參數(shù)資料
型號: TDA8846-N2
廠商: NXP Semiconductors N.V.
英文描述: I2C-bus controlled PAL/NTSC/SECAM TV processors
中文描述: I2C總線控制的PAL / NTSC制式/ SECAM電視處理器
文件頁數(shù): 34/68頁
文件大?。?/td> 316K
代理商: TDA8846-N2
December 16, 1997
34
Philips Semiconductors
Tentative Device Specification
I
2
C-bus controlled PAL/NTSC/SECAM TV
processors
TDA884X/5X-N2 series
LUMINANCE PROCESSING
Y
DELAY LINE
F.4.1
F.4.2
F.4.3
delay time
tuning range delay time
bandwidth of internal delay line
note 5
8 steps
note 5
160
8
480
+160
ns
ns
MHz
P
EAKING CONTROL
;
NOTE
28
F.5.1
F.5.2
width of preshoot or overshoot
peaking signal compression
threshold
overshoot at maximum peaking
note 2
160
50
ns
IRE
F.5.3
F.5.4
F.5.5
positive
negative
45
80
1.8
%
%
Ratio negative/positive
overshoot
peaking control curve
F.5.6
63 steps
see Fig.9
C
ORING STAGE
F.6.1
coring range
15
IRE
B
LACK LEVEL STRETCHER
;
NOTE
29
F.7.1
F.7.2
F.7.3
F.7.4
Maximum black level shift
level shift at 100% peak white
level shift at 50% peak white
level shift at 15% peak white
15
-1
-1
6
21
0
8
27
1
3
10
IRE
IRE
IRE
IRE
NUMBER
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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