參數(shù)資料
型號： 935069850112
廠商： NXP SEMICONDUCTORS
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PDIP52
封裝： 0.600 INCH, PLASTIC, SOT-247-1, SDIP-52
文件頁數(shù)： 27/47頁
文件大?。?/td> 250K
代理商： 935069850112
1996 Jan 26
33
Philips Semiconductors
Objective specication
I2C-bus controlled PAL/NTSC TV processors
TDA8376; TDA8376A
13 TEST AND APPLICATION INFORMATION
Fig.11 Application diagram.
handbook, full pagewidth
MGE080
SDA
XTAL2
34
33
38
4
3
15
16
17
14
23
24
25
26
36
30
29
32
31
39
21
20
19
18
22
46
47
48
40
41
XTAL1
SCL
RI2
GI2
BI2
RGBIN2
RI1
GI1
BI1
RO
GO
BO
BLKIN
BCLIN
EWD
VDR(p)
SECref
VDR(n)
HOUT
BYO
3.6
MHz
4.4
MHz
RYO
RYI
CVBS/
TXT
BYI
SCO
FBI
to text decoder
RGBIN1
CVBSINT
CVBSEXT
CVBS/Y
CHROMA
PIPO
9
13
7
6
11
TDA8395
TDA8376(A)
TDA4665
13.1
East-West output stage
In order to obtain correct tracking of the vertical and
horizontal EHT-correction, the E-W output stage should be
dimensioned as illustrated in Fig.12.
Resistor REW determines the gain of the E-W output stage.
Resistor Rc determines the reference current for both the
vertical sawtooth generator and the geometry processor.
The preferred value of Rc is 39 k which results in a
reference current of 100
A (Vref = 3.9 V
The value of REW must be:
Example: With Vref = 3.9 V Rc =39k and Vscan = 120 V
then REW = 68 k.
R
EW
R
c
V
scan
18
V
ref
×
-----------------------
×
=
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