Order this document by MC3357/D
Low Power Narrowband FM IF
. . . includes Oscillator, Mixer, Limiting Amplifier, Quadrature Discriminator,
Active Filter, Squelch, Scan Control, and Mute Switch. The MC3357 is
designed for use in FM dual conversion communications equipment.
鈥?/div>
Low Drain Current (3.0 mA (Typical) @ VCC = 6.0 Vdc)
MC3357
LOW POWER
FM IF
SEMICONDUCTOR
TECHNICAL DATA
鈥?/div>
鈥?/div>
鈥?/div>
Excellent Sensitivity: Input Limiting Voltage 鈥?/div>
(鈥?3.0 dB) = 5.0
碌V
(Typical)
Low Number of External Parts Required
Recommend MC3372 for Replacement/Upgrade
P SUFFIX
PLASTIC PACKAGE
CASE 648
D SUFFIX
PLASTIC PACKAGE
CASE 751B
(SO鈥?6)
PIN CONNECTIONS
Figure 1. Representative Block Diagram
VCC
10.245 MHz
16
Oscillator
Mixer
Crystal
Osc.
1
10.7 MHz Input
Mixer
Output
15
Ground
VCC
Limiter
Input
Decoupling
Limiter
Output
Noise
Detector
Quad
Input
1
2
3
4
5
6
7
8
16
Input
15
Gnd
14
Mute
Audio
Scan
RF
2
13
Control
12
Input
Filter
Filter
Squelch
455 kHz
Filter
Squelch Trigger
With Hysteresis
3
14
Audio Mute
Scan Control
4
13
11
Output
10
Input
9
Output
Demodulator
5
Limiter
Amp
Active
Filter
Amp
2.0 V
12
11
6
7
+ _
Z1
10
Z2
8
Demodulator
Quad
Coil
9
Audio
ORDERING INFORMATION
Device
MC3357D
MC3357P
Operating
Temperature Range
TA = 鈥?30 to +70擄C
Package
SO鈥?6
Plastic DIP
漏
Motorola, Inc. 1996
Rev 5
MOTOROLA ANALOG IC DEVICE DATA
1
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