參數資料
型號： SAF7118EH
廠商： NXP SEMICONDUCTORS
元件分類： 顏色信號轉換
英文描述： Multistandard video decoder with adaptive comb filter and component video input
中文描述： COLOR SIGNAL DECODER, PBGA156
封裝： 15 X 15 MM, 1.15 MM HEIGHT, PLASTIC, MS-034, SOT807-1, HBGA-156
文件頁數： 52/173頁
文件大小： 950K
代理商： SAF7118EH
2004 Jul 22
52
Philips Semiconductors
Product speci
fi
cation
Multistandard video decoder with adaptive
comb
fi
lter and component video input
SAF7118
Remark
: Due to bandwidth considerations XPSC[5:0] and
XACL[5:0] can be chosen differently to the previously
mentioned equations or Table 12, as the H-phase scaling
is able to scale in the range from zooming up by factor 3 to
downscaling by a factor of
1024
8191
.
Figures 33 and 34 show some resulting frequency
characteristics of the prescaler.
Table 12 shows the recommended prescaler
programming. Other programmings, other than given in
Table 12, may result in better alias suppression, but the
resulting DC gain amplification needs to be compensated
by the BCS control, according to the equation:
Where:
2
XDCG[2:0]
≥
DC gain
DC gain = (XC2_1 + 1)
×
XACL[5:0] + (1
XC2_1).
For example, if XACL[5:0] = 5, XC2_1 = 1, then the
DC gain = 10 and the required XDCG[2:0] = 4.
The horizontal source acquisition timing and the
prescalingratioisidenticalforboththeluminancepathand
chrominance path, but the FIR filter settings can be
defined differently in the two channels.
Fade-in and fade-out of the filters is achieved by copying
an original source sample each as first and last pixel after
prescaling.
Figures 31 and 32 show the frequency characteristics of
the selectable FIR filters.
CONT[7:0]
SATN[7:0]
lower integer of
XDCG[2:0]
64
×
DC gain
=
=
Table 11
FIR pre
fi
lter functions
PFUV[1:0] A2H[7:6]
PFY[1:0] A2H[5:4]
LUMINANCE FILTER
COEFFICIENTS
CHROMINANCE COEFFICIENTS
00
01
10
11
bypassed
1 2 1
bypassed
1 2 1
3 8 10 8 3
1 2 2 2 1
1 1 1.75 4.5 1.75 1
1
1 2 2 2 1
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相關代理商/技術參數
參數描述
SAF7118EH/V1/G 功能描述:視頻 IC 9BIT VIDEO DECODER RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
SAF7118EH/V1/G,518 功能描述:視頻 IC 9BIT VIDEO DECODER RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
SAF7118EH/V1/G,557 功能描述:視頻 IC 9BIT VIDEO DECODER RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
SAF7118EH/V1/G-T 功能描述:視頻 IC 9BIT VIDEO DECODER RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
SAF7118H 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multistandard video decoder with adaptive comb filter and component video input
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