• GS12241
  • 12G UHD-SDI Re-timing Adaptive Cable Equalizer
  • GS3241
  • 3G HD-SDI Re-timing Adaptive Cable Equalizer
  • GS12141
  • 12G UHD-SDI Retiming Adaptive Cable Equalizer
  • GS3140
  • Low-power, Multi-Rate Adaptive 3G SDI Equalizer
  • GS3441
  • Long Reach, Dual Output, Multi-rate 3G Adaptive Cable Equalizer
  • GS3440
  • Long Reach, Multi-rate 3G Adaptive Cable Equalizer
  • GS2994
  • Multi-rate 3G Adaptive Cable Equalizer
  • GS2993
  • Multi-rate 3G, Dual Output, Adaptive Cable Equalizer
Semtech GS6042

Semtech GS6042

Long Reach Multi-rate 6G UHD-SDI Adaptive Cable Equalizer

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The GS6042 is a high-speed BiCMOS device designed to equalize and restore signals received over 75 Ohms coaxial cable.

The device is designed to support 6G UHD-SDI, SMPTE ST 424, SMPTE ST 292 and SMPTE ST 259, and is optimized for performance at 270Mb/s, 1.485Gb/s, 2.97Gb/s, and 5.94Gb/s.


  • Multi-standard operation from 125Mb/s to 5.94Gb/s
  • SMPTE ST 2081, ST 424, ST 292, and ST 259-C compliant
  • Automatic cable equalization
  • Performance optimized for 270Mb/s, 1.485Gb/s, 2.97Gb/s, and 5.94Gb/s. Typical equalized length of Belden 1694A cable up to:
    • 80m at 5.94Gb/s
    • 210m at 2.97Gb/s
    • 300m at 1.485Gb/s
    • 550m at 270Mb/s
  • Supports DVB-ASI at 270Mb/s
  • Supports MADI at 125Mb/s
  • Manual bypass (useful for low data rates with slow rise/fall times)
  • Programmable carrier detect with squelch threshold adjustment
  • Automatic power-down on loss of signal
    • Standby power <35mW (typical)
  • Differential output supports DC-coupling from +1.2V to +3.3V CML logic
  • Option to compensate for 6dB flat attenuation prior to input of device
  • Selectable output de-emphasis: 2dB, 4dB and 6dB
  • Standard EIA/JEDEC logic control and status signal levels
  • Single +3.3V power supply operation
  • 180mW power consumption (typical)
  • Wide operating temperature range of -40ºC to +85ºC
  • Small footprint QFN package (4mm x 4mm)
    • Footprint compatible with the GS2974A, GS2974B, GS2984, GS2994, and GS3440
  • Pb-free and RoHS compliant


  • SMPTE ST 2081, SMPTE ST 424, SMPTE ST 292, SMPTE ST 259 and AES10 coaxial cable serial digital interfaces

Order Codes

  • GS6042-INTE3Z: Lead-Free, RoHS Compliant, Tape and Reel-2500 Pieces
  • GS6042-INTE3: Lead-Free, RoHS Compliant, Tape and Reel-250 Pieces
  • GS6042-INE3: Lead-Free, RoHS Compliant, Tray-490 Pieces
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