NTE1242
Integrated Circuit
FM/AM IF Amp, AM Converter
Features:
D
Separate AM and FM Circuitry
D
Ceramic Filters Can be Used.
D
Same AM and FM Detection Output Level
Absolute Maximum Ratings: (T
A
= +25
C unless otherwise specified)
Supply Voltage, V
CC
9.6V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Voltages, V
87
, V
156
14.4V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supply Current, I
CC
40mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation (T
A
= +75
C), P
D
400mW
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Ambient Temperature Range, T
opr
20
to +75
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
55
to +150
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (V
CC
= 8V, T
A
= +25
C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Total Circuit Current
I
tot
15
24
34
mA
Detector Output Voltage
AMIF
V
O
V
i
= 22dB
V, f = 1MHz, f
m
= 400Hz, 30% MOD
2.4
6.0
9.5
mV
FMIF
V
i
= 33dB
V, f
m
= 400Hz, f
d
= 22.5kHz,
f = 10.7MHz
3.8
7.0
10.0
mV
Circuit Voltages
V
32
3.0
V
V
76
1.7
V
V
124
V
10
= 1.0V
30
mV
V
10
= 1.4V
66
mV
V
48
120
mV
V
49
240
mV
V
154
62
mV
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