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參數資料
| 型號： | ADV7171SU |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 顏色信號轉換 |
| 英文描述： | Digital PAL/NTSC Video Encoder with 10-Bit SSAF⑩ and Advanced Power Management |
| 中文描述： | COLOR SIGNAL ENCODER, PQFP44 |
| 封裝： | PLASTIC, TQFP-44 |
| 文件頁數： | 40/55頁 |
| 文件大小： | 754K |
| 代理商： | ADV7171SU |
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ADV7170/ADV7171
–40–
REV. 0
If an output filter is required for the CVBS, Y, UV, Chroma
and RGB outputs of the ADV7170/ADV7171, the filter shown
in Figure 79 can be used. Plots of the filter characteristics are
shown in Figure 80, Figure 81 and Figure 82. An Output Filter
APPENDIX 7
OPTIONAL OUTPUT FILTER
L
1
m
H
L
2.7
m
H
L
0.68
m
H
R
75
V
R
75
V
C
470pF
C
330pF
C
56pF
IN
OUT
Figure 79. Output Filter
FREQUENCY – Hz
10k
100M
100k
1M
10M
D
0
–5
–70
–10
–15
–20
–25
–30
–35
–40
–45
–50
–55
–60
–65
V
dB
– OP
Figure 80. Output Filter Plot
is not required if the outputs of the ADV7170/ADV7171 are
connected to most analog monitors or analog TVs, however if
the output signals are applied to a system where sampling is
used (e.g., Digital TVs), then a filter is required to prevent
aliasing.
FREQUENCY – MHz
1
100
D
10
0
–35
–5
–10
–15
–20
–25
–30
V
dB
– OP
Figure 81. Output Filter Plot Close-Up
FREQUENCY – MHz
1
10
D
2
0.0
–3.5
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
V
dB
– OP
4
6
8
–4.5
–4.0
3
5
7
9
Filter 82. Output Filter Plot Close-Up
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADV7171WBSZ-REEL | 制造商:AD 制造商全稱:Analog Devices 功能描述:Digital PAL/NTSC Video Encoder |
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| ADV7172KST | 制造商:AD 制造商全稱:Analog Devices 功能描述:Digital PAL/NTSC Video Encoder with Six DACs 10 Bits, Color Control and Enhanced Power Management |
| ADV7172KST-REEL | 制造商:Analog Devices 功能描述: |
| ADV7172KSTZ | 制造商:Analog Devices 功能描述: |
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