[Forefront]
Bus-Termination Scheme Offers Space And Layout Advantages
In terminating high-speed parallel data buses, designers face several challenges. Signals with fast edge rates demand terminations with very low parasitics. Currently, active bus devices produce edge rates as low as 0.3 ns with the slew rate on... — David G. Morrison

[Forefront]
Company Wire
• Electronics manufacturing services provider Flextronics has expanded its photonics offerings by acquiring two companies—Fico Fiber Optics and Wave Optics. With this, Flextronics gains design and manufacturing services for... — Staff

[Forefront]
Laptop Processor Boasts 1-GHz Operation
The mobile Pentium III is Intel's latest processor. Designed for full-size and thin-and-light notebook applications, it's the first laptop processor to run at 1 GHz. That's a full 150 MHz faster than the company's previous top mobile... — Lisa Eccles

[Forefront]
MIPS RISC Plus Communication Peripherals Equals DSL Gateway
Many homes and small office/home office (SOHO) DSL-linked environments require more than a simple DSL computer connection. A good number incorporate a local-area network (LAN) base with multiple computers, network appliances, and phones.... — Ray Weiss

[Forefront]
Instruments Test, Validate InfiniBand System Designs
Last year saw the announcement of the InfiniBand switch architecture. Engineers now need to test their InfiniBand designs. With this in mind, Agilent's E2950 series of test instruments helps users identify and understand InfiniBand prototype... — Stephen Grossman

[Forefront]
Motion Analyzer Characterizes Complex MEMS/MOEMS Devices
Few systems are able to fully characterize the complicated motions of microelectromechanical system (MEMS) and micro-optoelectromech-anical system (MOEMS) structures. This need is becoming more critical, considering the explosive growth of such... — Roger Allan

[New Products]

• Packaging And Enclosures — Staff

• Electronic Design Automation — Staff

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