ML3372EP 查看數據表（PDF） - LANSDALE Semiconductor Inc.
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ML3372EP Datasheet PDF : 19 Pages
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ML3371, ML3372
LANSDALE Semiconductor, Inc.
Figure 2. ML3372 Functional Block Diagram and Test Fixture Schematic
RF Input
RSSI Output
VCC = 4.0 Vdc
C1
0.01
51 k
0.1
51
Mute
SqIn FilterOut
FilterIn
1.0 µF
1.0 µF 470
510 k
0.01
8.2 k
16
15
14
13
Squelch Trigger
with Hysteresis
Mixer
Oscillator
1
2
3
4
15
22
57.6575
MHz
0.33
0.001
muRata
CFU455D2
or
equivalent
12
11
10
9
Filter –
Amp
AF
+
Amp
Limiter
Amp
Demodulator
10
53 k
5
6
7
C13
R10
0.1
1.8 k
R11
C12
51 k
0.1
8
C14
27
R12
4.3 k
C15
0.1
AF Out
to Audio
Power Amp
Ceramic
Resonator
muRata
CDB455C16
Page 4 of 19
www.lansdale.com
Issue A
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