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.
Our 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.
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I designed my first product using the Serial Digital Interface (SDI) back in 1996, and little did I know that this fledgling coax-based video interface standard would dominate my career for the next 20+ years. Back then, SDI was limited to carrying Standard Definition (SD) digital video at 270 Megabits per second (Mbps), but would evolve to higher and higher data rates to carry High Definition 720p, 1080i and 1080p, and most recently 4K Ultra High Definition (UHD) video, at cable lengths that were not thought possible. The convenience of a low cost single conductor coaxial copper cable, capable of carrying 4K video up to 100m has meant that SDI has become the de facto AV connectivity of choice in markets such as broadcast, Pro AV, medical and surveillance.
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