Measure mode (continued), Chrominance non-linearity, Smpte color bars nominal values – Atec Tektronix-VM700T User Manual
Page 5: Differential gain and phase, Color bar
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.
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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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