n Overview
The AN6480 is an integrated circuit designed for IF amplifier
for car telephone and wireless installation.
n Features
• Excellent output voltage linearity for level detector
• Low temperature coefficiency of output voltage for level
detector
• Voltage stabilizer built-in
AN6480
IF Amplifier for Car Telephone
1
2
3
4
5
6
7
8
9
21.7
–
0.3
1.2
–
0.25
3 to 15˚
Unit : mm
6.3– 0.25
0.5
–
0.1
2.54
(3.45)
7.62– 0.25
18-pin DIL Plastic Package (DIP018-P-0300D)
0.3
+
0.1
– 0.25
18
17
16
15
14
13
12
11
10
0.51min.
3.8– 0.25
2nd Mixer
FM Det.
18 17 16 15 14
Osc. Input GND VCC
Reg.
Output
Level Det.
Output
13 12 11
1
Osc.
Input
2
2nd Mix.
Input
3
2nd Mix.
Output
4
IF Amp.
Input
5
Ref.
678
OP.
Amp.
10
IF Amp.
Output
FM Det.
Input
FM Det.
Output
OP. Amp.
Input
9
GND SQ
Output
SQ
Input
OP. Amp.
Output
IF Amp. SQ
Level Det.Regulator
n Block Diagram
n Pin Descriptions
Pin No. Pin name
1
2
3
4
5
6
7
8
9
Oscillator input
Second mixer input
Second mixer output
IF amp. input
Reference input
GND
Squelch output
Squelch input
O.P amp. output
Pin No. Pin name
10
11
12
13
14
15
16
17
18
OP. amp. input
FM detector output
FM detector input
IF amp. output
VCC
Level detector output
Voltage regulator output
GND
Oscillator input