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DisplayPort cable lengths extended

Posted: 11 Dec 2008     Print Version  Bookmark and Share

Keywords:connectivity solution  DisplayPort  copper cable assembly 

Gennum Corp. has rolled out a new connectivity solution for DisplayPort products. By using the new ActiveConnect GV8502 device within a standard copper cable assembly, displays can be driven at distances up to 30m (100ft)—more than 15 times the reach of passive DisplayPort cables, says Gennum.

Supporting 21.6Gbps, up to twice the 10.8Gbps channel required by the DisplayPort HBR specification, the newest ActiveConnect solution can drive multimedia up to 30m over standard copper DisplayPort cables. Additionally, manufacturers can leverage a complete ActiveConnect reference design kit (RDK) that enables fast integration for cables, as well as wall plates, dongles and booster products that support DisplayPort. The new ActiveConnect DisplayPort RDK provides a turnkey design capability that shortens design time enabling faster time-to-market.

Last year, Gennum claimed it was the first company to deliver support for full-rate HDMI 1.3 with a transmit/receive solution capable of operating at distances of 100m over coaxial cable, which has since been adopted by leading cable manufacturers serving the home theatre custom install market. The ActiveConnect family also includes HDMI 1.3 support for Category 5/6 and thin HDMI cables, wall plates and boosters for the consumer and custom install market.

Targeting DisplayPort applications, the GV8502-based solution is an active, receive-only solution that will be sold as part of a RDK containing a demonstration cable and design collateral. The kit can be leveraged to design cables, dongles, boosters and extenders capable of supporting the full suite of DisplayPort features and functions. The ActiveConnect reference design kit for DisplayPort will be available in January 2009. Initial volume pricing for the ActiveConnect GV8502 silicon solution for DisplayPort is expected to be Rs.100.07 ($2) per unit in volume.

"We see broad market adoption of DisplayPort, in commercial applications such as digital signage and business projectors found in meeting/conference rooms, auditoriums and training facilities," said Vijay Sharma, director of product marketing, analogue and mixed-signal division, Gennum. "These applications require cables as long as 100 feet, and have therefore been unable to take advantage of the multimedia quality that DisplayPort offers. The Gennum ActiveConnect GV8502 can be seamlessly and cost-effectively embedded into the cable, enabling a variety of new active cable solutions that will allow DisplayPort to become a pervasive technology in these fast-growing markets."

According to Brian O'Rourke, analyst at market research firm In-Stat, "DisplayPort is a next-generation digital interface between PCs and LCD monitors that holds great promise for both the consumer and commercial industries. We are just starting to see products emerge that support DisplayPort, and we believe that DisplayPort-enabled devices will grow at an annual rate of 243 per cent from 2008 to 2012, representing tremendous opportunities for product and accessories manufacturers that can quickly develop DisplayPort products to capitalise on this growth."

The Video Electronics Standards Association (VESA), which introduced DisplayPort in 2006, last year ratified DisplayPort version 1.1a, thus enabling resolutions as high as 4K2K (4x resolution of 1080p displays today), 16bit colour depths and 120Hz refresh rates.

Gennum will be demonstrating its ActiveConnect solutions at the upcoming Consumer Electronics Show being held Jan. 8-11, 2009 in Las Vegas.

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