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參數資料
| 型號： | ADV7191 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Video Encoder with Six 10-Bit DACs and Video Encoder with Six DAC Outputs |
| 中文描述： | 視頻編碼器與六10位DAC和DAC的輸出6視頻編碼器 |
| 文件頁數： | 50/69頁 |
| 文件大小： | 628K |
| 代理商： | ADV7191 |
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ADV7190/ADV7191
–50–
REV. 0
APPENDIX 6
OPTIONAL OUTPUT FILTER
If an output
fi
lter is required for the CVBS, YUV, Chroma, and
RGB outputs of the ADV7190/ADV7191, the
fi
lter in Figure
94 can be used in 2
×
Oversampling Mode. Figure 96 shows a
filter that can be used in 4
×
Oversampling Mode. The plot of
the
fi
lter characteristics are shown in Figures 95 and 97. An output
fi
lter is not required if the outputs of the ADV7190/ADV7191
are connected to most analog monitors, or TVs; however, if
the output signals are applied to a system where sampling is
used (e.g., Digital TVs), a
fi
lter is required to prevent aliasing.
0.82 H
470pF
2.5 H
FILTER I/P
FILTER O/P
Figure 94. Output Filter for 2
×
Oversampling Mode
50
100k
–
100
–
50
0
100M
1.0G
–
150
A
–
FREQUENCY
–
Hz
1.0M
10M
Figure 95. Output Filter Plot for 2
×
Oversampling Filter
27.0
40.5
54.0
13.5
6.75
FREQUENCY
–
MHz
2 FILTER
REQUIREMENTS
4 FILTER
REQUIREMENTS
Figure 98. Output Filter Requirements in 4
×
Oversampling Mode
470pF
2.2 H
FILTER I/P
FILTER O/P
Figure 96. Output Filter for 4
×
Oversampling Mode
20
100k
–
80
–
40
–
20
100M
1.0G
–
100
A
–
FREQUENCY
–
Hz
1.0M
10M
0
–
60
Figure 97. Output Filter Plot for 4
×
Oversampling Filter
相關PDF資料 |
PDF描述 |
|---|---|
| ADV7191KST | Video Encoder with Six 10-Bit DACs and Video Encoder with Six DAC Outputs |
| ADV7190 | Video Encoder with Six 10-Bit DACs and Video Encoder with Six DAC Outputs |
| ADV7192KST | Video Encoder with Six 10-Bit DACs, 54 MHz Oversampling and Progressive Scan Inputs |
| ADV7192 | Video Encoder with Six 10-Bit DACs, 54 MHz Oversampling and Progressive Scan Inputs |
| ADV7194KST | Professional Extended-10⑩ Video Encoder with 54 MHz Oversampling |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ADV7191KST | 制造商:Analog Devices 功能描述:Video Encoder 6DAC 10-Bit 64-Pin LQFP 制造商:Rochester Electronics LLC 功能描述:54M 4X STD DEF ENCODER NON-MACRO I.C. - Tape and Reel |
| ADV7191KSTZ | 制造商:Analog Devices 功能描述:Video Encoder 6DAC 10-Bit 64-Pin LQFP 制造商:Analog Devices 功能描述:IC VIDEO ENCODER |
| ADV7192 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Video Encoder with Six 10-Bit DACs, 54 MHz Oversampling and Progressive Scan Inputs |
| ADV7192KST | 制造商:AD 制造商全稱:Analog Devices 功能描述:Video Encoder with Six 10-Bit DACs, 54 MHz Oversampling and Progressive Scan Inputs |
| ADV7194 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Professional Extended-10⑩ Video Encoder with 54 MHz Oversampling |
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