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LA1823 Datasheet(PDF) 11 Page - Sanyo Semicon Device

Part # LA1823
Description  Single-Chip Tuner ICs for Use in Radio Cassette Recorder
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Manufacturer  SANYO [Sanyo Semicon Device]
Direct Link  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LA1823 Datasheet(HTML) 11 Page - Sanyo Semicon Device

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LA1823, LA1823M
No.6854-11/12
Continued from preceding page.
Pin
number
Function
Quiescent
voltage (V)
Remarks
Equivalent circuit
AM
FM
21
VCC2
4.5
4.4
FM-FE block VCC
Power is supplied from pin 4 (VCC1) via
external resistor (10
Ω)
22
24
FM-RF output
FM-RF input
4.5
0
4.4
0.9
Connect the FM-RF coil between this pin
and pin 21 (VCC2)
Rin = 1.8k
Ω
23
GND2
0
0
FM-FE block ground
21
22
24
21
4
R
Rin
Signal
VCC=4.5V
fc=98MHz
fm=1kHz, 22.5kHz dev
AM=30%mod
Signal
VCC=4.5V
fc=1000kHz
fm=1kHz, 30%mod
AM out
Noise
Noise
THD(22.5k)
THD(75k)
VCC=4.5V
fc=98MHz
fm=1kHz
VAGC
VCC=4.5V
fc=1000kHz
fm=1kHz, 30%mod
Input – dB/m
AM Characteristics
0
1
2
3
4
5
--20
140
Input – dB/m
AM Characteristics
--100
0
--20
140
Input – dB
μV EMF
FM Characteristics
--100
--80
--60
--40
--20
--80
--60
--40
--20
0
--20
0
20
40
60
80
100
120
0
20
40
60
80
100
120
0
20
40
60
80
100
120
0
20
40
60
80
100
120
140
Input – dB
μV EMF
FM Characteristics
0
1
2
5
3
4
0
2.5
0.5
1.0
1.5
2.0
--20
140


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