TDA8192
MULTISTANDARD AM AND FM SOUND IF CIRCUIT FOR TV
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A 2-STAGE GAIN CONTROLLED AMPLIFIER,
PROVIDING COMPLETE IF GAIN ;
(AM SECTION)
A PEAK DETECTOR AND INTEGRATION
WHICH PROVIDES AGC-VOLTAGE ;
(AM SECTION)
A 6-STAGE LIMITING AMPLIFIER FOL-
LOWED BY A SYNCHRONOUS DEMODULA-
TOR AND DEEMPHASIS NETWORK ;
(FM SECTION)
AN AUDIO PREAMPLIFIER
A CIRCUIT PROVIDING AM/FM SWITCHING
AND MUTE FACILITIES
AN EXTERNAL AUDIO INPUT CIRCUIT WITH
SWITCHING FACILITIES TO DELIVER
EITHER THE DEMODULATED IF, OR THE
EXTERNAL AUDIO SIGNAL AT THE OUTPUT
FULLY COMPATIBLE WITH THE SCART
EUROPEAN NORM EN50 049
A DC CONTROLLED VOLUME CIRCUIT
DIP20
(Plastic Package)
ORDER CODE :
TDA8192
DESCRIPTION
The demodulated IF signal is always available at a
low impedance output.
PIN CONNECTIONS
IF/AM INPUT
AMPLIFIED AGC (BYPASS)
1st STAGE OUTPUT
AM/FM SWITCH
2nd STAGE INPUT
2nd STAGE OUTPUT
AGC BYPASS
REFERENCE VOLTAGE (+6V)
VOLUME CONTROL INPUT
AUDIO OUTPUT (0 to 1 V
RMS
)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
GND
FM INPUT
FM INPUT (BYPASS)
5.5MHz TUNED CIRCUIT
DEEMPHASIS CAPACITOR
MUTE SWITCH
SCART AUDIO OUTPUT
SCART SWITCH
SCART AUDIO INPUT
POWER SUPPLY (+12V)
8192-01.EPS
October 1993
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