TDA9178T Philips Semiconductors, TDA9178T Datasheet - Page 28

• Manufacturer Part Number: TDA9178T
• Description: YUV one chip picture improvement based on luminance vector-/ colour vector- and spectral processor
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1999 Sep 24
handbook, full pagewidth
YUV one chip picture improvement based on luminance
vector-, colour vector- and spectral processor
(1) 1f
(2) 2f
H
H
mode.
mode.
Y contour
Fig.15 Frequency transfers of contour filter at f = 2.0 MHz.
Y step
handbook, halfpage
Fig.16 Block diagram of smart sharpness controller.
contour
(%)
100
80
60
40
20
0
10
5
control
coring
CORING
delay
cells
Y c
28
10
6
(1)
(2)
peaking
control
DETECTOR
FADER
f (Hz)
STEP
steepness
control
MGR909
10
7
Y envelope
Y step
MGR910
Preliminary specification
TDA9178