tda933xh NXP Semiconductors, tda933xh Datasheet - Page 36

• Manufacturer Part Number: tda933xh
• Description: Tda933xh Series I2c-bus Controlled Tv Display Processors
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2002 Jun 04
handbook, halfpage
handbook, halfpage
I
Conditions: settings for cathode drive and white point nominal;
gain of RGB amplifiers such that the amplitude at the RGB
outputs is 2 V (b-w); relative to cutoff level.
2
C-bus controlled TV display processors
(%)
(V)
300
200
100
0.5
0.5
0
1
0
1
0
0
Fig.7 Brightness control curve.
Fig.5 Saturation control curve.
20
20
40
40
DAC (decimal value)
DAC (decimal value)
60
60
MGS892
MGS894
80
80
36
handbook, halfpage
handbook, halfpage
output
(IRE)
A-to-A: maximum black level shift.
B-to-B: level shift at 15% of peak white.
(%)
Fig.8 I/O relation of black level stretch circuit.
200
160
120
100
80
40
80
60
40
20
20
0
0
0
0
A
A
B
B
Fig.6 Contrast control curve.
20
40
40
TDA933xH series
DAC (decimal value)
Preliminary specification
80
60
input (IRE)
MGR452
MGS893
120
80