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Broadcast Video
Broadcast Video - Semtech Products

An innovator of serial digital interface (SDI) technology, Semtech was first to market with an array of advanced ultra-high definition (UHD)-SDI solutions and now lead the way in proven UHD-SDI, 3G-SDI, high definition (HD)-SDI and standard definition (SD)-SDI technologies. Today, we offer the world’s most progressive solutions designed specifically for real world broadcast challenges. Always striving to push the boundaries of performance, reach, and signal integrity, Semtech’s goal is to reduce time to market and design risks. UHD-SDI is ideal for UHDTV-1 and UHDTV-2 infrastructures that include routers, cameras, monitors, switchers, and more.

 

In fact, there’s a good chance that any television broadcast has passed through several Semtech components.

 

AV Interface & Protocol Conversion

Semtech’s UHD-SDI/HDMI conversion devices are uniquely positioned to provide robust rate conversion, interface standard conversion and protocol conversion, with low-power operation and a small footprint. These devices are ideal for integration in 4K monitors, cameras, extenders, format converters, production switchers, and other AV equipment.

 

The GS12070 UHD-SDI Gearbox supports SDI rate conversions between multi-link, dual-link and single-link UHD-SDI interfaces. Semtech's device supports 12Gbps, 6Gbps, 3Gbps, and 1.5Gbps data rates in the conversion modes and supports 270Mbps in bypass mode. It eases the system challenge of receiving multi-link SDI signals by automatically compensating for input channel skew.

 

The GS12170 SDI/HDMI Bridge includes all the features of the GS12070, and adds conversion of HDMI signals to SDI, or vice versa. It enables low-power, seamlessly connected, uncompressed 4K video, multi-channel audio, and large amounts of metadata to cross the barrier between HDMI and SDI without requiring an expensive FPGA.

 

Configurable Cable Equalizer/Cable Driver Devices

Semtech enables bi-directional capability on a single I/O with a complete range of configurable adaptive cable equalizers/cable drivers. These devices support data rates up to 11.88Gb/s for today’s most demanding broadcast applications.

 

Semtech’s configurable adaptive cable equalizer/cable driver devices provide robust multi-standard operation from DC to 11.88Gb/s with long cable reach in EQ Mode and exceptional output eye quality and jitter in CD Mode.

 

Cable Drivers: 12G, 6G, 3G, HD, and SD

Semtech’s complete line of cable drivers support today’s most demanding applications including 12G UHD-SDI, 6G UHD-SDI, 3G-SDI, HD-SDI, and SD-SDI. Semtech's UHD-SDI cable drivers feature multi-rate operation up to 11.88Gbps, integrated reclocking for the lowest output jitter, input trace equalization, advanced signal integrity diagnostics, and sophisticated, easy-to-use eye shaping.

 

Cable Equalizers: 12G, 6G, 3G, HD, and SD

Semtech provides multi-rate, adaptive, video cable equalizers featuring low-power, long reach and support for data rates up to 11.88Gb/s (12G UHD-SDI). Semtech also offer dominant performance at 6G UHD-SDI, 3G-SDI, HD-SDI, and SD-SDI rates. Semtech's video equalizers feature low-power and small package size, advanced signal integrity diagnostics, integrated reclocking, and crosstalk interference robustness.

 

Multi-format Crosspoint Switches

Developed to support Ultra HD systems, Semtech crosspoint switches provide an unmatched combination of features and performance. Each crosspoint supports data rates up to 3.5 Gbps and can be used in SDI, Xaui™, DisplayPort™, and HDMI switching applications. All Semtech crosspoints provide independent per-channel input and output trace equalization, and outstanding power consumption. Designed with the ability to monitor junction temperature, each crosspoint also features four on-chip temperature sensors.

 

SDI Receivers (Deserializers): 3G, HD, SD, and DVB-ASI

Semtech's SDI receiver (SerDes) offering integrates all the high-speed, mixed signal components (Deserializer, VCO, Adaptive Cable Equalizer, Reclocker) and SMPTE digital video and audio processing required to receive SDI Video. Grouping all of these components in one package reduces the PCB footprint required to implement an SDI receiver and benefits from our superior jitter performance. This optimized, cost-effective and power-efficient ASIC implementation lets you focus on your value-added processing for quicker time-to-market.

 

Semtech's SDI receivers offer integrated SMPTE video processing including descrambling, word alignment, comprehensive error detection and correction, and ancillary data extraction. Additionally, each of our SDI receivers fully supports DVB-ASI inputs. Semtech’s latest receivers include an integrated SMPTE compliant audio de-embedder, supporting AES, I2S and serial digital audio output formats with audio clock generation; further reducing overall system costs.

 

Reclocking: 12G, 6G, 3G, HD, and SD 

Semtech manufactures some of the industry’s highest-performance reclockers; used to manage jitter and maintain overall system robustness. As UHD-SDI infrastructure grows, and a greater amount of processing is being integrated into broadcast products, overall system jitter typically increases. Controlling system jitter is an essential part of reliable operation. Semtech's reclockers include an advanced feature set, in a small size with low-power consumption.

 

SDI Transmitters (Serializers): 3G, HD, SD, and DVB-ASI

Semtech's transmitter (SerDes) offering integrates all the high-speed, mixed signal components (Serializer, VCO, Cable Driver, Reclocker) and SMPTE digital video and audio processing required to transmit SDI Video. Grouping all of these components into one package reduces the PCB footprint required to implement SDI transmit/receive and the solution benefits from our superior jitter performance. This optimized, cost-effective and power efficient ASIC implementation lets you focus on your value-added processing for quicker time-to-market.

 

Semtech's SDI transmitters have the most complete video processing features available. These include integrated SMPTE video processing including scrambling, TRS detection, insertion, and ancillary data insertion. Semtech SDI transmitters can reject up to 300ps of jitter on the parallel clock, outputting very low jitter, SMPTE-compliant SDI signals. All SDI transmitters are DVB-ASI capable.

 

Timing & Synchronization

Semtech offers a complete timing solution for broadcast video. Semtech's clock generators are highly efficient and offer low-jitter flexible I/O frequencies and levels. They can be genlocked to reference with a variable offset and upon loss of reference, the video clocks will flywheel to maintain their frequency. By supplying each clock generator with HSync, VSync and Fsync, the chip will determine if it matches one of 36 video or 16 graphic standards and will report the detected standard. 

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