The GS2978 is a cable equalizer designed for SMPTE 424M, SMPTE 292M, and SMPTE 259M serial digital video signals. Manufactured by Gennum, this component is crucial for maintaining signal integrity over long coaxial cable runs. It automatically compensates for cable losses, ensuring a clear and reliable video signal at the receiver.

Applications

• Broadcast video equipment
• Digital video recorders (DVRs)
• Professional video cameras
• Video distribution amplifiers
• Video routers and switchers

Features

• Automatic cable equalization for SMPTE 424M, SMPTE 292M, and SMPTE 259M standards
• Supports data rates up to 2.97 Gbps
• Low power consumption
• Output pre-emphasis for improved performance
• Adjustable equalization range
• Internal Cable Length Indicator

Benefits

• Extended cable reach without signal degradation
• Improved video quality and reliability
• Reduced system cost by eliminating the need for multiple repeaters
• Simplified system design and installation
• Maintains signal integrity in demanding broadcast environments

Additional Details

The GS2978 utilizes advanced equalization techniques to counteract the effects of cable attenuation. It’s designed to automatically adapt to different cable types and lengths, providing optimal performance without manual adjustments. Its low power consumption makes it suitable for battery-powered devices. The output pre-emphasis feature further enhances signal quality by compensating for high-frequency losses.

This cable equalizer is commonly used in various video processing and distribution systems to ensure high-quality signal transmission. Its ability to support multiple SMPTE standards makes it a versatile solution for a wide range of applications. Proper grounding and impedance matching are crucial for optimal performance.

The GS2978's internal cable length indicator assists installers in determining the approximate length of the connected cable, allowing for quick setup and troubleshooting.