Atec Tektronix-VM700T - Manual (Page 5)

MEASURE MODE (continued)
CHROMINANCE NON-LINEARITY 4
Absolute Relative
Measurement Range Mode Mode
Accuracy Accuracy
Chrominance Amplitude 0 to 100% ±0.4% ±0.2%
Chrominance Phase 0 to 360 deg ±1 deg ±0.2 deg
Chrominance to Luminance –50 to +50% ±0.2% ±0.2%
Intermodulation
SMPTE COLOR BARS NOMINAL VALUES
Color LUM (mV) Chroma P-P (mV) Phase (degrees)
Yellow 494.6 444.2 167.1
Cyan 400.4 630.1 283.4
Green 345.9 588.5 240.8
Magenta 256.7 588.5 60.8
Red 202.2 630.1 103.4
Blue 108.1 444.2 347.1
DIFFERENTIAL GAIN AND PHASE
Absolute Relative
Measurement Range Mode Mode
Accuracy Accuracy
Differential Gain 0 to 100% ±0.3% ±0.03%
Differential Phase 0 to 360 deg ±0.3 deg ±0.03 deg
Chrominance Non-Linearity measurement.
J
COLOR BAR
Absolute Relative
Measurement Range Mode Mode
Accuracy Accuracy
Luminance Level 0 to 100 IRE ±0.5 IRE ±0.2%
(0 to 714.3 mV)
Chrominance Level 0 to 100 IRE ±1.0% of ±0.2%
(excluding gray and black) (0 to 714.3 mV) nominal
Chrominance Phase ±180 deg of ±0.5 deg of ±0.1 deg
nominal nominal
Color Bar measurement.
K
Differential Gain and Phase measurement.
4 4 Accuracies for chrominance non-linearity amplitude and phase measurements assume an average of 256.
Chrominance Amplitude Error (%) Ref = 40 IRE Packet Chrominance Amplitude Error (%) Ref = 40 IRE Packet
Chrominance Phase Error (deg) Ref = 40 IRE Packet Chrominance Phase Error (deg) Ref = 40 IRE Packet
Chrominance Luminance Intermodulation (% of 714 mV) Chrominance Luminance Intermodulation (% of 714 mV)
20 IRE 20 IRE 40 IRE 40 IRE 80 IRE 80 IRE
-0.06
-0.04
-0.02
0.00
0.02
0.04
-0.06
-0.04
-0.02
0.00
0.02
0.04
-0.04
-0.02
0.00
-0.04
-0.02
0.00
0.00
0.05
0.10
0.00
0.05
0.10
Chrominance Nonlinearity (NTSC) Wfm --> Chrominance Nonlinearity (NTSC) Wfm --> NTC-7 Combination
256 -> 256
Field = 1 Line = 16 Field = 1 Line = 16
Average Average
-0.0 0.0 -0.1
0.0 0.0 -0.0
0.1 0.0 0.0
Luminance Level (IRE) Luminance Level (IRE)
Chrominance Level (IRE) Chrominance Level (IRE)
Chrominance Phase (deg) Chrominance Phase (deg)
Gray Gray Yellow Yellow Cyan Cyan Green Green Magenta Magenta Red Red Blue Blue Black Black
0.0
50.0
100.0
0.0
50.0
100.0
0.0
50.0
100.0
0.0
50.0
100.0
0.0
100.0
200.0
300.0
400.0
0.0
100.0
200.0
300.0
400.0
ColorBar (NTSC) Wfm --> ColorBar (NTSC) Wfm --> FCC Color Bar
32 -> 32
Field = 2 Line = 20 Field = 2 Line = 20
Average Average
94.0 68.0 55.8 48.7 37.0 29.5 16.9 9.3
0.4 49.9 73.6 68.6 70.1 77.3 53.9 0.5
------- 168.3 283.6 241.1 60.0 103.5 346.1 -------
Differential Gain (%) Differential Gain (%)
Differential Phase (deg) Differential Phase (deg)
1st. 1st. 2nd. 2nd. 3rd. 3rd. 4th. 4th. 5th. 5th. 6th. 6th.
-15.0
-10.0
-5.0
0.0
5.0
-15.0
-10.0
-5.0
0.0
5.0
-0.4
-0.2
-0.0
0.2
0.4
-0.4
-0.2
-0.0
0.2
0.4
DG DP (NTSC) Wfm --> DG DP (NTSC) Wfm --> FCC Composite
32 -> 32
Field = 1 Line = 16 Field = 1 Line = 16
Average Average
0.00 -0.61 -2.40 -5.40 -8.14 -12.18
min =-12.18 max = 0.00 p-p/max = 12.18
0.00 0.29 -0.11 -0.21 0.23 0.21
min = -0.21 max = 0.29 pk-pk = 0.50
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