Specifications – Grass Valley 8937 v.1.0.0 User Manual
Page 29

8937/8937D Instruction Manual
29
Specifications
Specifications
Table 4. 8937 and 8937D Specifications
Parameter
Value
Serial Digital Component Inputs
Number of inputs
8937: 2 BNC differential loop-through
8937D: DA 1 – 2 BNC loop-through
8937D: DA 2 – 1 terminated BNC
Input impedance
High Z
Signal type
Serial digital SMPTE 259M (143 Mb/s, 177 Mb/s, 270 Mb/s, 360 Mb/s),
SMPTE 310M,
DVB-ASI
Reclocked data rates
143 Mb/s, 177 Mb/s, 270 Mb/s, and 360 Mb/s
Supported data rates
4 Mb/s to 360 Mb/s
Signal level
SDI 800 mV p-p (± 10% maximum)
Return loss
> 15 dB 4 MHz to 360 MHz
Automatic cable equalization
(Belden 8281 cable)
< 300 meters up to 270 Mb/s
< 200 meters up to 360 Mb/s
Serial Digital Component Outputs
Number of outputs
8937: 8 BNCs
8937D: DA 1 – 3 BNCs
8937D: DA 2 – 4 BNCs
Output impedance
75 Ω
Signal types
Serial digital SMPTE 259M (143 Mb/s, 177 Mb/s, 270 Mb/s, 360 Mb/s),
SMPTE 310M,
DVB-ASI
Signal level
SDI 800 mV p-p (± 10% maximum)
Return loss
> 15 dB 4 MHz to 360 MHz
Error checking
Transparent to embedded EDH
Electrical length
< 20 ns
Output polarity
Non-inverted
Rise and fall time
400 – 700 ps
Jitter
< 0.2 UI
Environmental
Frame temperature range
Refer to frame specification
Operating humidity range
10 to 90% non-condensing
Non-operating temperature
–10 to + 70 degrees C
Mechanical
Frame type
Gecko 8900 Video/8800/8500 (with trace cut),
Power
Power consumption
< 3 W