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LA1828 View Datasheet(PDF) - SANYO -> Panasonic

Part Name
Description
Manufacturer
LA1828 Datasheet PDF : 12 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Continued from preceding page.
Pin No.
Pin function
18
MPX input
LA1828
Quiescent voltage (V)
AM
FM
1.3
1.3
RIN = 50kΩ
Description
19
FM detector output
0.5
and AM detector
output
20
FM-OSC
4.5
1.5
Output impedance
AM : ROUT = 50kΩ
FM : ROUT = 500Ω
Capacitance between pin 19 and ground
should be optimzed for the best separation
characteristics.
4.4
Colpitts oscillator circuit
FM oscillator coil is connected to pin 20.
Equivalent circuit
18
RIN
ROUT (FM)
19
ROUT (AM)
21
20
21
VCC2
22
FM-RF output
24
FM-RF input
4.5
4.4
FM-FE block VCC
Power is supplied from pin 4 (VCC1) via
external resistor (10Ω).
R
21
4
4.5
4.4
FM RF coil is connected between pins 22
and 21 (VCC2).
22
21
0
1.0
RIN = 1.8kΩ
24
23
GND2
0
0
FM-FE brock ground
No.5837-7/12
 

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