Leader LT4670 - Page 33

3 SPECIFICATIONS
20
Table 3-3 | 3G-B video signal formats and standards
Color System
Quantization
Image
Frame (Field) Frequency/Scanning
Corresponding
Standard
YC
B
C
R
4:2:2
10bit
1920×1080
60/59.94/50/P
SMPTE ST 274
SMPTE ST 372
SMPTE ST 425-1
12bit
1920×1080
60/59.94/50/I
30/29.97/25/24/23.98/P
30/29.97/25/24/23.98/PsF
RGB 4:4:4
10bit
1920×1080
60/59.94/50/I
30/29.97/25/24/23.98/P
30/29.97/25/24/23.98/PsF
12bit
1920×1080
60/59.94/50/I
30/29.97/25/24/23.98/P
30/29.97/25/24/23.98/PsF
I/O Connectors
SDI Output Connector 2 BNC connectors
Output Impedance 75 Ω
Output Amplitude 800 mVp-p ± 10%
Output Return Loss
5 MHz – 1.485 GHz 15 dB or more
1.485 GHz – 2.97 GHz 10 dB or more
Overshoot Less than 10%
Rise and Fall Times
3G 135 ps or less (20 – 80%)
HD 270 ps or less (20 – 80%)
SD 0.4 ns or more, 1.5 ns or less (20 – 80%)
DC Offset 0 ± 0.5 V
SDI Video Output
SDI Signal
Bit Rate
3G 2.970Gbps, 2.970/1.001Gbps
HD 1.485Gbps, 1.485/1.001Gbps
SD 270Mbps
Timing Adjustment
Adjustment Range Entire frame
Adjustment Unit
V Lines
H Clocks (148.5 MHz, 148.5/1.001 MHz, 74.25 MHz,
74.25/1.001 MHz, 27 MHz)