Datasheet

ADV7320/ADV7321
Rev. A | Page 85 of 88
0.5
0
APL = 44.5%
525 LINE NTSC
SLOW CLAMP TO 0.00V AT 6.72
μ s
10 20
F1
L76
30 40 50 60
100
50
0
–50
0
VOLTS IRE:FLT
PRECISION MODE OFF
SYNCHRONOUS SYNC = A
FRAMES SELECTED 1, 2
MICROSECONDS
05067-137
Figure 137. NTSC Color Bars 75%
0
NOISE REDUCTION: 15.05dB
APL NEEDS SYNC SOURCE
525 LINE NTSC NO FILTERING
SLOW CLAMP TO 0.00 AT 6.72
μ s
10 20
F1
L76
30 40 50 60
50
–50
0
0.4
0.2
0
–0.2
–0.4
PRECISION MODE OFF
SYNCHRONOUS SYNC = B
FRAMES SELECTED 1, 2
VOLTS IRE:FLT
MICROSECONDS
05067-138
Figure 138. NTSC Chroma
NOISE REDUCTION: 15.05dB
APL = 44.3%
525 LINE NTSC NO FILTERING
SLOW CLAMP TO 0.00 AT 6.72μs
10 20
F2
L238
30 40 50 60
50
0
0
0.4
0.2
0.6
0
–0.2
PRECISION MODE OFF
SYNCHRONOUS SYNC = SOURCE
FRAMES SELECTED 1, 2
VOLTS IRE:FLT
MICROSECONDS
0
05067-139
Figure 139. NTSC Luma
VOLTS
NOISE REDUCTION: 0.00dB
APL = 39.1%
625 LINE NTSC NO FILTERING
SLOW CLAMP TO 0.00 AT 6.72μs
10020
L608
30 40 50 60
0.4
0.2
0.6
0
–0.2
PRECISION MODE OFF
SYNCHRONOUS SOUND-IN-SYNC OFF
FRAMES SELECTED 1, 2, 3, 4
MICROSECONDS
05067-140
Figure 140. PAL Color Bars 75%
VOLTS
APL NEEDS SYNC SOURCE
625 LINE PAL NO FILTERING
SLOW CLAMP TO 0.00 AT 6.72μs
10 20
L575
30 40 50 60
0
0.5
–0.5
NO BUNCH SIGNAL
PRECISION MODE OFF
SYNCHRONOUS SOUND-IN-SYNC OFF
FRAMES SELECTED 1
MICROSECONDS
0
05067-141
Figure 141. PAL Chroma
05067-142
VOLTS
APL NEEDS SYNC SOURCE
625 LINE PAL NO FILTERING
SLOW CLAMP TO 0.00 AT 6.72μs
10020
L575
30 40 50 60
0
0.5
NO BUNCH SIGNAL
PRECISION MODE OFF
SYNCHRONOUS SOUND-IN-SYNC OFF
FRAMES SELECTED 1
MICROSECONDS
70
Figure 142. PAL Luma