LV23401V Datasheet, PDF (8/24 Pages) Sanyo Semicon Device – For Home Stereo System 1-chip Tuner IC Incorporating PLL

Block Diagram
LV23401V
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FLL
LNA
Divider
AGC
DET
LNA
Ant cap
Osc cap GND
Ref. osc
Local
oscillator
Tuning
system
BPF
Image det
LDO
Power
management
State machine
Demodulator
Stereo
decoder
SD out
De-emphasis Stereo blend
ST out
Audio amp.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Measurement circuit
L2
33nH
L1
33nH
DO DI CL CE
X1
32.768kHz
BPF
C9
10pF
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LV23401V
T1
Dummy
ANT
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MPX OUT
GND
Lout Rout
SD ST
VCC=9V
No.A1746-8/24