mc3371dtb ETC-unknow, mc3371dtb Datasheet - Page 4

• Manufacturer Part Number: mc3371dtb
• Description: Low Power Narrowband Fm If
• Manufacturer: ETC-unknow

V CC = 4.0 Vdc
4
57.6575
MHz
0.01
C1
RF Input
16
1
Figure 2. MC3372 Functional Block Diagram and Test Fixture Schematic
Oscillator
22
15
51
15
2
Squelch Trigger
with Hysteresis
0.001
Mixer
51 k
0.33
14
3
Mute
CFU455D2
equivalent
RSSI Output
0.1
muRata
13
MC3371 MC3372
or
4
12
5
Sq In
1.8 k
R10
C12
0.1
Limiter
Amp
Filter Out
11
6
Filter
Amp
1.0 F
510 k
C13
0.1
R11
51 k
–
+
10
Filter In
7
Demodulator
MOTOROLA ANALOG IC DEVICE DATA
470
1.0 F
C14
53 k
27
10
Amp
AF
9
8
8.2 k
4.3 k
R12
C15
0.1
0.01
AF Out
to Audio
Power Amp
Ceramic
Resonator
muRata
CDB455C16