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NTE1108
Integrated Circuit
AM−FM IF Amplifier
Features:
D Small Power Consumption ICC = 6.5mA (VCC = 5V)
D AM: Wide AGC Range (AGC = 65dB Typ.)
D FM: Excellent Limiter Characteristic
D High Integration and Many Functions
Absolute Maximum Ratings:
Supply Voltage, V
Operating Temperature Range, T
Storage Temperature Range, T
Minimum Operating Supply Voltage, V
4−9
opr
stg
ccm
7.5V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
−15 to +70°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
−40 to +125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.0V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (TA = +25°C, VCC = 5V, unless otherwise specified)
Parameter Symbol Test Conditions Min Ty p Max Unit
Total Current Consumption I
1st Block Voltage Gain
2nd Block Detection Gain
3rd Block Voltage Gain VG
AGC Range AGC 55 65 − dB
VG
VG
VG
VG
CC
1(AM)
1(FM)
2(DET)
2(FM)
3
f = 455kHz, RL = 1kΩ 41 46 − dB
f = 10.7, RL = 1kΩ 28 33 − dB
f = 455kHz, (f =1kHz 30% mod
= 470Ω) (Note 1)
R
g
f = 10.7MHz, RL = 1kΩ, Rg = 50Ω 38 44 − dB
f = 1kHz 24 29 − dB
− 6.5 8.8 mA
4 9 − dB
Note 1. VO(AF) = −20dBS
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Pin Connection Diagram
(Front View)
IF Amp/V
AF Input
AF Output
V
/1.4V
REG
V
CC
CC
1
2
3
4
5
6Limiter Output
7Detector Output
14 8
14
IF Input
N.C.
13
AGC Input
12
11
IF Amp Output
Bypass
10
GND
9
8 Det/Limiter Input
17
.785 (19.95)
Max
.200 (5.08)
Max
.100 (2.45) .099 (2.5) Min
.600 (15.24)
.300
(7.62)
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