LA1800 查看數據表（PDF） - Tiger Electronic
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LA1800 Datasheet PDF : 9 Pages
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应用图
220pF
L A1 800
Vcc = 3V
47uF
123 4 5 6 7
FM IF Vcc
LPF
OSC feedback
LLAAD11188080000
AM
phase
input AGC FM input Gnd shifter
8 9 10 11
FM power
det output
LPF
change
power
over output input
22 21 20 19 18 17 16 15 14 13 12
earphone
( 200 )
SNY 07K 005
( 75 ) B.P.F ( 2K )
图1
75pF
AM
FM
单位：电阻：Ώ 电容： F
20K
1S 188
T2 T3
1000pF
L2
1000pF
220pF
Vcc = 3V
47uF
T1
2 SC
930E
L1
2pF
330
15K
4700pF
123 4 5 6 7
FM IF Vcc
LPF
OSC feedback
AM
LLAA118D801008000 phase
input AGC FM inputGnd shifter
8 9 10 11
FM power
det output
change
power
over output input
22 21 20 19 18 17 16 15 14 13 12
SNY 07K 005
( 75 ) B.P.F ( 2K )
75pF
AM
FM
earphone
( 200 )
Variable capacitor 2LXT-L
Mitsumi
L1
HH-40947 Mitsumi
T1
HW-40217 Mitsumi
T2
HW-40194 Mitsumi
T3
HW-50005 Mitsumi
B. P. F .
SNY-074-2005 Sumida
单位：电阻：Ω，电容：F
5/10
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