Specifications – Grass Valley 8950ADC User Manual
Page 33

8950ADC Instruction Manual
33
Specifications
Specifications
Table 6. 8950ADC Specifications
Parameter
Value
Analog Component Input
Signal type
SMPTE, GBR, EBU N10, Beta (US), Beta (Japan), MII (US),
MII (Japan)
Number of inputs
3: Y, (B-Y), (R-Y) or G, B, R
Connector type
75 Ω BNC
Signal level
1 Vpp +15% max (Y or G channel)
0.7Vpp +15% [(B-Y), (R-Y) or B, R channels]
Return loss
> 40 db to 5.5 MHz
External Sync Input
Signal type
Color black: 140 mV to 560 mV / Composite sync: 600 mV to 3 V
Number of inputs
1 loop-through
Connector type
75 Ω BNC
Impedance
Hi Z (> 10k)
Return loss
> 40 db to 5.5 MHz
Digital Outputs
Number of outputs
2
Connector type
75 Ω BNC
Signal formats
SMPTE 259M
Return loss
> 18 dB, 5 MHz - 270 MHz
Error handling
EDH embedded
Performance
Standards
Input: 525 or 625 (auto or manual)
Sampling
4 times over-sampling
Input A/D
10 bits
Frequency response
Y,G,B,R: ±0.1 dB (10 Hz to 5.5 MHz)
(R-Y), (B-Y): ±0.1 dB (10 Hz to 2.75 MHz)
Group delay error
Y: < 5 ns peak to peak (10 Hz to 5.5 MHz)
(R-Y), (B-Y): < 5 ns peak to peak (10 Hz to 2.75 MHz)
Propagation delay
2.5 µs GBR input; 2.1 µs Y(B-Y) (R-Y) input
Delay control (user)
Up to 2.5 line (37 ns increments)
Relative timing of CAV outputs
Y to B-Y and R-Y within 2 ns
K-factor 2T pulse
K < 0.4%
Vertical blanking
525:
Narrow (short) – 9 lines
Wide – 19 lines
625:
Narrow (short) – 9 lines
Wide – 25 lines
Input gain control
± 50% ± 20%
Black level setup
Manual, all channels (±15%)
Signal-to-noise ratio
≥ 60 dB