參數(shù)資料
型號: ADV7180BCPZ-REEL
廠商: Analog Devices Inc
文件頁數(shù): 56/116頁
文件大?。?/td> 0K
描述: IC VIDEO DECODER SDTV 40-LFCSP
設(shè)計資源: Low Cost Differential Video Receiver Using ADA4851 Amplifier and ADV7180 Video Decoder (CN0060)
Low Cost Video Multiplexer for Video Switching Using ADA4853-2 Op Amp with Disable Function (CN0076)
標(biāo)準(zhǔn)包裝: 2,500
類型: 視頻解碼器
應(yīng)用: 數(shù)碼相機(jī),手機(jī),便攜式視頻
安裝類型: 表面貼裝
封裝/外殼: 40-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 40-LFCSP-VQ(6x6)
包裝: 帶卷 (TR)
配用: EVAL-ADV7180LQEBZ-ND - BOARD EVALUATION ADV7180
EVAL-ADV7180LFEBZ-ND - BOARD EVAL FOR ADV7180 LFCSP
ADV7180
Data Sheet
Rev. I | Page 44 of 116
IF FILTER COMPENSATION
IFFILTSEL[2:0], IF Filter Select, Address 0xF8[2:0]
The IFFILTSEL[2:0] register allows the user to compensate for
SAW filter characteristics on a composite input, as would be
observed on tuner outputs. Figure 34 and Figure 35 show IF
filter compensation for NTSC and PAL, respectively.
The options for this feature are as follows:
Bypass mode
NTSC, consists of three filter characteristics
PAL, consists of three filter characteristics
See Table 107 for programming details.
6
–12
2.0
5.0
05700-
053
FREQUENCY (MHz)
AM
P
L
IT
UDE
(
d
B)
IF COMP FILTERS NTSC ZOOMED AROUND FSC
4
2
0
–2
–4
–6
–8
–10
2.5
3.0
3.5
4.0
4.5
Figure 34. NTSC IF Filter Compensation
6
–8
3.0
6.0
05700-
054
FREQUENCY (MHz)
AM
P
L
IT
UDE
(
d
B)
IF COMP FILTERS PAL ZOOMED AROUND FSC
4
2
0
–2
–4
–6
3.5
4.0
4.5
5.0
5.5
Figure 35. PAL IF Filter Compensation
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