Atec Tektronix-VITS100 - Manual (Page 4)

Specifications
VITS 100 NTSC VITS Inserter Instruction Manual 3–3
Table 3–4: FCC Composite characteristics
Characteristic Information
Timing See Figure 3–5
Modulated 5-step Staircase
Luminance
Amplitude 80.4 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 375 ns
±
37.5 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 250 ns
±
25 ns