GS2993

GS2993 Dual Output Adaptive Cable Equalizer Key Features SMPTE 424M, SMPTE 292M and SMPTE 259M compliant Automatic cable equalization Multi-standard operation from 143Mb/s to 2.97Gb/s Performance optimized for 270Mb/s, 1.485Gb/s and 2.97Gb/s. Typical equalized length of Belden 1694A cable: Š 140m at 2.97Gb/s Š 220m at 1.485Gb/s Š 400m at 270Mb/s Supports DVB-ASI at 270Mb/s Dual, independently-controlled outputs 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 Š Standby power <30mW (typical) Differential outputs support DC coupling to 1.2V, 2.5V or 3.3V CML logic 0/6 dB gain boost selection pin Cable Length Indicator output; varies monotonically with input cable length Selectable de-emphasis: 2dB, 4dB and 6dB Standard EIA/JEDEC logic control and status signal levels Single 3.3V power supply operation 207mW power consumption (typical) Wide operating temperature range of -40ºC to +85ºC Small footprint QFN package (4mm x 4mm) Pb-free and RoHS compliant Applications SMPTE 424M, SMPTE 292M and SMPTE 259M coaxial cable serial digital interfaces Description The GS2993 is a high-speed BiCMOS integrated circuit designed to equalize and restore signals received over 75Ω coaxial cable. The device is designed to support SMPTE 424M, SMPTE292M and SMPTE 259M, and is optimized for performance at 270Mb/s, 1.485Gb/s and 2.97Gb/s. The ...