Technical details – Grass Valley NV8256-Plus v.1.2 User Manual
Page 81

NV8256-Plus Digital Video Router • User’s Guide
71
8. Technical Details
Video Specifications
3Gig (3.0
Gb/s, HD and SD)
inputs and outputs
Type: high definition, serial digital video.
Standard: SMPTE 259M-C, 292M and 424M.
Data rate: auto re-clocking at 270
Mb/s and 1.483, 1.485, 2.966,
2.970
Gb/s or auto bypass.
Data rate: pass-through at 10
Mb/s to 3.0
Gb/s.
Connectors: BNC.
Impedance: 75
Ω.
Cable equalization (for cables listed or equivalent cable):
400
m Belden 1694A,
250
m Belden 1855A
at 270
Mb/s.
150
m Belden 1694A, 100
m Belden 1855A at 1.5
Gb/s.
100
m Belden 1694A, 45
m Belden 1855A at 3.0
Gb/s.
Router path: non-inverting.
Output level: 800
mVpp ± 10%.
Input and Output Return Loss: > 15
dB, 5
MHz to 1.5 GHz; > 10
dB,
1.5 GHz to 3.0
GHz.
Output rise/fall time:
≤ 135
ps.
Output overshoot:
≤ 10% of amplitude max.
Output alignment Jitter:
≤ 0.3
UI pp from 100
kHz to 300
MHz.
Output timing jitter:
≤ 2.0 UI pp from 10
Hz to 100
kHz.
Analog/Digital Video
Conversion
Type: analog to digital video conversion.
Standard: NTSC, PAL analog composite video.
Connectors: BNC.
Impedance: 75
Ω.
Level: 1
Vpp, nominal.
Common mode range: ±2
Vpp.
Frequency response (input): ± 0.5 dB to 5.5
MHz (luminance).
Frequency response (output): ± 0.2
dB to 5.5
MHz (luminance).
Luma/chroma delay: < 12
ns.
Luma/chroma gain inequality: < 0.5
dB.
Differential gain: < 0.3%.
Differential phase: < 0.3 degrees.
Pedestal (input): > 75
dB unweighted.
Pedestal (output): > 75
dB unweighted.
Ramp (input): > 50
dB unweighted.
Ramp (output): > 62.5
dB unweighted.
Specification
Detail