STV8223A Datasheet, PDF (1/10 Pages) STMicroelectronics – MULTISTANDARD VIDEO AND SOUND IF SYSTEM WITH AUDIO AND VIDEO SWITCHES

STV8223A
MULTISTANDARD VIDEO AND SOUND IF SYSTEM
WITH AUDIO AND VIDEO SWITCHES
....... VIDEO PLL DEMODULATION
SOUND PLL DEMODULATION
NEGATIVE MODULATION
AGC FOR BG STANDARDS
AUDIO SWITCH
DC VOLUME CONTROL
VIDEO SWITCH
PRELIMINARY DATA
DESCRIPTION
The STV8223Ais a picture and sound IF processor
for negative modulation 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 : STV8223A
PIF PLL FILTER
1
AFC OUTPUT
2
CVBS OUTPUT
3
SWITCHING INPUT (STANDARD + INT/EXT) 4
IF LC
5
IF LC
6
AUDIO HIGH PASS FILTER 7
2nd IF SOUND INPUT 8
2nd IF DECOUPLING + MUTE
9
INTERNAL VIDEO INPUT 10
VIDEO SWITCH OUTPUT
11
EXTERNAL VIDEO INPUT 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
V _CC
16
EXTERNAL AUDIO INPUT
15
FM DEMODULATED AUDIO OUTPUT
14
AUDIO SWITCH OUTPUT
13
VOLUME CONTROL + MUTE
May 1995
This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without no tice.
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