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VITS100 NTSC VITS Inserter Instruction Manual
3–7
Table 3–11: SIN X/X characteristics
Characteristic Information
Timing See Figure 3–11
Bandwidth 4.75 MHz
Pedestal 24 IRE
Peak 90 IRE (Peak amplitude from pedestal )
Table 3–12: Vertical Interval Reference Signal characteristics
Characteristic Information
Timing See Figure 3–12
Chrominance Reference
Amplitude 40 IRE
Phase Same as burst ±0.3°
Envelope Rise Time 1 ms ±100 ns (sin
2
shaped)
Average Chrominance Level 70 IRE
Luminance Reference
50 IRE Level 50 IRE
Black Reference 7.5 IRE
Table 3–13: Cable Multiburst (Option 2) characteristics
Characteristic Information
Timing See Figure 3–13
White Reference Bar Amplitude 60 IRE
Packet Amplitudes 60 IRE
Pedestal Amplitudes 30 IRE
Burst Frequencies 500 kHz, 1.25 MHz, 2.0 MHz, 3.0 MHz, 3.75 MHz, 4.0 MHz
Packet Rise Time
500 kHz Packet 140 ns typical (sin
2
shaped packets)
Other Packets 400 ns typical (sin
2
shaped packets)