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posted in December 2006
Application basics when using wideband voltage and current feedback op amps, Part 2 (of 2)
Design How-To  
12/26/2006   Post a comment
Understand the basics of current and voltage feedback op amps and where they fit, along with constraints and implications
Under The Hood: TI 65-nm chip at heart of Nokia 2610
Teardown  
12/19/2006   Post a comment
Decapping the chip at the heart of Nokia's 2610 entry-level phone shows a 65-nm Texas Instruments baseband processor supported externally by Samsung memory and an Infineon RF front end.
Design of High-Performance Balanced Audio Interfaces - Part 2
Design How-To  
12/14/2006   Post a comment
High signal-to-noise ratio is an important goal for most audio systems. However, ac power connections unavoidably create ground voltage differences, magnetic fields, and electric fields. Balanced interfaces, in theory, are totally immune to such interference.
Logic 101 - Part 4 - Gray Codes
Design How-To  
12/14/2006   Post a comment
In order to prevent multiple bits transitioning simultaneously, you can use a Gray code to ensure that only a single bit transitions at a time.
Tutorial: Floating-point arithmetic on FPGAs
Design How-To  
12/13/2006   1 comment
This article explains the basics of floating-point arithmetic, how floating-point units (FPUs) work, and how to use FPGAs for easy, low-cost floating-point processing.
Design of High-Performance Balanced Audio Interfaces
Design How-To  
12/13/2006   Post a comment
High signal-to-noise ratio is an important goal for most audio systems. However, ac power connections unavoidably create ground voltage differences, magnetic fields, and electric fields. Balanced interfaces, in theory, are totally immune to such interference.
High-level tools become mainstream for DSP
News & Analysis  
12/12/2006   Post a comment
"East is East, and West is West, and never the twain shall meet," Rudyard Kipling famously wrote. Until recently, a similar perspective applied to the development process for signal processing systems. Read on to find out how this process for DSP can be broken down into three basic steps and how this trend will accelerate in 2007.
Audio trends for 2007
News & Analysis  
12/12/2006   Post a comment
Audio is one of those technologies for which listeners have a gold standard for quality. The standard is live music performed in an acoustically competent hall. As more people remember what audio should sound like, audio quality on all fronts will improve. Henry Davis outlines six trends that will highlight what's in store for audio design in 2007.
Trends from Digital TV DesignLine
Product News  
12/12/2006   Post a comment
Concerning to the topics covered in Digital TV DesignLine, the two that will be the most volatile and possibly controversial will be displays and next-generation optical discs. There will also be developments in Set-Top Box design, Digital Rights Management, HD Recording and Voice/Data Networking.
Peering into the future of Programmable Logic Design
News & Analysis  
12/12/2006   Post a comment
2007 is almost upon us—what are we going to see that will really blow our socks off and make us leap from our seats shouting "YES!"?
Network Systems Design in 2007
News & Analysis  
12/12/2006   Post a comment
Aggressive increases in performance demand is a departure from long-used solutions. Ultimately, the ability to provide sufficient performance to run combined voice, video and data effectively remains a basic network design goal. Replacing bus interconnects that can't keep pace, the marriage of personalization and privacy, and cost—are just some of the topics that will play out in 2007.
An outlook of EDA in 2007
News & Analysis  
12/11/2006   Post a comment
EDA vendors face a new challenge for 2007: support designers that target the latest process and require highly sophisticated tools and methods while also providing reliable and cheaper tools for those customers using less advanced techniques.
Analog expands its indispensable role in 2007
News & Analysis  
12/11/2006   Post a comment
We can look ahead to 2007 and have some reasonable assessments. Most striking is that "analog" circuitry and functions, in the broadest sense of the term, will continue to grow in importance to successful products. From mass-media products in multimedia, cell phones, and HDTV, to wired and wireless networks, to industrial and medical applications, anytime you have some sort of real-world I/O or transducer, or a transition between physical media, you have an analog requirement.
DRAM makes move to copper
Teardown  
12/11/2006   Post a comment
Semiconductor Insights' teardown shows that Micron has brought copper interconnects to the MT47H32M16CC-5E 512-Mbit DDR2 DRAM chip.
Power MOSFET Tutorial - Part 2
Design How-To  
12/6/2006   Post a comment
This is the second part of a two-part tutorial on Power MOSFETs, which are well-known for their switching speeds and are considered an ideal switch. Here's your chance to learn how to select the right one for your application.
Power MOSFET tutorial, Part 1
Design How-To  
12/5/2006   1 comment
Power MOSFETs are well-known for their switching speeds and are considered an ideal switch. But, they have drawbacks. In this two-part tutorial, you will learn what they are and how to select the right one for your application.


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Max Maxfield

Analog Faceplate Design Decisions: Art or Science?
Max Maxfield
48 comments
My degree is in Control Engineering -- a core of math with "surrounding subjects" of electronics, mechanics, and hydraulics and fluidics. The only official programming I did as part of ...

Jolt Judges and Andrew Binstock

Jolt Awards: The Best Books
Jolt Judges and Andrew Binstock
1 Comment
As we do every year, Dr. Dobb's recognizes the best books of the last 12 months via the Jolt Awards -- our cycle of product awards given out every two months in each of six categories. No ...

Engineering Investigations

Air Conditioner Falls From Window, Still Works
Engineering Investigations
3 comments
It's autumn in New England. The leaves are turning to red, orange, and gold, my roses are in their second bloom, and it's time to remove the air conditioner from the window. On September ...

David Blaza

The Other Tesla
David Blaza
5 comments
I find myself going to Kickstarter and Indiegogo on a regular basis these days because they have become real innovation marketplaces. As far as I'm concerned, this is where a lot of cool ...