參數(shù)資料
型號: EVAL-ADV7179EBZ
廠商: Analog Devices Inc
文件頁數(shù): 44/52頁
文件大小: 0K
描述: BOARD EVALUATION FOR ADV7179
設(shè)計資源: ADV7174/79 Eval Brd Docs
標(biāo)準(zhǔn)包裝: 1
主要目的: 視頻,視頻處理
嵌入式:
已用 IC / 零件: ADV7179
主要屬性: NTSC/PAL 數(shù)字視頻編碼器
次要屬性: I²C 接口
已供物品:
ADV7174/ADV7179
Rev. B | Page 49 of 52
APPENDIX 7—OPTIONAL OUTPUT FILTER
If an output filter is required for the CVBS, Y, UV, chroma, and
RGB outputs of the ADV7174/ADV7179, the filter shown in
Figure 79 can be used. Plots of the filter characteristics are
shown in Figure 80. An output filter is not required if the
outputs of the ADV7174/ADV7179 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.
1.8
μH
75
Ω
270pF
22pF
DISPLAY DEVICE
Z0 = 75Ω
330pF
FILTER I/P
75
Ω
02980-
A-
078
Figure 79. Output Filter
FREQUENCY (Hz)
0
80
100k
MAGNITUDE
(dB)
70
60
50
40
30
20
10
1M
10M
100M
02980-A
-079
Figure 80. Output Filter Plot
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