tda8376ah NXP Semiconductors, tda8376ah Datasheet - Page 33

• Manufacturer Part Number: tda8376ah
• Description: I2c-bus Controlled Pal/ntsc Tv Processors
• Manufacturer: NXP Semiconductors

Philips Semiconductors
13 TEST AND APPLICATION INFORMATION
13.1
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 R
Resistor R
vertical sawtooth generator and the geometry processor.
1996 Jan 26
handbook, full pagewidth
I
2
C-bus controlled PAL/NTSC TV processors
East-West output stage
CVBS EXT
CHROMA
CVBS INT
CVBS/Y
EW
c
PIPO
determines the reference current for both the
determines the gain of the E-W output stage.
13
9
7
6
11
34
XTAL2
4.4
MHz
33
SDA
XTAL1
4
3.6
MHz
SCL
38
3
CVBS/
TXT
TDA8395
Fig.11 Application diagram.
RI2
15
36
SEC ref
GI2
16
TDA8376(A)
RYO
33
BI2 RGBIN2
17
The preferred value of R
reference current of 100 A (V
The value of R
Example: With V
then R
30
R
EW
14
29
=
BYO
EW
R
= 68 k
32
c
RI1
23
RYI
---------------------- -
18 V
EW
TDA4665
V
scan
ref
GI1
must be:
24
31
= 3.9 V R
ref
BYI
TDA8376; TDA8376A
BI1
25
c
is 39 k which results in a
39
RGBIN1
SCO
c
26
= 39 k and V
ref
= 3.9 V
21
20
19
18
22
46
47
48
40
41
Objective specification
MGE080
to text decoder
RO
GO
BO
BLKIN
BCLIN
EWD
VDR (p)
VDR (n)
HOUT
scan
FBI
= 120 V