Atec Tektronix-VITS100 - Manual (Page 6)

Specifications
VITS 100 NTSC VITS Inserter Instruction Manual 3–5
Table 3–8: NTC7 Combination characteristics
Characteristic Information
Timing See Figure 3–8
White Reference Bar
Amplitude 100 IRE
±
0.7 IRE
Rise Time 250 ns
±
25 ns
Multiburst Packets
Amplitude 50 IRE
±
0.5 IRE p-p
Average Level 50 IRE
±
0.5 IRE
Frequencies 500 kHz, 1.0 MHz, 2.0 MHz, 3.0 MHz, 3.58 MHz, 4.2 MHz
Packet Rise Time
500 kHz and 1.0 MHz 140 ns typical (sin 2 shaped packets)
Other Frequencies 400 ns typical (sin 2 shaped packets)
Modulated Pedestal
Pedestal
Amplitude 50 IRE
±
0.5 IRE
Rise Time 250 ns
±
25 ns
Chrominance
Amplitude
20 IRE 20.01 IRE
±
0.5 IRE
40 IRE 40.02 IRE
±
0.5 IRE
80 IRE 80.04 IRE
±
.5 IRE
Phase relative to burst 90
° ±
0.5
°
Rise Time 400 ns
±
40 ns