CH7005C-V ETC [List of Unclassifed Manufacturers], CH7005C-V Datasheet - Page 15

• Manufacturer Part Number: CH7005C-V
• Description: Digital PC to TV Encoder with Macrovision
• Manufacturer: ETC [List of Unclassifed Manufacturers]

CHRONTEL
VBI Pass-Through Support
The CH7005 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 Figures 7 through 9.
Table 12. Video Bandwidth
201-0000-025 Rev 2.1, 8/2/99
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
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
CH7005C
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
15