ML3372 데이터 시트보기 (PDF) - LANSDALE Semiconductor Inc.
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ML3372 Datasheet PDF : 19 Pages
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ML3371, ML3372
LANSDALE Semiconductor, Inc.
Legacy Applications Information
Figure 12. Typical Application for ML3372 at 10.7 MHz
VCC = 4.0 Vdc
RSSI Output
R2
10 k
+ C9
10
1st IF 10.7 MHz
from Input
Front End
8.2 µH
L2
C16
91
R13
560
C1
0.01
L1
TKANS9443HM
6.8 µH ± 6%
R1
C6
51 k
0.1
C2 + R4
4.7 1.0 k
µF
D1 1N5817 R5
4.7 k R6
C3
C4
560
0.1 0.001 R7
C5 4.7 k
0.001
VR1 (Squelch Control)
10 k
R8
3.3 k C7
C8
0.022
0.22
R9
510 k
16
15
14
13 12
11
10
9
VR2
10 k
–
Filter
AF
Amp
Amp
Squelch Trigger
+
with Hysteresis
Demodulator
AF Out
to Audio
Power Amp
Mixer
Oscillator
1
2
3
C10
10.245
MHz
68
C2
220
Limiter
Amp
10
53 k
45
6
7
8
C13
R10 0.1
1.8k
C14
C12 R11
0.1 51 k
27p R12
4.3 k
muRata
CDB455C16
muRata
C15
CFU455D2
0.1
or
equivalent
Page 13 of 19
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