LA1838 Просмотр технического описания (PDF) - SANYO -> Panasonic
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Компоненты Описание
производитель
LA1838 Datasheet PDF : 9 Pages
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LA1838
Overall FM Characteristics
10
0
Out
-10
-20
-30
-40
-50
-60
-70
-80
VCC = 9 V
fc = 10.7 MHz
-90
fm = 1 kHz,75 kHzdev
AM = 30% mod
-100
0
20
40
60
AM Out
Noise
80
100 120
Input, — dBµ
FM THD vs. Band Characteristics
5.0
VCC = 9 V
VIN = 100 dBµ
fm = 1 kHz, 75 kHzdev
4.0
3.0
2.0
1.0
0
10.60 10.62 10.64 10.66 10.68 10.70 10.72 10.74 10.76 10.78 10.80
Frequency, fc — MH
Separation vs. Frequency Characteristics
50
45
Sep - R
Sep -L
40
35
30
25
20
15
10
5
0
0.01 2 3 5 7 0.1 2 3 5 7 1.0 2 3 5 7 10 2
Frequency, freq — kHz
Capture Range Characteristics
6
CR+
4
2
0
-2
-4
CR-
-6
10
20
30
40
Pilot — mV
5 FM THD and VSM Characteristics
4
VSM
3
2
1
THD
0
0 10 20 30 40 50 60 70 80 90 100 110 120
Input, — dBµ
Distortion vs. Frequency Characteristics
10
7
5
3
2
1.0
7
5
3
2
0.1
7
5
3
2
0.01
0.01 2 3 5 7 0.1 2 3 5 7 1.0 2 3 5 7 10 2 3
Frequency, freq — kHz
Adjacent Channel Rejection Ratio
0
IF = 10.7 MHz, 100 dBµ, 75 kHzdev
-10 VS = 90%
PILOT = 10%
-20
Referenced to the
L-R demodulated output
LA1836
-30
-40
-50
-60
LA1838
-70
-80
-90
70 90 110 130 150 170 190 210 230
Frequency, fs — kHz
SD Sensitivity Adjustment
90
80
12 30
70
60
AM FM
50
FM
40
30
AM
20
10
0
0
2
4
6
8
10 12 14 16
Rsdadj — kΩ
No. 5888-7/9
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