參數(shù)資料
型號: 935273916557
廠商: NXP SEMICONDUCTORS
元件分類: 顏色信號轉(zhuǎn)換
英文描述: COLOR SIGNAL DECODER, PBGA156
封裝: 15 X 15 MM, 1.15 MM HEIGHT, PLASTIC, MS-034, SOT-472-1, BGA-156
文件頁數(shù): 111/178頁
文件大小: 988K
代理商: 935273916557
2004 Jul 22
38
Philips Semiconductors
Product specication
Multistandard video decoder with adaptive
comb lter and component video input
SAA7118
8.2
Component video processing
handbook, full pagewidth
MHB731
FSW DELAY
FSW
Y
DOWN
FOMATTER
and
BCS
and
COMPONENT
DELAY
CB
CR
BCS
G/Y
RGB/Y-CB-CR
MATRIX
B/CB
R/CR
bypass
MIXER
Y
CB-CR
Y
to X-port
CB-CR
Y-CB-CR decoder
Fig.23 Component video processing.
8.2.1
RGB-TO-(Y-C
B-CR) MATRIX
The matrix converts the RGB signals from the analog-to-digital converters/downsamplers to the Y-CB-CR representation.
The input and output word widths are 9 bits. The matrix has a gain factor of 1. The block provides a delay compensated
bypass for component input signals.
The matrix is represented by the following equations:
Y = 0.299
× R + 0.587 × G + 0.114 × B
CB = 0.5772 × (B Y)
CR = 0.7296 × (R Y)
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