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PDF STV8223B Data sheet ( Hoja de datos )
| Número de pieza | STV8223B | |
| Descripción | MULTISTANDARD VIDEO AND SOUND IF SYSTEM WITH AUDIO AND VIDEO SWITCHES | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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STV8223B
MULTISTANDARD VIDEO AND SOUND IF SYSTEM
WITH AUDIO AND VIDEO SWITCHES
....... VIDEO PLL DEMODULATION
SOUND PLL DEMODULATION
NEGATIVE MODULATION
AGC FOR NEGATIVE MODULATION
AUDIO SWITCH
DC VOLUME CONTROL
VIDEO SWITCH
DESCRIPTION
The STV8223B is a pictureand sound IF processor
for multistandard application with very few external
components and adjustments.
It provides the audio and video switches for one
SCART plug application.
PIN CONNECTIONS
SHRINK24
(Plastic Package)
ORDER CODE : STV8223B
PIF PLL FILTER
AFC OUTPUT
CVBS OUTPUT
SWITCHING INPUT (INT/EXT)
IF LC
IF LC
AUDIO HIGH PASS FILTER
2nd IF SOUND INPUT
AUDIO AND 2nd IF DECOUPLING
INTERNAL VIDEO INPUT
VIDEO SWITCH OUTPUT
EXTERNAL VIDEO INPUT
1
2
3
4
5
6
7
8
9
10
11
12
24 TUNER AGC STARTING POINT ADJUSTMENT
23 TUNER AGC OUTPUT
22 AGC CAPACITOR
21 NOT TO BE CONNECTED
20 IF INPUT
19 IF INPUT
18 GROUND
17 VCC
16 EXTERNAL AUDIO INPUT
15 FM DEMODULATED AUDIO OUTPUT
14 AUDIO SWITCH OUTPUT
13 VOLUME CONTROL + MUTE
January 1997
1/10
1 page  
INPUT/OUTPUT PIN CONFIGURATION
Figure 1 : PIF PLL Filter
Figure 2 : AFC Output
STV8223B
2
1
Figure 3 : CVBS Output
Figure 4 : Switching Input INT/EXT
3
4
Figure 5 : IFLC
2kΩ 2kΩ
5
Figure 6 : Audio High Pass Filter
6
7
5/10
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet STV8223B.PDF ] | |
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