Specifications – Grass Valley 8920ADC v.2.0.1A User Manual
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8920ADC Instruction Manual
Specifications
Specifications
Table 8. 8920ADC Specifications
Parameter
Value
Analog Input
Number of inputs
Balanced stereo pair
Connector type
Terminal block
Input impedance
> 20 kΩ differential
Input level range
+12 to +28 dBu
Common mode rejection
> 65 dB 50 Hz to 20 kHz
Differential DC
0.25 V maximum
Common mode input voltage
20 V maximum
AES Reference Input
Signal type
AES3 ID (1992) transformer coupled
Number of inputs
1 Loop-through
Input return loss
>15 dB (100 kHz-10 MHz)
Sampling rate
48 kHz
Maximum jitter
< 200 ps RMS
Outputs
Number of outputs
4
Signal type
SMPTE 276M, AES3 ID (1992)
Signal level
+12 to +28 dBu input range adjustable to 0.0 dBFS
Output impedance
75 Ω
Connector type
75 Ω BNC
Coupling
AC coupled
Performance (@ +28 dBU input and full scale output)
Sampling rate
48 kHz
Frequency response
± 0.05 dB relative to 1 kHz, 20 Hz to 20 kHz
Signal-to-noise ratio
>102 dB unweighted, 20 Hz to 20 kHz
>105 dB “A” weighted, 20 Hz to 20 kHz
Interchannel crosstalk
<-100 dB, 20 Hz - 20 kHz
Delay (input to output)
925 µS
Environmental
Frame temperature range
See Gecko 8900 Frame specification
Operating humidity range
0 to 90% non-condensing
Non-operating temperature
-10 to 70 degrees C
Mechanical
Frame type
Gecko 8900 Series
Power Requirements
Supply voltage
±12 V
Power consumption
< 4.2 Watts