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GS12341 Datasheet(PDF) 1 Page - Semtech Corporation |
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GS12341 Datasheet(HTML) 1 Page - Semtech Corporation |
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1 / 109 page  1 of 109 Semtech Proprietary & Confidential GS12341 Final Data Sheet Rev.1 PDS-061928 August 2019 GS12341 12G UHD-SDI Reclocking Adaptive Cable Equalizer www.semtech.com Key Features • 75Ω cable input interface with on-chip termination • SMPTE ST 2082-1, ST 2081-1, ST 424, ST 292-1 and ST 259 compliant input/output • Multi-standard operation from 1Mb/s to 11.88Gb/s • In addition to standard SMPTE rates, the device also supports reclocking of DVB-ASI at 270Mb/s, and MADI at 125Mb/s • 3D Input Signal Eye Monitor • PRBS generator and checker • Automatic cable equalization—typical equalized cable lengths of Belden 1694A cable: 80m at 11.88Gb/s 100m at 5.94Gb/s 190m at 2.97Gb/s 260m at 1.485Gb/s 450m at 270Mb/s and 125Mb/s • Cable equalizer features: Improved reach with stress patterns Automatic power down on loss of signal Programmable carrier detect with squelch threshold adjustment Programmable launch swing compensation for non-compliant source Manual and automatic cable equalizer bypass • Trace driver features: Integrated 100Ω, differential output termination Extends output DC-coupling support with 1.2V to 2.5V output supply range Trace driver data output pre-emphasis to compensate for up to 20” FR4 at 11.88Gb/s Manual or automatic reclocker bypass Manual or automatic mute or disable on LOS • Reclocker features: Manual or automatic rate modes Wide Loop bandwidth control Reclocking at the following data rates: 125Mb/s, 270Mb/s, 1.485Gb/s, 2.97Gb/s, 5.94Gb/s, and 11.88Gb/s—this includes the f/1.001 rates Additional Features • Single 1.8V power supply for analog and digital core • GSPI serial control and monitoring interface • Four configurable GPIO pins for control or status monitoring • Wide operating temperature range: -40ºC to +85ºC • Small 6mm x 4mm 40-pin QFN • Pin compatible with the GS12241, GS12141, GS12142, and GS3241 • Pb-free/Halogen-free/RoHS and WEEE compliant package Applications Next Generation 12G UHD-SDI infrastructures designed to support UHDTV1, UHDTV2, 4K D-Cinema and 3D HFR and HDR production image formats. Typical applications: Monitors, Switchers, Distribution Amplifiers and Routers. Description The GS12341 is a low-power, multi-rate reclocking Cable Equalizer supporting rates up to 12G UHD-SDI. It is designed to equalize and restore signals received over 80 meters coaxial cable at 12G, compensate for DC content of SMPTE pathological signals, and reclock the incoming data. The integrated eye monitor provides non-disruptive mission mode analysis of the post equalized input signal. The 256x128 resolution scan matrix allows accurate signal analysis to speed up prototyping and enable field analysis. Built in macros enable customizable cross section analysis and quick horizontal and vertical eye opening measurements. With high phase consistency between scans and configurable space and time thresholds, algorithms can be deployed in the field to analyse long term signal quality variation (Bathtub Plot) to reduce costly system installation debug time for intermittent errors. The two independently controlled trace drivers feature highly configurable pre-emphasis and swing controls to compensate for long trace and connector losses. The pre-emphasis pulse width can be optimized to compensate for perturbations to frequency response of transmission lines due to vias connectors and stubs. The GS12341 is pin compatible with the GS12241 and GS12141 single input, and GS12142 dual input, 12G UHD-SDI Multi-rate Reclocking Cable Equalizers. It is also pin compatible with the GS3241 3G-SDI Multi-rate Reclocking Cable Equalizer. Note: For the GS12341 to be pin compatible with the GS12142, careful design considerations are required. Contact for your local Semtech FAE for details. |
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