TDA9550 PHILIPS [NXP Semiconductors], TDA9550 Datasheet - Page 90

• Manufacturer Part Number: TDA9550
• Description: TV signal processor-Teletext decoder with embedded m-Controller
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
2000 Jun 22
Picture Improvement Features
P
P.1.1
P.1.2
P.1.3
P.1.4
P.1.5
P.1.6
P.1.7
P.1.8
P.1.9
C
P.1.10
B
P.2.1
P.2.2
P.2.3
P.2.4
D
P.4.1
P.4.2
B
P.7.1
EAKING CONTROL
LACK LEVEL STRETCHER
LUE
NUMBER
ORING STAGE
YNAMIC SKIN TONE
TV signal processor-Teletext decoder with
embedded -Controller
S
TRETCH
;
width of preshoot or overshoot
peaking signal compression
threshold
overshoot at maximum peaking
Ratio negative/positive
overshoot; note 36
peaking control curve
peaking centre frequency
coring range
Maximum black level shift
level shift at 100% peak white
level shift at 50% peak white
level shift at 15% peak white
control angle
correction range (angle)
;
decrease of small signal gain for
the red and green channel
NOTE
NOTE
;
NOTE
(
FLESH
37
41
PARAMETER
;
35
NOTE
)
CONTROL
38
;
NOTE
39
positive
negative
63 steps
setting PF1/PF0 = 0/0
setting PF1/PF0 = 0/1
setting PF1/PF0 = 1/0
note 3
BLS = 1
CONDITIONS
90
TDA955X/6X/8X PS/N1 series
see Fig.31
15
6
1
1
MIN.
Tentative Device Specification
160
50
45
80
1.8
2.7
3.1
3.5
10
21
0
8
123
45
14
TYP.
27
1
3
10
MAX.
ns
IRE
%
%
MHz
MHz
MHz
IRE
IRE
IRE
IRE
IRE
deg
deg
%
UNIT