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Электронный компонент: NTE1441

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NTE1441
Integrated Circuit
FM IF Amplifier, Detector
Function:
D
IF Amplification, Limiter
D
Quadrature Detector
D
AF Preamplifier
D
Muting at Weak Input
D
Muting at the Detuning
D
Signal Meter Drive Output
D
AFC Tuning Meter Drive Output
D
Delay AGC Output
D
Inverting Circuit for Muting Drive Voltage
D
IF Amplifier Stop Circuit
Features:
D
High Limiting Sensitivity: 18
V Typ.
D
Low Distortion: 0.05% Typ Determined by the Linearity of Phase Characteristics in Phase
Shifting Circuit
D
High Demodulation Output: 330mV
rms
Typ
D
High S/N Ratio: 78.5dB Typ
D
Muting at Detuning with Little Shock Noise
D
Single Meter Drive Output Proportional with the Input Signal Level dB
D
Detuning Muting Band having Good Symmetrics
D
Tuning Meter Driving Output having Wide Swing Width
D
Delay AGC Drive Output for Front End
D
Constant Voltage Circuit is BuiltIn: Operating Voltage Range = 9V to 14V
D
Muting Characteristics Between Adjacent Stations are Distinguished
Absolute Maximum Ratings: (T
A
= +25
C unless otherwise specified)
Maximum Supply Voltage (Pin11), V
CC
max
16V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Input Voltage (Pin12), V
I
1V
PP
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Supply Current (Pin11), I
CC
40mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum FlowIn Current
Pin15, I
15
1mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pin16, I
16
1mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum FlowOut Current
Pin10, I
10
2mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pin12, I
12
2mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pin13, I
13
2mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pin15, I
15
2mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Allowable Power Dissipation, P
D
max
650mW
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range, T
opr
20
to +70
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
40
to +125
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Operating Condition: (T
A
= +25
C unless otherwise specified)
Supply Voltage, V
CC
12V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (T
A
= +25
C, V
CC
= 12V, f = 10.7MHz unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Quiescent Current
I
CCO
22
30
mA
Current Dissipation
I
CC
V
IN
= 100dB
26.5
33.0
mA
Demodulated Output
V
O
V
IN
= 100dB
, 400Hz 100% MOD
240
330
460
mV
rms
SignaltoNoise Ratio
S/N
V
IN
= 100dB
, 400Hz 100% MOD
72.0
78.5
dB
Input Limiting Voltage
V
IN(lim)
V
O
3dB down, 400Hz 100% MOD
25
31
dB
Total Harmonic Distortion
THD
V
IN
= 100dB
, 400Hz 100% MOD
0.05
0.3
%
Muting Sensitivity
V
IN(mute)
V
12
= 1.4V
23
29
35
dB
Muting Attenuation
Mute
(att)
V
5
= 2V, V
IN
= 100dB
, 400Hz 100% MOD
60
65
dB
Muting Bandwidth
BW
(mute)
V
IN
= 100dB
, V
12
= 1.4V
140
220
370
kHz
AM Rejection Ratio
AMR
V
IN
= 100dB
, FM: 400Hz 100% MOD,
AM: 1kHz 30% MOD
45
60
dB
Muting Driving Output
V
12
Quiescent
4.0
4.9
6.0
V
V
IN
= 100dB
0
0
0.3
V
Signal Meter Driving Output
V
13
Quiescent
0
0
0.1
V
V
IN
= 70dB
1.9
3.0
4.2
V
V
IN
= 100dB
4.5
5.5
V
AGC Output
V
15
Quiescent
4.2
5.0
5.5
V
V
IN
= 100dB
0
0
0.5
V
IF OFF Current
I
15(off)
Quiescent, V
810
20mV
10
35
60
A
Voltage of Muting Operation
V
16(mute)
V
IN
= 100dB
, V
12
= 1.4V
0.7
0.84
1.0
V
Offset Voltage
V
610B
Quiescent, Pin6 Pin10
0.5
0
+0.5
V
V
710B
Quiescent, Pin7 Pin10, R
710
= 5.1k
0.25
0
+0.25
V
Pin Voltage
V
1
Quiescent
2.6
V
V
2
2.6
V
V
3
2.6
V
V
6
5.6
V
V
7
5.6
V
V
8
5.4
V
V
10
5.6
V
V
12
4.9
V
V
13
0
V
V
15
5.0
V
V
CC
1
8
16
9
.260 (6.6) Max
.785 (19.9) Max
.300 (7.62)
.200 (5.08)
Max
.245
(6.22)
Min
.700 (17.7)
.100 (2.54)
GND
Detector Trans
GND
Detector Trans
Detector Trans
1
2
3
4
Front End
Front End
Front End
5
Mute Switch
6
AF Output
7
8
16
15
14
13
AGC
Signal Meter
12
11
10
9
Mute Level Adjust
Mute Switch
Pin Connection Diagram
AFC/V
ref