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): 116/140頁
文件大小: 570K
代理商: TDA938X
1999 Sep 28
116
Philips Semiconductors
Preliminary Device Specification
TV signal processor-Teletext decoder with
embedded
μ
-Controller
TDA935X/6X/8X series
Colour demodulation part
C
HROMINANCE AMPLIFIER
D.1.1
D.1.2
ACC control range
change in amplitude of the
output signals over the ACC
range
threshold colour killer ON
hysteresis colour killer OFF
note 45
26
2
dB
dB
D.1.3
D.1.4
30
+3
dB
dB
strong signal conditions;
S/N
40 dB; note 6
noisy input signals; note 6
D.1.5
+1
dB
ACL
CIRCUIT
;
NOTE
46
D.2.1
chrominance burst ratio at which
the ACL starts to operate
3.0
R
EFERENCE PART
Phase-locked loop
D.3.1
D.3.2
catching range
phase shift for a
±
400 Hz
deviation of the oscillator
frequency
±
500
tbf
2
Hz
deg
note 6
H
UE CONTROL
D.5.1
D.5.2
D.5.3
hue control range
hue variation for
±
10% V
P
hue variation with temperature
63 steps; see Fig.45
note 6
T
amb
= 0 to 70
°
C; note 6
±
35
±
40
0
0
deg
deg
deg
D
EMODULATORS
General
D.6.3
spread of signal amplitude ratio
between standards
bandwidth of demodulators
note 6
1
+1
dB
D.6.5
3 dB; note 47
650
kHz
PAL/NTSC demodulator
D.6.6
gain between both
demodulators G(B
Y) and
G(R
Y)
change of output signal
amplitude with temperature
change of output signal
amplitude with supply voltage
phase error in the demodulated
signals
1.60
1.78
1.96
D.6.12
note 6
0.1
%/K
D.6.13
note 6
±
0.1
dB
D.6.14
note 6
±
5
deg
NUMBER
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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