參數(shù)資料
型號: TDA938X
廠商: NXP Semiconductors N.V.
英文描述: TV signal processor-Teletext decoder with embedded m-Controller
中文描述: 電視信號處理器與嵌入式米圖文電視解碼器控制器
文件頁數(shù): 119/140頁
文件大小: 570K
代理商: TDA938X
1999 Sep 28
119
Philips Semiconductors
Preliminary Device Specification
TV signal processor-Teletext decoder with
embedded
μ
-Controller
TDA935X/6X/8X series
RGB AMPLIFIERS
(
CONTINUED
)
C.4.14
variation of black level with
temperature
black level off set adjustment on
the Red and Blue channel
relative variation in black level
between the three channels
during variations of
supply voltage (
±
10%)
saturation (50 dB)
contrast (20 dB)
brightness (
±
0.5 V)
temperature (range 40
°
C)
signal-to-noise ratio of the
output signals
note 6
1.0
mV/K
C.4.141
15 steps
tbf
±
40
tbf
mV
C.4.15
note 6
C.4.16
C.4.17
C.4.18
C.4.19
C.4.20
C.4.21
C.4.22
C.4.23
C.4.24
nominal controls
nominal contrast
nominal saturation
nominal controls
60
50
tbf
tbf
tbf
tbf
tbf
15
15
mV
mV
mV
mV
mV
dB
dB
mV
mV
RGB input; note 52
CVBS input; note 52
at f
osc
at 2f
osc
plus higher
harmonics
RGB input; at
3 dB
CVBS input; at
3 dB;
f
osc
= 3.58 MHz
CVBS input; at
3 dB;
f
osc
= 4.43 MHz
S-VHS input; at
3 dB
residual voltage at the RGB
outputs (peak-to-peak value)
C.4.25
C.4.26
bandwidth of output signals
tbf
15
2.8
MHz
MHz
C.4.27
3.4
MHz
C.4.28
5
MHz
W
HITE
-
POINT ADJUSTMENT
C.5.1
C.5.2
I
2
C-bus setting for nominal gain
adjustment range of RGB drive
levels
gain control range to
compensate spreads in picture
tube characteristics
HEX code
note 53
20H
±
3
dB
C.5.3
±
6
dB
2-
POINT
B
LACK
-
CURRENT STABILIZATION
,
NOTE
54
C.6.1
amplitude of ‘low’ reference
current
amplitude of ‘high’ reference
current
acceptable leakage current
maximum current during scan
input impedance
8
μ
A
C.6.2
20
μ
A
C.6.3
C.6.4
C.6.5
±
100
tbf
tbf
μ
A
mA
NUMBER
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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