CH7004C-V ETC1 [List of Unclassifed Manufacturers], CH7004C-V Datasheet - Page 16

• Manufacturer Part Number: CH7004C-V
• Description: Digital PC to TV Encoder with Macrovision
• Manufacturer: ETC1 [List of Unclassifed Manufacturers]

CHRONTEL
VBI Pass-Through Support
The CH7004 provides the ability to pass-through data with minimal filtering, on vertical blanking lines 10-21 for
Intercast or close captioned applications (see register descriptions).
The composite luminance and chrominance frequency response is depicted in Figure 7 through 9.
16
Table 13. Video Bandwidth
Mode
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
00
0.62
0.78
0.53
0.65
0.83
1.03
0.70
0.87
0.74
0.93
0.63
0.78
0.89
0.62
0.78
0.93
0.64
0.74
0.79
0.77
0.95
1.02
0.77
0.86
0.94
0.71
0.71
0.47
0.38
Chrominance
CBW[1:0]
01
0.68
0.85
0.58
0.71
0.91
1.13
0.77
0.95
0.81
1.02
0.68
0.86
0.98
0.68
0.85
1.02
0.71
0.81
0.87
0.85
1.03
1.12
0.85
0.94
1.03
0.78
0.78
0.51
0.41
10
0.80
1.00
0.68
0.83
1.07
1.32
0.90
1.12
0.95
1.20
0.80
1.00
1.15
0.80
1.00
1.20
0.83
0.95
1.02
1.00
1.22
1.32
0.99
1.11
1.21
0.91
0.91
0.60
0.48
11
0.95
1.18
0.81
0.99
1.27
1.57
1.07
1.33
1.13
1.42
0.95
1.19
1.36
0.95
1.18
1.42
0.98
1.13
1.21
1.18
1.44
1.56
1.18
1.31
1.44
1.08
1.08
0.71
0.57
0
2.26
2.82
1.93
2.36
3.03
3.75
2.56
3.17
2.69
3.39
2.28
2.84
3.25
2.26
2.82
3.39
2.35
2.70
2.89
2.82
3.44
3.73
2.82
3.13
3.43
2.58
2.58
1.70
1.37
CVBS
YCV
1
3.37
4.21
2.87
3.52
4.51
5.59
3.81
4.72
4.01
5.05
3.39
4.24
4.84
3.37
4.21
5.05
3.50
4.02
4.31
4.20
5.13
5.56
4.20
4.66
5.11
3.85
3.85
2.53
2.04
Luminance Bandwidth with Sin(X) /X (MHz)
YSV[1:0], YPEAK = 0
00
2.26
2.82
1.93
2.36
3.03
3.75
2.56
3.17
2.69
3.39
2.28
2.84
3.25
2.26
2.82
3.39
2.35
2.70
2.89
2.82
3.44
3.73
2.82
3.13
3.43
2.58
2.58
1.70
1.37
S-Video
01
3.37
4.21
2.87
3.52
4.51
5.59
3.81
4.72
4.01
5.05
3.39
4.24
4.84
3.37
4.21
5.05
3.50
4.02
4.31
4.20
5.13
5.56
4.20
4.66
5.11
3.85
3.85
2.53
2.04
1X
5.23
6.53
4.46
5.46
7.00
8.68
5.92
7.33
6.22
7.84
5.26
6.58
7.52
5.23
6.53
7.84
5.43
6.24
6.68
6.53
7.97
8.63
6.52
7.24
7.94
5.97
5.97
3.92
3.17
201-0000-024 Rev 2.1, 8/2/99
YSV[1:0], YPEAK = 1
00
2.57
3.21
2.19
2.68
3.44
4.27
2.91
3.60
3.06
3.85
2.59
3.23
3.70
2.57
3.21
3.85
2.67
3.07
3.29
3.21
3.92
4.24
3.20
3.56
3.90
2.94
2.94
1.93
1.56
S-Video
CH7004C
01
4.44
5.56
3.79
4.64
5.95
7.38
5.04
6.23
5.29
6.67
4.48
5.59
6.39
4.44
5.56
6.67
4.62
5.30
5.68
5.55
6.77
7.34
5.54
6.16
6.75
5.08
5.08
3.34
2.69
1X
5.23
6.53
4.46
5.46
7.00
8.68
5.92
7.33
6.22
7.84
5.26
6.58
7.52
5.23
6.53
7.84
5.43
6.24
6.68
6.53
7.97
8.63
6.52
7.24
7.94
5.97
5.97
3.92
3.17