Cable driver to support SDI- and IP-based 4K video

Cable driver to support SDI- and IP-based 4K video

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By eeNews Europe

LMH1218, says TI, gives engineers the flexibility to design video infrastructure equipment for SDI or Internet protocol (IP) formats with a single component. Featuring an integrated reclocker, the LMH1218 supports both coax cable and optical media for uncompressed video transmission inside buildings and over long-haul networks. Saving up to 40% board space compared to alternative solutions, this integration simplifies the design of applications such as broadcast video routers and switches, digital signage, test and measurement equipment, medical imaging, and security and surveillance equipment.

LMH1218 offers:

Transport flexibility: Supports SDI and IP-based video infrastructure, allowing engineers to use a single device for either output or design end equipment with both output options.

Reduced system complexity: An integrated reference-less reclocker eliminates the need for external components to transmit over either optical or coax media. Competing solutions require two or more devices to support each media type.

High data rate: Transmits up to 12 Gbps, enabling UHD resolution of 4K at a 60p frame rate over a single coax cable.

Low power: Typical power consumption is 300 mW, which on average is 30% lower than a discrete solution of cable driver and reclocker.

Board diagnostics: The eye-monitor function plots incoming signals and detects vertical or horizontal eye openings, which can be used to enhance system reliability.

The LMH1218 evaluation module (EVM) allows designers to evaluate device features and performance. The LMH1218EVM can be purchased in the TI store for $449. The LMH1218 comes in a 4 x 4 mm quad flat no-lead (QFN) package at $25 (1,000). TI has an article about video standards and the 4K video revolution.

Texas Instruments;

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