參數(shù)資料
型號: SAF7118H
廠商: NXP Semiconductors N.V.
元件分類: 通用總線功能
英文描述: Multistandard video decoder with adaptive comb filter and component video input
封裝: SAF7118EH/V1<SOT807-1 (HBGA156)|<<http://www.nxp.com/packages/SOT807-1.html<1<,;SAF7118EH/V1<SOT807-1 (HBGA156)|<<http://www.nxp.com/packages/SOT807-1.html<1<,;
文件頁數(shù): 52/175頁
文件大?。?/td> 898K
代理商: SAF7118H
SAF7118_4
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 04 — 4 July 2008
52 of 175
NXP Semiconductors
SAF7118
Multistandard video decoder with adaptive comb filter
Fade-in and fade-out of the filters is achieved by copying an original source sample each
as first and last pixel after prescaling.
Figure 35
and
Figure 36
show the frequency characteristics of the selectable FIR filters.
Table 11.
PFUV[1:0] A2h[7:6] and
PFY[1:0] A2h[5:4]
00
01
10
11
FIR prefilter functions
Luminance filter coefficients
Chrominance coefficients
bypassed
1 2 1
1 1 1.75 4.5 1.75 1
1
1 2 2 2 1
bypassed
1 2 1
3 8 10 8 3
1 2 2 2 1
Fig 35. Luminance prefilter characteristic
Fig 36. Chrominance prefilter characteristic
mhb543
f_sig/f_clock
0
0.5
0.4
0.2
0.3
0.1
0.45
0.35
0.15
0.25
0.05
18
21
24
27
30
33
36
39
42
6
9
12
15
6
3
0
3
V
(dB)
(3)
(2)
(1)
(1) PFY[1:0] = 01.
(2) PFY[1:0] = 10.
(3) PFY[1:0] = 11.
mhb544
(3)
(2)
(1)
(1) PFUV[1:0] = 01.
(2) PFUV[1:0] = 10.
(3) PFUV[1:0] = 11.
f_sig/f_clock
0
0.25
0.20
0.10
0.15
0.05
0.225
0.175
0.075
0.125
0.025
18
21
24
27
30
33
36
39
42
6
9
12
15
6
3
0
3
V
(dB)
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