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posted in August 2006
Capacitive sensor unbuttons phone
Teardown  
8/28/2006   Post a comment
Handset OEMs typically differentiate their products by increasing the number of features. While this usually is a good thing, there is a downside--more features makes the phone more difficult to use.
Programming heterogeneous multiprocessors
Design How-To  
8/24/2006   Post a comment
In this article, we examine how to program a heterogeneous multiprocessor (such as TI's DaVinci) based on the proven method of the Remote Procedure Call (RPC). We examine how this method addresses numerous programming challenges. We also explain how the RPC method introduces some pitfalls, and show how they may be avoided.
Camera in a pill surveys GI tract
Teardown  
8/21/2006   Post a comment
Able to provide physicians with an internal view of a patient's digestive path, Given Imaging Ltd.'s PillCam is an ingestible diagnostic tool that provides images of the small intestine without invasive surgery or probes.

BOM shrinks handset costs
Teardown  
8/14/2006   Post a comment
Reducing the handset bill of materials can be a chip designer's nightmare, involving further integration of the various radio, baseband and audio functions to reduce chip count. By comparing the silicon solutions developed by Infineon for the Panasonic EB-MX6 handset and the new PMB7870 E- GOLDradio, one can see the cost savings and system simplification achievable with the more highly integrated solution. This article will also review some key aspects of the PMB7870 E-GOLDradio.

An IPv6 Refresher--Part V
Design How-To  
8/14/2006   Post a comment
Excerpted from Deploying IPv6 Networks, Chapter 2--An IPv6 Refresher, Part V is the final in the series. The segment centers on Neighbor Discovery Protocol and IPv6. There are fundamental differences between NDP in v6 and v4. This is a multi-part series on Network Systems DesignLine.
Tutorial: Motion-control architectures adapt to technology changes
Design How-To  
8/11/2006   Post a comment
It's not just improved motors and MOSFETs that matter; architectures play a key role in modern motion control. Understand your options and the characteristics of each.
Build a PBX using Asterisk
Design How-To  
8/8/2006   Post a comment
Implementing an open-source-based PBX for home or office is easy. All it takes is a little hardware and the open source PBX package Asterisk sponsored by Digium.
Brushless motors: What's not to like?
Design How-To  
8/8/2006   Post a comment
This week, Guest Commentator David Cox of Apex Microtechnology looks at the reasons for the increasing role of brushless motors in varied applications
Bill Schweber, Site Editor, Planet Analog
An IPv6 Refresher--Part IV
Design How-To  
8/7/2006   Post a comment
Excerpted from Deploying IPv6 Networks, Chapter 2--An IPv6 Refresher, Part IV builds on Parts I-III and delivers a complete refresher on Internet Control Message Protcol (ICMP) for IPv6. This is a multi-part series on Network Systems DesignLine.
Platform design for motor controls enables efficient buildings
Design How-To  
8/2/2006   Post a comment
The transfer of heat from inside the room to the outside air requires electrical energy to drive the compressor and fan motors. Old-time controls yield to electronic motor controls, which can implement complex algorithms and control strategies.
An IPv6 Refresher--Part III
Design How-To  
8/2/2006   Post a comment
Excerpted from Deploying IPv6 Networks, Chapter 2--An IPv6 Refresher, Part III explains IPv6 format vs. the IPv4 format, IPv6 extension headers, and IPv6 data-link technologies. This is a multi-part series on Network Systems DesignLine.


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Max Maxfield

Analog Faceplate Design Decisions: Art or Science?
Max Maxfield
19 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 ...