AN7243 データシートの表示（PDF） - Panasonic Corporation
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AN7243 Datasheet PDF : 7 Pages
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ICs for FM/AM Tuner
AN7243S
AGC Freq. Characteristics
120
fOSC =108.7MHz
110
100
90
80
70
6088
92 96 100 104 108
Input Frequency fin (MHz)
OSC OUT – fOSC
130
VCC =8V
Input 115dBµV
from SG to Pin2
Pin3 OPEN
120
C =3pF
C =10pF
AN7243S
2
0.01µF
SG
3
OSC
OUT
C
110
100
90
50 60 70 80 90 100 110 120 130
fOSC (MHz)
Mixer + IF Amp.
Total Gain Temperature
Characteristics
4
VCC =8V
3
Total Gain =0dB
at Ta =25˚C
2
1
0
–1
–2
–3
–4
–5
–6
–60 –40 –20 0 20 40 60 80 100
T (˚C)
AGC Adj. R – AGC ON Level
85
75
50Ω +75Ω
AN7243S
103
65
AGC Adj. R
0
10
100 1000
∞
AGC Adj R (Ω)
VAGC (H) Supply Voltage
Characteristics
16
14
12
10
8
6
4
2
0
4 6 8 10 12 14
VCC (V)
IADX – VADX
8
7
6
5
4
3
2
1
0
0 5 10 15 20 25 30 35
IADX (mA)
IF Amp. Saturation Level
400
300
200
100
2 4 6 8 10 12 14
VCC (V)
AGC ON Level
Temperature Characteristics
100
90
AGC ON LEVEL
R Adj = ∞
80
70
AGC ON LEVEL
R Adj = 0Ω
60
50
–60 –40 –20 0 20 40 60 80 100
T (˚C)
AGC ON Level
VCC Dependence
90
85
80
AGC ON LEVEL
R Adj = ∞
75
70
65
AGC ON LEVEL
60
R Adj = 0Ω
2 4 6 8 10 12 14 16
VCC (V)
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