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參數(shù)資料
| 型號： | ADV7178KS |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 顏色信號轉(zhuǎn)換 |
| 英文描述： | Integrated Digital CCIR-601 to PAL/NTSC Video Encoder |
| 中文描述： | COLOR SIGNAL ENCODER, PQFP44 |
| 封裝： | PLASTIC, MO-112-AA-1, MQFP-44 |
| 文件頁數(shù)： | 36/38頁 |
| 文件大小： | 280K |
| 代理商： | ADV7178KS |
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ADV7177/ADV7178
–36–
REV. 0
If an output filter is required for the CVBS, Y, UV, Chroma and
RGB outputs of the ADV7177/ADV7178, the following filter in
Figure 63 can be used. Plots of the filter characteristics are
shown in Figures 64, 65 and 66. An output filter is not required
if the outputs of the ADV7177/ADV7178 are connected to an
analog monitor or an analog TV; however, if the output signals
are applied to a system where sampling is used (e.g., digital
TV), a filter is required to prevent aliasing.
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 63. Output Filter
FREQUENCY – Hz
10k
100M
100k
D
1M
10M
0
–5
–10
–70
–15
–20
–25
–30
–35
–40
–45
–50
–55
–60
–65
V
dB
– OP
Figure 64. Output Filter Plot
APPENDIX 5
OPTIONAL OUTPUT FILTER
FREQUENCY – MHz
1
100
D
10
0
–35
–5
–10
–15
–20
–25
–30
V
dB
– OP
Figure 65. Output Filter 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
Figure 66. Output Filter Plot Close Up
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADV7178KS-REEL | 制造商:Analog Devices 功能描述: |
| ADV7179 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Chip Scale PAL/NTSC Video Encoder with Advanced Power Management |
| ADV7179BCP | 制造商:Analog Devices 功能描述:Video Encoder 3DAC 10-Bit 40-Pin LFCSP EP 制造商:Analog Devices 功能描述:IC VIDEO ENCODER |
| ADV7179BCP1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Chip Scale PAL/NTSC Video Encoder with Advanced Power Management |
| ADV7179BCP-REEL | 制造商:Analog Devices 功能描述:Video Encoder 3DAC 10-Bit 40-Pin LFCSP EP T/R |
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