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STV8224A Datasheet

  • STV8224A

  • MULTISTANDARD VIDEO AND SOUND IF SYSTEM WITH AUDIO AND VIDEO...

  • 147.88KB

  • 12頁(yè)

  • STMICROELECTRONICS   STMICROELECTRONICS

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STV8224A
MULTISTANDARD VIDEO AND SOUND IF SYSTEM
WITH AUDIO AND VIDEO SWITCHES
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PRELIMINARY DATA
VIDEO PLL DEMODULATION
SOUND PLL DEMODULATION
POSITIVE AND NEGATIVE MODULATION
AGC FOR BG AND L STANDARDS
AUDIO SWITCH
DC VOLUME CONTROL
VIDEO SWITCH
DESCRIPTION
The STV8224Ais a picture and 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.
AM sound demodulation is performed with the
STV8225 add-on.
PIN CONNECTIONS
SHRINK24
(Plastic Package)
ORDER CODE :
STV8224A
PIF PLL FILTER
AFC OUTPUT
CVBS OUTPUT
SWITCHING INPUT (STANDARD + INT/EXT)
IF LC
IF LC
AUDIO HIGH PASS FILTER
2nd IF SOUND INPUT
2nd IF DECOUPLING + MUTE
INTERNAL VIDEO INPUT
VIDEO SWITCH OUTPUT
EXTERNAL VIDEO INPUT
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TUNER AGC STARTING POINT ADJUSTMENT
TUNER AGC OUTPUT
AGC CAPACITOR
AGC CAPACITOR (L STANDARD)
IF INPUT
IF INPUT
GROUND
V
CC
EXTERNAL AUDIO INPUT
FM DEMODULATED AUDIO OUTPUT
AUDIO SWITCH OUTPUT
VOLUME CONTROL + MUTE
8224A-01.EPS
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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