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MC3361B Datasheet, PDF (1/8 Pages) Motorola, Inc – Low Power Narrowband FM IF
Freescale Semiconductor, Inc.Order this document by MC3361B/D
Low Power Narrowband FM IF
The MC3361B includes an Oscillator, Mixer, Limiting Amplifier,
Quadrature Discriminator, Active Filter, Squelch, Scan Control and Mute
Switch. This device is designed for use in FM dual conversion
communications equipment.
• Operates from 2.0 to 8.0 V Supply
• Low Drain Current 3.9 mA Typical @ VCC = 4.0 Vdc
• Excellent Sensitivity: Input Limiting Voltage –3.0 dB = 2.6 µV Typical
• Low Number of External Parts Required
• Operating Frequency Up to 60 MHz
MC3361B
LOW POWER
NARROWBAND FM IF
SEMICONDUCTOR
TECHNICAL DATA
16
1
P SUFFIX
PLASTIC PACKAGE
CASE 648
Not Recommended for New Design
Representative Block Diagram
Mixer
Scan Squelch Filter Filter Recovered
Input Gnd Mute Control In Output Input Audio
16
15
14
13
12
11
10
9
Squelch Trigger with
Hysteresis
–
Filter
Amp
AF
Amp
+
Demodulator
Mixer
1.8 k
Oscillator
Limiter
Amp
50 k
1.8 k
1
2
3
4
5
6
7
Crystal
Osc
Mixer VCC Limiter
Output
Input
Decoupling
This device contains 92 active transistors.
10 pF
52 k
8
Quad
Coil
16
1
D SUFFIX
PLASTIC PACKAGE
CASE 751B
(SO–16)
PIN CONNECTIONS
1
Crystal Osc 2
Mixer Output 3
VCC 4
Limiter Input 5
6
Decoupling 7
Quad Coil 8
16 Mixer Input
15 Ground
14 Audio Mute
13 Scan Control
12 Squelch Input
11 Filter Output
10 Filter Input
9
Demodulator
Output
(Top View)
ORDERING INFORMATION
Device
Operating
Temperature Range
Package
MC3361BD
TA = –30 to 70°C
MC3361BP
SO–16
Plastic DIP
© Motorola, Inc. 1999
MOTOROLA RF/IF DEVICE DATA For More Information On This Product,
Go to: www.freescale.com
Rev 1
1