AN7280S
IF Amp. Output Saturation Level
Temperature Characteristics
5
V
CC
=8V
4
IF Amp. Output Saturation Level (dB)
3
2
1
0
–1
–2
–3
–4
–5
–40 –20
0
20
40 60
80 100
0
–40 –20
0
20
40 60
80 100
1
Pino Voltage (V)
3
4
5
SSC Input Pin
9
ICs for FM/AM Tuner
SSC ON Level
Temperature Characteristics
2
Ta (˚C)
Ta (˚C)
s
Application Circuit
V
CC
820Ω
ANT
82kΩ
0.01µF
100kΩ
0.001µF
MA551
18pF
KVC–1340
15pF
18pF
3SK1311
22Ω
KVC–1340
12pF
100kΩ
330Ω
0.001µF
100kΩ
Produced by MATSUSHITA
IFT : ZIF–5EF021B
330Ω
470Ω
C–F
4pF
0.01µF
1kΩ
0.01µF
0.01µF
To IF
12
11
20
100kΩ
19
18
RF
IN
17
16
15
14
IF
IN
13
GND PIN
D
AGC
Pass Mix Mix
Con. OUT OUT
E
1
12pF
B
2
AGC
Gain 2 Loop
Pass OSC
C OUT AGC Adj
IN GND SSC
3
56pF
0.01µF
0.001µF
AN7280S
4
5
IF Pass IF
Gain Con. OUT
Adj
V
CC
10
0.01µF
6
7
180kΩ
8
9
+
–
120kΩ
KVC–1340
3pF
V
T
1µF
0.01µF
56pF
5V 5V
0V
Control
Voltage
At Search
At Normal
0V
PANASONIC [ PANASONIC SEMICONDUCTOR ]
