Ultra-fast HDMI switch

23 January 2008 Telecoms, Datacoms, Wireless, IoT

STMicroelectronics has released what it claims is the first HDMI (high-definition multimedia interface) switch in the world to support a video data-transfer rate of up to 3,4 Gbps, enabling full 16-bit colour depth to be maintained for a true high-definition picture. The STDVE003A is designed to be used in LCD and plasma TV sets to provide multiple HDMI inputs for external program sources, such as game consoles, high-definition DVD players (Blu-ray and HD-DVD), and set-top boxes. In addition, its integrated equaliser is designed to overcome signal degradation when long (greater than 20 m) and lossy cables are used. The STDVE003A is an active digital multiplexer designed for high-performance Transition Minimised Differential Signalling data transfer. Configured as a 3:1 switch, it enables TV designers to provide as many as three input ports while using only a single HDMI receiver chip. Signal integrity is maintained and enhanced by an internal active block which receives and equalises the input signal before transmitting it to the next stage.

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