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IQBADX
SECTION 28c
IQBADXOPS
050804
www.snellwilcox.com
Version 1 Issue 5
28c.3
BLOCK DIAGRAM
RollCall™
Processor
Deserialize
Audio
Extract
Audio
Extract
Audio
Extract
Audio
Extract
7 x Tone
Silence
3 x SDI
Outputs
(-D version only)
EDH
Check
LR Map
Extract/Tone/Silence
SDI
Input
AES Reference
Input
Receiver
ANC
Status
AES OUTPUTS
1
2
3
4
GPI (-D version only)
Audio Clock
Clock/PLL
Analog Outputs
Left 1
Right 1
Left 2
Right 2
DAC
DAC
DAC
DAC
DAC
Features
Demultiplexes four audio pairs from serial 4:2:2 video
•
Simultaneous Analog and AES/EBU digital outputs
•
Audio extraction independently selectable by pair
•
Channel 1/2 mapping (1/2,2/1,1/1,2/2)
•
20-bit digital to analog conversion, -95 dB THD+N (FS)
•
Analog output level manually adju12 to +24 dBu for 0 dB FS in
•
Crystal PLL for low jitter
•
Automatic 525 and 625 line operation
•
Embedded audio presence indication
•
7 internal precision tones or silence selectable for output
•
EDH monitoring
•
RollCall control
•
General Purpose control Input (GPI) (-D version only)
•
Balanced (D-type) or Unbalanced (BNC) AES versions