Specifications – Grass Valley 8920MUX User Manual
Page 35
8920MUX Instruction Manual
35
Specifications
Specifications
Table 7. 8920MUX Specifications
Parameter
Value
SDI Input
Number of inputs
1 loop-through
Connector type
BNC
Input impedance
High impedance
Signal type
270 Mbit signal format, SMPTE 259M serial 10-bit 4:2:2 component
video, 525 or 625
Signal level
SDI
Return loss
>15 dB, 5 to 270 MHz
Cable equalization
Automatic for <984 ft (300 m)
Digital Audio Input
Number of inputs
2
Signal type
AES/EBU
Connector type
Unbalanced – One 75Ω BNC per input
Balanced – One 110 Ω terminal block per input (with adapter)
Input impedance
75 Ω or 110 Ω
Sampling rate
48 kHz sample rate 20 or 24-bit
Signal level
1 V peak to peak
SDI Output
Number of outputs
4
Connector type
BNC
Signal type
SMPTE 259M
Return loss
>15 dB, 5 to 270 MHz
Output impedance
75 Ω
Error checking
EDH embedded
Clock jitter
<0.2 UI
Signal Processing Functions
Electrical length
12 µs
Audio delay
875 µs
Audio format
48 kHz synchronous audio formatted per proposed SMPTE standard
“Formatting AES/EBU audio and auxiliary data into digital video ancil-
lary data space.”
Interchannel crosstalk
<-100 dB, 20 Hz - 20 kHz
Signal
Mode 1
AES/EBU 48 kHz sample rate, 20/24 bits, must be synchronous with
SD video
Mode 2
AES/EBU 48 kHz sample rate, 20/24 bits, frequency minimum grade 2
compliant
Mode 3
AES/EBU 48 kHz sample rate, 20/24 bits, must be synchronous with
SD video
Signal Level
1 V peak-to-peak nominal