Atec Tektronix-VITS100 - 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