EDN - January 22, 2004

In recent years, the open-source software-development process has demonstrated some impressive successes (see sidebar "Defining open source"). According to the December 2003 Netcraft Web Server Survey (news.netcraft.com), users employ the Apache HTTP Server project, an open-source project of the Apache Software Foundation (www.

• Departments and Columns
• Baker's Best
• When things go wrong, listen for the heartbeat
• Signal Integrity
• Common-mode analysis of skew
• edn.comment
• Living in the materials world

• Design Ideas
• Force/sense connection eliminates multiplexer on-resistance error
• FPGA-configuration scheme is flexible
• Add fault protection to a 4- to 20-mA loop supply
• Analog multiplexer uses flying capacitors

• Features
• Design Feature
• Overcoming DDR-2-interface challenges
• Eyes and ears everywhere: networking embedded devices

• Leading Edge
• DVD controllers deliver the write options
• Digital-multimedia interface grows up