ICs for FM/AM Tuner
AN7208SA
s Terminal Equivalent Circuits (continued)
Pin No.
Equivalent circuit
Description
Input resistance or pin voltage
17
16
FM OSC 2
Connects a local oscillator coil of
17
FM band
VCC
Approx. 10 kΩ
Approx. VCC
18
18
2
TV RF
To mix.
Connects an RF tuning coil of TV
band
19
19
1
FM RF
To mix.
Connects an RF tuning coil of
FM band
20
VCC1
Power supply pin
(RF, mix.block)
7