CH7004C Datasheet, PDF (16/51 Pages) List of Unclassifed Manufacturers – Digital PC to TV Encoder with Macrovision

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