TELEFUNKEN Semiconductors
TBA120T
FM IF amplifier and demodulator
Technology:
Bipolar
Features
D
Input and demodulator provided for operating with
ceramic-resonators
D
No selection of volume-input characteristics
D
Independent sound output for VTR and headphone
Case:
14 pin dual inline plastic
D
Additional sound input
D
High ripple rejection
D
High residual carrier suppression prevents harmonic
distortions
Figure 1 Block diagram
Pin Configuration
Pin
1
2, 13
3
4
5
Symbol
GND
V
i(AF)
V
ref
V
5
Function
Ground
Feedback
AF input – SCART
Reference voltage
Volume control
Pin
6,7,9,10
8
11
12
14
Symbol
V
o(AF)1
V
S
V
o(AF)2
V
i(IF)
Function
FM demodulator filter
AF output – controlled
Supply voltage
AF output – uncontrolled
IF input
Rev. A1: 20.12.1994
1
TEMIC [ TEMIC SEMICONDUCTORS ]
