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16 January 2007
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News & Analysis
Technologists are sparring with bean counters over what 4G should look like to yield the best service for customers and the best return for operators.
The outlook for China's chip industry clouded after a Hua Hong NEC affiliate announced in December it would shelve plans for a 300mm wafer fab and instead build a 200mm line.
Nanometer chip design is becoming so compute-intensive that it needs supercomputer-like capability, according to Mentor Graphics Corp. and Mercury Computer Systems Inc.
RTOS vendors have outlined ways to halt security breaches, foremost of which are application- and data-isolation techniques, upgrades to higher Evaluation Assurance Levels, and protocols such as Secure Sockets Layer and Secure Shell.
IBM Corp. and Dutch researchers are jointly designing chips for a radio astronomy telescope that will peek billions of years into the past.
Quellan Inc. brings noise cancellation to consumer platforms with Q:Active, extremely small noise-source emulation chips intended for handsets designed for mobile broadcast video.
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InvenSense has announced volume production of low-cost integrated dual-axis gyroscopes that could give accelerometers a run for their money as the MEMS of choice in new consumer gadgets.
Consumer products, such as cellphones, portable media players, digital cameras, DTVs and digital STBs, are driving the growth of electronics in China and the rest of the world.
To help bring down 3G handset costs, Agere recently launched TrueNTRY X122, enabling CD-quality music, camera/camcorder functions and Internet access for a BOM of less than $30.
The MRF24J40 device comes with Zigbee software and an alternative lightweight Microchip wireless protocol that uses only basic join-and-leave operations of the full Zigbee stack.
Hoping to expand its IP chip and library offerings, Open-Silicon recently inked a deal with MIPS Technologies that allows it to offer the MIPS32 24Kc Pro processor core for use in ASIC and SoC designs.
The startup shakes the hot area of clustered servers for HPC by developing an ASIC that might have lower power, size and cost than competing X86 CPUs, yet runs Linux and MPI.
Mixel Inc. has unveiled a "silicon-proven" IP core for the Mobile Display Digital Interface standard, and is also developing a core for the rival Mobile Industry Processor Interface standard.
MontaVista Software's beta version of an IDE promises full compatibility with the Eclipse framework and supports the MontaVista Linux OS with new analysis features.
This evaluation kit for networks of up to 100 nodes should pave the way from small-scale IEEE 802.15.4 wireless networks to larger nets for office and factory automation.
A new performance-monitoring and -testing suite for service providers moving to IMS correlates end-user quality-of-experience parameters with specific QoS parameters in a network.
Bluespec's new version of its Bluesim simulator supports virtual prototyping for software development and hardware validation.
Designers of portable wireless products now have new tools, approaches and components that provide fresh trade-offs in the quest for a perfect antenna.
To protect the LNB voltage regulator IC against any damage from lightning events, a dedicated and optimized protection device is required in front of the voltage regulator.
This article illustrates how optimization can be done on a design, specifically to help an analog IC amplify intermediate broadband signals of up to 2GHz.
Including the distribution of temperature on the die can help design tools and flows achieve greater accuracy.
Overcoming first-, second- and third-order error sources is a challenge for which many designs clearly don't have the luxury or need. But for those that do, it's engineering at its exhilarating ultimate.
Technical Features
Partitioning of A/D functionality solves key issues related to integration of analog circuits on digital ASICs. (PDF file)
Validating the system functional behavior as early as possible helps reduce iteration, thus increasing productivity and enabling designs for the next 10-15 years. (PDF file)
Tool solutions that synchronize and tie the hardware and software flows together—such as in the creation and management of RTOS BSPs—should help designer productivity keep pace with advances in silicon. (PDF file)
Current-feedback op amps can be used in applications that call for signal fidelity and high speed, such as video line drivers and routers and clock buffers. Learn how to build one of these wonder circuits. (PDF file)
Analysts predict that the growth in intelligent power-conversion products will now begin in earnest, with digital power control expected to account for 40 percent of the total market by 2010. (PDF file)
Designing true high-fidelity audio components can be a tricky business. This article takes a look at three digital amplifier architectures using pulse-width modulated class-D output stages. (PDF file)
Know the factors that need to be considered in calculating the uncertainty budget when measuring power. (PDF file)
The continued success of low-power products hinges on this new methodology in which tools are deeply integrated and power consumption is highly considered during testing. (PDF file)
Opinion
Making 3G services affordable so that they can reach high levels of usage will pave the way for 4G acceptance.
The counterfeiting business is growing because we are encouraging the wrong behavior. Here are some measures we can take to mitigate the problem.
Interview
Less than a year after the EU's RoHS directive took effect, the industry is again bracing itself for another, reportedly tougher, environmental regulation—China's Administration on the Control of Pollution Caused by Electronic Information Products.
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