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參數(shù)資料
| 型號： | LA1235 |
| 元件分類： | 接收器 |
| 英文描述： | FM, AUDIO DEMODULATOR, PDIP16 |
| 封裝： | DIP-16 |
| 文件頁數(shù)： | 11/13頁 |
| 文件大?。?/td> | 289K |
| 代理商： | LA1235 |
LA1235
No. 873- 7/13
Sample Printed Circuit Pattern
+
2.2
μF
0.047
μF
0.047
μF
0.047
μF
0.047
μF
0.047
μF
0.047
μF
0.022
μF
1
μF
1
μF
2.2
μH
L1
1
μF
33pF
8
9
1
16
2.2
μF
+
220
μF
10k
Ω
3.3k
Ω
4.7
k
Ω
330
Ω
56k
Ω
50k
Ω
4.7k
Ω
30k
Ω
68k
Ω
6.8k
Ω
820
Ω
Mute input
T Meter
LA1235
T Meter
Coil
235S01
S Meter
AF Output
IF Input
(Cu-coated area 70
× 60mm2)
Block Diagram and Sample Application Circuit
330
Ω
30k
Ω
30k
Ω
0.047
μF
4.7k
Ω
3.3k
Ω
R201
IF IN
(to FE + IF amp.)
Signal meter
250
μA, 650Ω
Tuning meter
Detection transformer : 23S01 (Sumida)
Q228CEL-1077B (Toko)
Muting switch
To AM tuner
RF VCC
AF output
(To multi IC)
To voltage drive
type S meter
(Equivalent to LB1405)
C103
0.047
μF
C102
R202
DS442
4.7k
Ω
R203
0.047
μF
C101
0.022
μF
0.022
μF
0.047
μ
F
1
μF
1
μF
2.2
μF
C104
50k
Ω
R204
C105 C106
C107
56k
Ω
3.3k
Ω
600
Ω
820
Ω
68k
Ω
R205
R208
33pF
C109
C108
0.047
μF
2.2
μ
220
μF
0.047
μF
C111
C112
L1
C113
2.2
μF
100
μA
C110
R209
6.8k
Ω
R210
R211
R212
235S01
(Sumida)
Vref
AFC
VCC
10k
Ω
R207
R206
13
15
16
12
11
8
9
10
1
14
5
6
7
2
3
4
+
13
1st
2nd
3rd
4th
5th
6th
Level
det
Level
det
Level
det
Level
det
S meter
drive
Subtraction
circuit
Schimit
circuit
Quadrature
limiter
Quadrature
det
AFC
tuning
meter
AF
muting
amp.
Detuning
detection
Constant
voltage
circuit
IF off
Tuning
meter null
muting
Mute
drive
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA1235MC-AH | 制造商:ON Semiconductor 功能描述:HOME TUNER IC - Tape and Reel 制造商:ON Semiconductor 功能描述:REEL / HOME TUNER IC |
| LA1240 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:LA1240 |
| LA1245 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:AM 電子調(diào)諧器 |
| LA1247 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:AM ELECTRONIC TUNER |
| LA12540 | 制造商:LIGITEK 制造商全稱:LIGITEK electronics co., ltd. 功能描述:ROUND TYPE LED LAMPS |
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