TDA4483
Intercarrier Mixer and AM-Demodulator for TV and VCR
Features
D
Very high input sensitivity
D
Excellent signal-to-noise ratio
D
Intercarrier output signal gain controlled and indepen-
dent from the picture carrier to sound carrier ratio
D
Few external components
D
ESD protected
D
AM demodulator alignment free
Case:
DIP14
Block Diagram
AGC
7
14
+V
S
13
1
IF Input
sound carrier
2
10
4
Standard switch
(AM / FM)
5
IF Input
picture carrier
6
8
Intercarrier
output (FM)
12
AF output
(AM)
93 7481
Figure 1.
TELEFUNKEN Semiconductors
Rev. A1, 15-May-96
1 (8)