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Content tagged with Internet of Things Designline posted in February 2003
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Transaction-based methodology supports HW/SW co-verification
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2/28/2003   Post a comment
Using an ARM-based SoC as an example, Axis Systems' Jason Andrews offers a detailed walkthrough of the hardware/software co-verification process, and introduces a new transaction-based debugging approach.
No end in sight for DDR price meltdown
News & Analysis  
2/28/2003   Post a comment
Contract prices for mainstream DDR SDRAM have plunged 25% to 33% in a month amid a glutted global market. Although DDR prices have been declining steadily from a peak in November, the latest sharp drop was welcomed by OEM buyers caught in their own competitive product pricing squeeze.<
The Nature of PCB Losses -- Part 2
News & Analysis  
2/26/2003   Post a comment
This is the time when even experienced digital designers and system engineers need to go back to book and application notes, says signal integrity guru Mike Grabois. In this conclusion to his tutorial on transmission line losses, Mike looks at Inter Symbol Interference and other line losses -- as well as equalization, pre-distortion and other compensation techniques.
Adjusting Optical Sub-Systems in DWDM Equipment.
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2/26/2003   Post a comment
As carriers demand longer reaches and modularity from the equipment they purchase, dynamic adjustment capabilities will be increasingly crucial in the system design. To make self-adjust capabilities more affordable, chip and module manufacturers are forging new integration paths. Here's a look at some of these efforts.
Removing Egress Memory from Switching Architectures
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2/25/2003   Post a comment
By handling shaping, scheduling, and reassembly within the fabric, designers can eliminate the need for memory in the egress memory in the datapath, thus speeding the overall flow of packets through a system.
Bootstrap power supply permits amplifier output to touch ground
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2/24/2003   Post a comment
Many single supply powered applications require amplifier output swings within millivolt or even sub-millivolt levels of ground. Amplifier output saturation limitations normally preclude such operation. From the February Planet Analog magazine folio, this famous applications guru offers tips for approaching ground -- without getting stuck there.
Vendors debate viable IP business model
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2/24/2003   Post a comment
Three IP vendors debated the question of how to make silicon intellectual property into a viable business, during a panel discussion here moderated by E.E Times editor-in-chief Brian Fuller.
USB On-The-Go gains momentum
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2/24/2003   Post a comment
User interface simplifies embedded TCP/IP connectivity
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2/24/2003   Post a comment
Now that TCP/IP connectivity is becoming common for embedded systems, designers have to deal with the problems of setting up, monitoring, and troubleshooting remote devices.
Tracepoints assure safe monitoring of in-field net devices
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2/24/2003   Post a comment
Today's embedded network infrastructure controls crucial services: telephone switching systems connecting data and voice for an entire region of a country, power plants distributing power over geographical areas, and satellite monitoring systems for controlling fleets of weather satellites.
System profiling optimizes distributed applications
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2/24/2003   Post a comment
Distributed systems come in every form imaginable, from SoCs to massive fault-tolerant clusters.
Multitasking operations require more hardware based RTOSes
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2/24/2003   Post a comment
The past decade has seen a shift from large, pc board-based systems in which computing is done in one location to an environment of many distributed small-footprint systems and subsystems, each of which in many cases fits on a tiny piece of silicon.
Integrating the operation of heterogeneous systems
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2/24/2003   Post a comment
Today voice and data already share the high-bandwidth pipes into an enterprise, through frame relay protocols, voice over IP, firewalls for communications systems and automated call center systems.
Embedded wireless networking drives new ISAs for MCUs
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2/24/2003   Post a comment
Instruction set architectures, tuned specifically for wireless and other network traffic and computing models, are now coming to market that make processing of packets more efficient and easier to develop and program applications for networked embedded systems.
Brokerage layer simplifies design
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2/24/2003   Post a comment
The rise of the Internet Protocol-based network as a low-cost, ubiquitous embedded networking environment has led to strong interest in networking what used to be standalone electronic devices with remote applications and other back-end systems.
Accommodating Sun's MIDP 2.0 on mobile devices
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2/24/2003   Post a comment
Sun Microsystems' Java 2, Micro Edition (J2ME) Mobile Information Device Profile is gaining momentum in the wireless market.
Humbled Intel spells out plans for comms group
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2/21/2003   Post a comment
Sean Maloney, the general manager of Intel's communications group, said the company is poised to roll out its first internally-designed RF products, see growth in its network processors, and launch a 90-nm process with combined CMOS, analog and silicon germanium technology.
Power budget reduced for Intel-based notebooks
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2/21/2003   Post a comment
Intel Corp. is dropping its power budget guideline for notebook computers from the current 12.6-watt level to just under 10 watts for 2003.
Artisan completes Nurlogic acquisition
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2/21/2003   Post a comment
Artisan Components, Inc. (Sunnyvale, Calif.) announced the completion of its acquisition of NurLogic Design Inc. (San Diego), a provider of analog intellecutal property (IP) and high-bandwidth connectivity cores.
Integration eases buck regulator design
Product News  
2/20/2003   Post a comment
Five Little Foot plus Driver power semiconductors from Siliconix, a Vishay Intertechnology company, have been designed to simplify the use of n-channel MOSFETs in high-frequency buck regulators.
Changing power supplies: custom or standard?
Product News  
2/20/2003   Post a comment
With system bus structures changing almost as soon as they're invented, users and vendors of power supplies are again rethinking the longstanding issue of standard vs. custom supplies.
Removing Pessimism from Crosstalk Analysis
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2/20/2003   Post a comment
As designers make the leap to 130-nm and smaller geometries, mitigating crosstalk becomes an even bigger headache. By combining techniques, like buffer-insertion, with off-the-shelf EDA tools, designers can greatly improve their crosstalk capabilities.
Practical applications of digital filters
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2/20/2003   Post a comment
In part 3, David Zaucha offers examples of two practical digital audio applications for filters. The first example is an equalization of a small monitor loudspeaker. The second example is an electronic crossover for a 3-way loudspeaker.
Understanding losses is key to state-of-the-art interfacing
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2/19/2003   Post a comment
The new signal data rates have changed the interface arena completely. The IC manufacturers and tool makers have come up with a number of methods that may save you money and extend life of old components and materials. This is the time when even experienced digital designers and system engineers need to go back to book and application notes, says one our favorite contributors, signal integrity guru Mike Grabois.
Active cooling techniques drive PC thermal management
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2/19/2003   Post a comment
Miniaturization and portability trends in combination with increasing performance are contributing to the well know problem of heat concentration and dissipation in modern electronic appliances. From the February issue of PA magazine, a Fairchild scientist explores the prospects for active cooling.
What Causes Batteries to Fail?
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2/19/2003   Post a comment
Battery design is a critical element in today's portable applications. Here's an inside look at why battery fail and some techniques for circumventing these problems.
DC/DC converters winning on cost
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2/17/2003   Post a comment
The case for logic BIST
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2/14/2003   Post a comment
Wireless mobility a key advantage
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2/14/2003   Post a comment
Ad hoc networks, the "next great thing" in the consumer Internet, have hidden roots that run surprisingly deep into military R&D.
Mobile networks hit noise hurdles
News & Analysis  
2/14/2003   Post a comment
The emergence of wireless ad hoc networks means that multiple, diverse wireless devices will be operating in close proximity. In particular, the coexistence of IEEE 802.11b and IEEE 802.11g with Bluetooth personal-area networks will be an important user satisfaction issue.
StarFabric, PCI Express Hybrid Provides Evolution Path for Comms Designs
News & Analysis  
2/13/2003   Post a comment
For many PCI users, the move to PCI Express Advanced Switching is the long-term goal. But, with the spec still under development, the move to PCI Express will still be some time off. By turning to StarFabric, designers can upgrade now and still have an evolution path to AS. Here's how.
How many bits do you need - Part 2
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2/13/2003   Post a comment
Digital audio systems use finite precision in representing signals and coefficients and in performing arithmetic operations. Consequently, audio system performance is determined by the precision that is used throughout the system. This part of David Zaucha's paper looks at implementation landmines.
Your vending machine can talk thanks to a 5 embedded modem
News & Analysis  
2/12/2003   Post a comment
It's not just coke and Mars bars. Vending machines sell Kodak cameras, CD records, eyeglasses and books - a $56.8 billion market, according to Vending Times magazine. Of this 2000 total, some $39.3 billion was in what the vending industry calls the "four Cs" (candy, coffee, cold drinks, and cigarettes). Wouldn't it be interesting, engineers speculate, if the vending machine could call you up every time it needs to be refreshed. The cost of this add-on, a Cypress Microsystems applications enginee
Accessing Transport Overhead to Improve Protection Switching
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2/12/2003   Post a comment
As Sonet/SDH networks begin supporting more data types, protection switching can cause increased processing strains in metro designs. By tapping into overhead bytes, designers can ease processing overhead by collapsing the control plane into the data plane.
VCSEL/EA Modulator Transmitter Combo Increases Metro Reach, Tunability
News & Analysis  
2/11/2003   Post a comment
Tunability and reach are essential elements in the development of today's OC-48 transmitters. By combining a VCSEL laser and EA modulator, designers can produce low-dispersion transmitters that achieve transmission distances up to 600 km.
Murata banks on ceramic technology
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2/11/2003   Post a comment
Passives budgets seen as light
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2/10/2003   Post a comment
What happened at Pioneer-Standard?
Product News  
2/10/2003   Post a comment
While many factors probably contributed to Pioneer-Standard Inc.'s recent decision to unload its industrial-components distribution business to Arrow Electronics Inc., a key factor may have been the lack of a global infrastructure and the time and the huge dollar investment needed to overtake leading competitors.
Passives budgets seen as light
News & Analysis  
2/10/2003   Post a comment
Page 1 / 2   >   >>


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