Atec Tektronix-VITS100 User Manual
Page 7
Specifications
3–6
VITS 100 NTSC VITS Inserter Instruction Manual
Table 3–9: NTC7 Composite characteristics
Characteristic
Information
Timing
See Figure 3–9
Modulated 5-step Staircase
Luminance
Amplitude
90.2 IRE
±
0.7 IRE
Riser Amplitude
1/5 of 5-step amplitude
±
0.5%
Rise Time
250 ns
±
25 ns
Chrominance
Phase
Same as burst
±
0.3
°
Envelope Risetime
400 ns
±
40 ns
2T Pulse
Pulse-to-Bar Ratio
100%
±
0.5%
Half Amplitude Duration (HAD)
250 ns
±
25 ns
Ringing
1.0 IRE or less
Modulated SIN
2
Pulse
Pulse-to-Bar Peak Amplitude
100%
Half Amplitude Duration
1.563
ms
±
150 ns
Phase
60.8
°
±
1
°
Bar
Amplitude
100 IRE
±
1 IRE
Rise Time
125 ns
±
15 ns
Table 3–10: Red Field characteristics
Characteristic
Information
Timing
See Figure 3–10
Luminance
Amplitude, Standard
202.2 mV
±
1%
Amplitude, Option 1J
160.72 mV
±
1%
Rise Time
250 ns
±
25 ns
Chrominance
Amplitude, Standard
630.1 mV
±
1%
Amplitude, Option 1J
681.23 mV
±
1%
Phase
103.4
°
±
0.3
°
Rise Time
400 ns
±
40 ns