Atec Tektronix-VM700T - Manual (Page 4)

MEASURE MODE 1,2
BAR LINE TIME
Absolute Relative
Measurement Range Mode Mode
Accuracy Accuracy
Bar Level 50 to 200 IRE ±0.5% ±0.2%
Sync Level 20 to 80 IRE ±0.5% ±0.2%
Sync to Bar Top 70 to 280 IRE ±0.5% ±0.2%
Sync/Bar Ratio 10% to 125% ±0.5% ±0.2%
100% nominal
Bar Tilt (Rec 569) 0 to 20% ±0.2% ±0.1%
Line Time Distortion 0 to 20% ±0.2% ±0.1%
(Rec 567)
Bar Width 10 µS to 30 µS ±100 nS NA
BOUNCE
Measurement Range Accuracy
Peak Deviation 0 to 50% ±1%
Settling Time 0 to 10 sec ±100 msec
BURST FREQUENCY 3
Measurement Range Relative Mode Accuracy
Burst Frequency Error ±100 Hz ±0.5 Hz
H
Bar Line Time measurement.
CHROMINANCE TO LUMINANCE GAIN AND DELAY
Absolute Relative
Measurement Range Mode Mode
Accuracy Accuracy
Chrominance to Luminance Delay ±300 ns ±5 ns ±1.0 ns
Chrominance to Luminance Gain Ratio 0 to 160% ±1.0% ±0.1%
Chrominance to Luminance Gain and Delay measurement.
I
CHROMINANCE FREQUENCY RESPONSE
Absolute Relative
Measurement Range Mode Mode
Accuracy Accuracy
Reference Amplitude 0 to 100 IRE ±1% ±0.5%
Frequency Response 0 to 100 IRE ±1% ±0.5%
CHROMINANCE NOISE
Measurement Range Absolute Mode Accuracy
AM Noise –20 to –80 dB ±1 dB (–20 to –60 dB)
PM Noise –20 to –70 dB ±1 dB (–20 to –60 dB)
1 All accuracies for measurements with averaging capabilities assume the default average of 32.
2 All accuracies for measurements with relative to reference mode assume an average of 256 was used to
create the reference.
3 Requires a reference signal.
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
100.0
110.0
120.0
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
100.0
110.0
120.0
Bar & LineTime (NTSC) Wfm --> Bar & LineTime (NTSC) Wfm -->
100 % = Bar Level 100 % = Bar Level
FCC Composite
32 -> 32
Bar Level = 93.5 IRE
(Ref. b1)
Bar Level = 93.5 IRE
(Ref. Back Porch)
Sync Level = 35.8 IRE
Sync to Bar Top = 129.3 IRE
Sync/Bar Ratio = 95.8 %
(100% = 4/10)
LineTime Dist. = 1.8 %
(Rec. 567)
Bar Tilt = 1.2 %
(Rec. 569)
Bar Width = 18.0 u sec
Field = 1 Line = 16 Field = 1 Line = 16
Average Average
Average
Num 32 Average
Num 32 Relative
to Ref
Relative
to Ref
Reference Reference Acquire Acquire VITS
Search VITS
Search Rescale Rescale
Chroma Gain (%) Chroma Gain (%)
Chroma Delay (n sec) Chroma Delay (n sec)
80.0
85.0
90.0
95.0
100.0
105.0
110.0
115.0
-60.0 -40.0 -20.0 0.0 20.0 40.0 60.0
80.0
85.0
90.0
95.0
100.0
105.0
110.0
115.0
-60.0 -40.0 -20.0 0.0 20.0 40.0 60.0
Chrom/Lum Gain Delay (NTSC) Wfm --> Chrom/Lum Gain Delay (NTSC) Wfm --> FCC Composite
32 -> 32
Field = 1 Line = 16 Field = 1 Line = 16
Average Average
Chroma Gain = 85.3 %
Chroma Delay = 9.3 n sec
4