Ref:
GS2964-INe3

GS2964-INe3

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Short-range, adaptive 3G multi-range equalizer

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The GS2964 is a cost optimized short reach equalizer that still supports 100m at 3Gb/s. The GS2964 is a high-speed BiCMOS integrated circuit designed to equalize and restore signals received over 75ohm 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 GS2964 features DC restoration to compensate for the DC content of SMPTe pathological test patterns.



The Carrier Detect output pin (CD) indicates whether a valid input signal has been detected. It can be connected directly to the MUTe pin to mute the output on loss of carrier. A voltage programmable threshold, which can be changed via the SQ_ADJ pin, forces CD high when the input signal amplitude falls below the threshold. This allows the GS2964 to distinguish between low-amplitude SDI signals and noise at the input of the device.



The equalizing and DC restore stages are disengaged when the BYPASS pin is HIGH. No equalization occurs in Bypass mode.



The differential outputs can be DC-coupled to Gennum 3.3V cable drivers and reclockers and to other industry-standard 3.3V CML logic.



The GS2964 is footprint and drop-in compatible with existing GS2974 designs, with no additional application changes required.



The device is available in a 16-pin, 4mm x 4mm QFN package.



Power consumption of the GS2964 is typically 215mW.



The GS2964 is Pb-free, and the encapsulation compound does not contain halogenated flame retardant.



This component and all homogeneous subcomponents are RoHS compliant.



 








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Technical features
Type
Nbr channels
Supply Voltage
Low Noise
Channels number
Type
SDI Interfaces
SDI interfaces
Video interface
Video SFP modules
Type
Number of cells
Overcharge Detection Voltage
Overdischarge Detection Voltage
Type
Iout
Vout
Input voltage
Family
Type
Frequency tolerance
Dimensions
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