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The Technology Edge is a monthly online technical publication that features articles written by National Semiconductor's Engineers. These articles discuss National products, applications and techniques for solving your analog and mixed-signal design challenges, as well as other pertinent technical information.
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AN-2012: High-Speed Board Layout Challenges in FPGA/SDI Sub-Systems
 Overview: Television and cinema have entered the digital age. Video pictures are used to transport at standard definition rate (270 Mb/s), upgraded to high definition rate (1.485 Gb/s), and are now migrating to 3 Gb/s. The migration to higher speeds enables higher resolution images for entertainment, but it also presents challenges to hardware engineers and physical layout designers. Many video systems are implemented with feature-rich FPGA and multi-rate SDI integrated circuits that support high performance professional video transport over long distances. FPGAs demand high density routing with fine trace width while high-speed analog SDI routing demands impedance matching and signal fidelity. This paper outlines the layout challenges facing hardware engineers and provides recommendations for dealing with these challenges.
AN-1998: How to Meet the HDMI 5V Source Requirement
Overview: The mobile device industry has recognized multimedia content, and the ability to share that content, as a major focus to satisfy customer demand and drive growth. The ever-increasing popularity of websites such as YouTube, Facebook, and MySpace illustrate this demand. In January 2009 alone, YouTube users watched six billion videos. It is also estimated that 20 hours of new video are uploaded to YouTube every minute (Reference 1). This increasing desire for online interaction with friends and loved ones fundamentally drives demand for a personal device which is portable and sufficient at capturing and replaying multimedia.
At the same time, a revolution is happening in the home entertainment market. High-resolution digital content is becoming the norm and is driven through products like high-definition television programming, digital video recorders, BluRay DVDs, 1080p flat panel televisions, high-resolution personal video cameras, and 5.1 surround sound audio systems. In order to enable connectivity between these various units, high-definition multimedia interface (HDMI) has emerged as the standard for high-definition audio and video. In January 2009, HDMI Licensing LLC announced over 600 million HDMI enabled devices are in existence worldwide. In-Stat estimates another 394 million HDMI devices will ship in 2009
| Publication |
PDF |
| AN-2012: High-Speed Board Layout Challenges in FPGA/SDI Sub-Systems |
386KB |
| AN-1998: How to Meet the HDMI 5V Source Requirement |
65KB |
| AN-1984: Improving System Performance with a Semiconductor Temperature Sensor and Switch |
92KB |
| AN-1982: Small, Wide Input Voltage Range LM2842 Keeps LEDs Cool |
91KB |
| AN-1973: Benefits and Challenges of High-Frequency Regulators |
231KB |
| AN-1881: Improving Electromagnetic Noise Immunity in Serial Communications Systems |
101KB |
| AN-1952: Designing with Thermocouples |
95KB |
| AN-1950: Silently Powering Low-Noise Applications |
224KB |
| AN-1930: SIMPLE SWITCHER® Regulators Take Over Automotive Applications |
76KB |
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