參數(shù)資料
型號(hào): 935261351112
廠商: NXP SEMICONDUCTORS
元件分類: 顏色信號(hào)轉(zhuǎn)換
英文描述: COLOR SIGNAL DECODER, PDIP32
封裝: 0.400 INCH, PLASTIC, SOT-232, SDIP-32
文件頁數(shù): 2/47頁
文件大?。?/td> 390K
代理商: 935261351112
1996 Jan 17
10
Philips Semiconductors
Preliminary specication
I2C-bus controlled, alignment-free PAL/NTSC/SECAM
decoder/sync processor with PALplus helper demodulator
TDA9144
handbook, full pagewidth
1.00
0.30
0
20
s
32
s
line 623
(V)
PALplus CVBS in
10
s
10.5
s
white level reference
1.00
0.30
0
(V)
,,
,
,,
EBU colour bar
with black set-up
1.00
0.60
0.20
0
(2)
(V)
,,
,
,,
1.00
0.30
0.45
0.80
0.15
0
(V)
line 23
input
signals
output
signals
41
s
51
s
0.4
s
10.83
s
PALplus signalling bits
black
level
reference
helper reference
burst
U phase
1.00
0.60
0.77
0.20
0
(V)
line 23
helper
set-up
B
PALplus signalling bits
1.00
0.20
0.60
0
(V)
52
s
0.15
s
0.4
s
686 mV
0.65
s
52
s
22
s
30.8
s
0.15
s
0.65
s
baseband helper line with
black and helper set-up
1.00
0.30
0.45
0.15
0
(V)
52
s
10.5
s
max. modulated helper line
demodulated helper
area limits
800
mV
delay
CLP to set up
(4)
demodulated
helper reference
1.00
0.60
0.20
0
(V)
line 22 reference line
helper set-up
(mid-grey)
black set-up
212 LLC pulses
151 LLC pulses
A
11.2
s
1.00
0.60
0.20
0
(V)
line 623
black set-up
black
(clamp level)
black level offset
Yout (pin 12)
Y black
white level reference
(1)
mid-grey offset = A
B(3)
MBG904
Fig.5 PALplus CVBS input and Y output signals.
Figures drawn when using subaddress 8A and an Ydelay of 440 ns.
LLC frequency equals 6.875 MHz; 440 LLC pulses per horizontal line.
Demodulated helper shown when using an external 8.8 notch filter.
(1) See Y output parameter Vos in Section “Characteristics”
(2) See demodulated helper parameter td in Section “Characteristics”
(3) See demodulated helper parameter Vos in Section “Characteristics”
(4) See CLP output/HA output parameter td in Section “Characteristics”
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