Building a Digital-to-Analog Converter Box with Toshiba TC90407XBG-Based Solutions

The last major change in the way we watch television occurred in the 1950s when television broadcasting switched from black and white to color broadcasting. Currently, we are in the midst of another major shift, the transition from analog to digital transmission that will culminate with the end of analog transmission on February 17, 2009 per Congressional mandate. Digital TV always provides a crisp picture as it eliminates analog-TV artifacts such as snowy pictures or ghost images. In addition, digital TV encompasses a higher resolution format that is commonly known as high-definition TV (HDTV).

High definition (HD) pictures have five to six times the resolution of analog-TV pictures and thus provide a significantly higher quality viewing experience. Over the last few years, many TV broadcast stations started broadcasting digital TV and pay-TV services such as cable TV or satellite TV have followed suit with upgraded digital-TV/HDTV services. However, many U.S. households still receive over-the-air analog TV and, with the changeover, a considerable number are expected to require converter boxes to translate digital signals into analog equivalents.

This paper examines the changing environment, the technical requirements to build a government-compliant converter box and describes Toshiba's production-ready solutions to enable ODMs and OEMs to take advantage of this attractive market opportunity.

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