參數(shù)資料
型號: SAA7118H
廠商: NXP SEMICONDUCTORS
元件分類: 顏色信號轉(zhuǎn)換
英文描述: Multistandard video decoder with adaptive comb filter and component video input
中文描述: COLOR SIGNAL DECODER, PQFP160
封裝: 28 X 28 MM, 3.40 MM HEIGHT, PLASTIC, MS-022, SOT322-2 , QFP-160
文件頁數(shù): 22/169頁
文件大小: 665K
代理商: SAA7118H
2001 May 30
22
Philips Semiconductors
Preliminary specification
Multistandard video decoder with adaptive
comb filter and component video input
SAA7118
handbook, full pagewidth
ANALOG INPUT
AMPLIFIER
ANTI-ALIAS FILTER
ADC
LUMA/CHROMA DECODER
X
HSY
>
510
>
510
<
1
<
4
>
496
X = 0
X = 1
1/LLC2
+
1/LLC2
1/LLC2
+
/
0
+
1/F
+
1/L
GAIN ACCUMULATOR (18 BITS)
ACTUAL GAIN VALUE 9-BIT (AGV) [
3/
+
6 dB]
X
STOP
HSY
Y
UPDATE
FGV
MHB728
AGV
GAIN VALUE 9-BIT
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
1
1
0
1
0
VBLK
1
0
NO ACTION
9
9
DAC
gain
HOLDG
Fig.9 Gain flow chart.
X = system variable.
.
GUDL = gain update level (adjustable).
VBLK = vertical blanking pulse.
HSY = horizontal sync pulse.
AGV = actual gain value.
FGV = frozen gain value.
Y
AGV
FGV
GUDL
>
=
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