AN7223 Ver la hoja de datos (PDF) - Panasonic Corporation
Número de pieza
componentes Descripción
Fabricante
AN7223 Datasheet PDF : 3 Pages
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AN7223
s Application Circuit
to Front End
ICs for FM/AM Tuner
FM
47Ω
AM
+
–
T2
+
36
–
V15
+
+
–
–
+
–
0.022µF
470Ω
1
T1
VCC (5V)
VO (FM.AM)
4
1
18 17 16 15
14 13 12 11
0.022µF
10
AN7223
1
23
Mute
ON
OFF
4
56
++
––
3
4
6
1
T3
7
8
9
0.02µF
47pF
s Coil Specifications
Symbol
Use, Freq
FM
T1
Quad. Coil
10.7MHz
Type No.
Maker
Connection
Diagram
3
4
EIF–
7S752A
MATSUSHITA 2
1
6
Number of
Turns
Tuning Cap. Unloaded Q
1 – 2 8T
2 – 3 5T
4 – 6 3T
100pF
90±20%
3
T2
AM MW
Osc. Coil
ELL–
7S754
MATSUSHITA 2
1
4
1 – 2 4T
2 – 3 125T
4 – 6 7T
6
95±20%
T3
AM Mix.
Output
455kHz
EIA–
7S802A
3
MATSUSHITA 2
1
4 3 – 2 35T
6 – 4 10T
2 – 1 19T
6
1500pF
60±30%
s Ceramic Filter Specification
Symbol
CF1
Use
AM IF
Type No.
CFM2 – 455B
Maker
TOKO
Center Freq.
455kHz
Band Width
7kHz (–6dB)
Loss
2.6dB
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