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TI claims industry's first 12G UHD-SDI reclocker

02 Sep 2013

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LMH1256 reclocker

Texas Instruments recently introduced what it claims as the industry's first 12G ultra-high-definition (UHD) serial digital interface (SDI) reclocker with integrated signal conditioning. The four-channel LMH1256 doubles the transmission rate of competing 6G devices, allowing broadcast video equipment to capture, record and play back 4K video signals at 60Hz over a single link of coaxial cable. The LMH1256 reclocker addresses next-generation systems, including digital video routers, switches, encoders/decoders, modular cards, multi-viewers and display monitors.

The emerging 4K UHD standard delivers four times the image resolution compared to current 1080p HD video equipment. By enabling a screen display resolution of 3048 by 2160 pixels, 4K UHD presents video in much greater detail, offering consumers a more immersive TV viewing experience.

The LMH1256 enables broadcast video equipment to transmit 4K video signals at 60Hz over a single coaxial cable link, and deliver multi-rate operation at transmission speeds from 270Mbit/s to 11.868Gbit/s. The LMH1256 recovers the serial clock and retimes the serial data stream to suppress accumulated jitter. It features an on-chip oscilloscope probe, enabling system designers to examine transmitted signals at any point in the system for faster time-to-market. Equipment end users save time and repair costs during debug and installation via the eye monitor's ability to detect a faulty signal or cable. The device's 200mW typical power consumption enables system designers to pack in more channels and features into smaller frames. The LMH1256 also boasts four channels, helping users design multi-channel equipment with smaller board size and footprint.

Furhter information regarding the LMH1256 reclocker can be found here.

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