MC3359P FM IF-Amplifier and Discriminator
MC3359 is similar to NJM3359
The MC3359 is a low power narrow band FM detector integrated circuit for FM dual conversion of communication equipment. The MC3359 includes oscillator, limiting amplifier, AFC circuit, quadrature detect, operational amplifier, squelch circuit, scan-control and muting switch.
The MC3359 is a circuit of MC3357 plus one stage limiting IF amplifier and AFC output terminal.
Pin
Name
Description
1
X-Tal Oscillator
2
X-Tal Oscillator
3
Mixer Output
4
Vcc
Positive Supply Voltage
5
Limiter In
6
Decouple
7
Decouple
8
Quad In
9
Demod Filter
10
Audio Output
11
Demodulated output
12
Filter Input
13
Filter Output
14
Squelch In
15
Scan Control
16
Audio Mute
17
GND
Ground
18
RF Input
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