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參數(shù)資料
型號(hào): ADV7178KS
廠商: ANALOG DEVICES INC
元件分類: 顏色信號(hào)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(yè)數(shù): 36/38頁(yè)
文件大小: 280K
代理商: ADV7178KS
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
相關(guān)PDF資料
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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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