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參數資料
| 型號： | LA1824 |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PDIP24 |
| 封裝： | 0.300 INCH, SDIP-24 |
| 文件頁數： | 10/10頁 |
| 文件大小： | 107K |
| 代理商： | LA1824 |
LA1824
No.6855-9/10
Pin
Quiescent
number
Function
voltage (V)
Equivalent circuit
Remarks
AM
FM
FM-FE block VCC
21
VCC2
4.5
4.4
Power is supplied pin 4 (VCC1)
via external resistor (10
)
Connect the FM-RF coil between
22
FM-RF output
4.5
4.4
this pin and pin 21 (VCC2)
24
FM-RF input
0
1.0
Rin = 500
23
GND2
0
FM-FE block ground
0
--20
--40
--60
--80
--100
2.0
1.5
1.0
0.5
0
2.5
--20
40
20
0
60
100
80
120
140
FM Characteristics
AM Characteristics
ILA00390
ILA00393
V
A
GC
-
V
THD
-
%
0
--20
--40
--60
--80
--100
Ant input -- dB/m
Output
-
dBm
Output
-
dBm
Ant input -- dB
V EMF
--20
40
20
0
60
100
80
120
140
Ant input -- dB
V EMF
060
40
20
80
120
100
140
0
60
40
20
80
120
100
140
Ant input -- dB/m
ILA00392
Signal
VCC=4.5V
fc=98MHz
fm=1kHz, 22.5kHz dev
AM=30%mod
AM Characteristics
Signal
VCC=4.5V
fc=1000kHz
fm=1kHz, 30%mod
AM out
Noise
5
4
2
3
1
0
THD
-
%
5
4
2
3
1
0
FM Characteristics
ILA00391
Noise
THD(22.5k)
THD(75k)
VCC=4.5V
fc=98MHz
fm=1kHz
THD30%
THD80%
VAGC
VCC=4.5V
fc=1000kHz
fm=1kHz, 30%mod
ILA00324
R
4
21
ILA00325
Rin
24
22
21
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