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Cable Technology Feature Article

September 02, 2011

Gennum Unveils Two New 3Gb/s Cable Drivers

By Raju Shanbhag, TMCnet Contributor

Enhancing its extensive portfolio of broadcast video semiconductor solutions, Gennum Corporation has announced the addition of two new, feature-packed 3Gb/s cable drivers to its product portfolio.

Featuring adjustable output pre-emphasis, the GS3480 is the industry's only cable driver. Output pre-emphasis can be used to compensate for losses associated with thinner cables, long cable runs, high-density connectors and mid-plane and backplane connectors. While the GS3481 features four non-inverted outputs, the GS3480 features dual non-inverted SDI outputs in addition. Gennum's unique expertise in broadcast technology helps deliver high-performance products for the most demanding real-world applications. A common real-world application for cable drivers is to handle polarity sensitive signal formats such as DVB-ASI.

“In our decades as a leading innovator in broadcast solutions, Gennum has developed a deep understanding of our customers' applications,” said Bharat Tailor, director of Video Marketing for Gennum in a company press release. “This thorough knowledge guided our design of the GS3480, allowing us to deliver its unique feature set.”

Simplifying design considerations, and lowering development and BOM costs, the GS3480 can support DVB-ASI without additional downstream hardware, with its non-inverted outputs. The GS3480 cable driver also features the industry's largest output swing at 2400mV. Apart from other system architectures that cause DC loss, this high output swing supports larger system architectures that require external passive muxing, external cable and connector losses associated with patch panels. For the most demanding real-world applications, Gennum's unique expertise in broadcast technology helps deliver high-performance products.

In July 2008, the company acquired ASIC Architect, a developer of high-speed controller intellectual property (IP) based in Santa Clara, California. The acquisition is expected to accelerate Gennum's new analog and mixed-signal product introductions and complement its existing Snowbush IP offering, which currently consists of advanced physical layer (PHY) IP cores for high-speed data communications. ASIC Architect also augments Gennum's global design expertise and expands its IP engineering team.

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Raju Shanbhag is a contributing editor for TMCnet. To read more of Raju’s articles, please visit his columnist page.

Edited by Jennifer Russell