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Specifications
3–6
VITS100 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