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参数资料
| 型号： | LA3450 |
| 元件分类： | 接收器 |
| 英文描述： | AM/FM, AUDIO DEMODULATOR, PDIP28 |
| 封装： | DIP-28 |
| 文件页数： | 4/16页 |
| 文件大小： | 522K |
| 代理商： | LA3450 |
LA3450
Νο.2393-12/16
140
-90
0
Attenuation -- fs
fs -- kHz
Attenuation
-
-dB
JK345016
90
100
110
120
130
-80
-70
-60
-50
-40
-30
-20
-10
Input signal pilot = 40mV
Spurious signal Vs = 100mV
0dB : Output level at input signal 400mV
Con
ventional
circuit
LA3450
20
0
80
Carrier Leak -- VCC
Supply Voltage, VCC -- V
Carrier
Leak
-
-dB
JK345017
4
6
8
10
12
14
16
18
20
40
60
19kHz
38kHz
Cancel circuit, de-emphsis
0dB : MONO output level
80
0
80
Carrier Leak - Pilot Level
Pilot Level -- mV
Carrier
Leak
-
-dB
JK345018
10
20
30
40
50
60
70
10
20
30
40
50
60
70
Rch
Lch
Cancel circuit, de-emphasis
ADJ at Pilot = 40mV
0dB : MONO output level
L+R = 90%, PILOT = 10%
18
88
104
S/N -- VCC
Supply Voltage, VCC -- V
S/N
-
-dB
JK345019
6
8
10
12
14
16
102
100
98
96
94
92
90
Input 400mV
Rg = 75
Ω
IHF-A
FLAT
MONO
STEREO
3
2
1.0
THD -- f
Frequency, f -- Hz
T
o
tal
Harmonic
Distortion,
THD
-
-%
JK345020
2
3
5
100
2
3
5
1k
2
3
5
10k
3
5
0.01
2
3
5
0.1
2
3
5
VCL = 13V
Vi = 400mV FM
Vi = 200mV AM
AM
MONO
STEREO-L, R
SUB
MAIN
1200
3
2
THD -- Vi
Input Level - mV (in mono equivalent)
T
o
tal
Harmonic
Distortion,
THD
-
-%
JK345021
0
200
400
600
800
1000
5
7
0.01
2
3
5
7
0.1
f = 1kHz
VCC = 13V
AM
MAIN
STEREO-L,
R
SUB
MONO
18
3
0.1
THD -- VCC
Supply Voltage, VCC -- V
T
o
tal
Harmonic
Distortion,
THD
-
-%
JK345022
6
8
10
12
14
16
5
7
0.01
3
5
7
2
AM
MONO
STEREO-L, R
SUB
MAIN
f = 1kHz
Vi = 400mV FM
Vi = 200mV AM
2
0
100
Sep -- f
Frequency, f -- Hz
Separation,
Sep
-
-dB
JK345023
0
2
3
5
100
2
3
5
1k
2
3
5
10k
10
20
30
40
50
60
70
80
90
VCC = 13V
Vi = 400mV
L
R
L
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