NTE1237
Integrated Circuit
AM Radio without Audio Stage
Features:
D
Small External Part Count
D
Tuning Meter Circuit
D
Wide AGC Range
Absolute Maximum Ratings:
(T
A
= +25擄C unless otherwise specified)
Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V
Power Dissipation, P
T
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW
Operating Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +70擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +125擄C
Electrical Characteristics:
(V
CC
= 12V, f = 1MHz unless otherwise specified)
Parameter
Maximum Sensitivity
Signal鈥搕o鈥揘oise Ratio
Symbol
MS
S/N
Test Conditions
f
M
= 400Hz, MOD = 30%, Output=50mV
f
M
= 400Hz, Input = 40dB/m
MOD = 30%
Input = 74dB/m
f
M
= 400Hz
MOD = 30%, Input = 74dB/m
MOD = 80%, Input = 74dB/m
MOD = 30%, Input =120dB/m
Detector Voltage
Tuning Meter Circuit
Quiescent Current
V
O(DET)
f
M
= 400Hz, MOD = 30%, Input = 74dB/m
TM
I
Q
Input = 74dB/m
Min Typ Max Unit
37.5 40.0 42.5
8
42
鈥?/div>
鈥?/div>
鈥?/div>
12
45
1.0
1.5
2.5
鈥?/div>
鈥?/div>
2.0
3.0
10
dB
dB
dB
%
%
%
Total Harmonic Distortion
THD
140 170 230 mW
50
NTE1237 產(chǎn)品屬性
NTE
置換半導體
否
1
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