an7273s Panasonic Corporation of North America, an7273s Datasheet - Page 4

• Manufacturer Part Number: an7273s
• Description: Am Tuner, Fm/am If Amplifier Circuit
• Manufacturer: Panasonic Corporation of North America

AN7273, AN7273S
Application Circuit
Printed Circuit Board Layout
From
FM Front
End.
D
AM
FM
1
: MA27W
SW
330
Mute SW
AM ANT
2.2k
0.022 F
10k
Mute
T
ANT
OFF
2
18
ON
C1
1
2.2 F
0.022
51
IN
+
–
F
100 F
AM
17
2
2k
10k
+
–
D
47
AM
V
1
16
15
3
OSC
T2
FM
MA27W (Matsushita)
+
–
15
AN7273/S
4
47 F
CF2
T
+
–
+
–
3
47
14
5
18
1
10 F
13
+
–
FM IF Input
6
T3
+
–
0.0047 F
CF
12
0.022 F
7
1
T
0.022 F
1
V
11
8
CC
470
CF1
10
9
470
0.022 F
100 F
0.022 F
4.7 F
0.022 F
27k
0.022 F
47pF
V
T1
0.022 F
0.01 F
CC
V
V
+ –
27k
CC
O
AN7273
=5V
(FM, AM)
1 F
ICs for FM/AMTuner
AF Output