Grass-valley 8937 v.1.1.0 User Manual download pdf (Page 41)

8937/8937D — Instruction Manual 41

Specifications

Table 7. 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 Conforming SDI SMPTE 259M (143 Mb/s, 177 Mb/s, 270 Mb/s, 360 Mb/s),

DVB-ASI (passing 50 Mb/s to 360 Mb/s with maximum P/N of 19/1)

Reclocked data rates 143 Mb/s, 177 Mb/s, 270 Mb/s, and 360 Mb/s

Supported data rates 50 Mb/s to 360 Mb/s with maximum P/N of 19/1

Signal level SDI 800 mV p-p (± 10% maximum)

Return loss > 15 dB, 4 MHz to 360 MHz

Automatic cable equalization

(1694A cable)

Up to 300 meters for SDI SMPTE signals up to 270 Mb/s

Up to 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 ohm

Signal types Conformed SDI SMPTE 259M (143 Mb/s, 177 Mb/s, 270 Mb/s, 360 Mb/s),

DVB-ASI (passing 50 Mb/s to 360 Mb/s with maximum P/N of 19/1)

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

GeckoFlex with 8900V-R Rear Module

Video/8800/8500 (with trace cut and with certain power and return loss limitations)

Rear retainer clip screw torque 4-5 inch-lb/0.45-0.6Nm

Power

Power consumption < 3 W

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