Order this document by MC3362/D
Low-Power Narrowband
FM Receiver
. . . includes dual FM conversion with oscillators, mixers, quadrature
discriminator, and meter drive/carrier detect circuitry. The MC3362 also has
buffered first and second local oscillator outputs and a comparator circuit for
FSK detection.
•
Complete Dual Conversion Circuitry
MC3362
LOW–POWER
DUAL CONVERSION
FM RECEIVER
SEMICONDUCTOR
TECHNICAL DATA
•
•
•
•
•
•
•
Low Voltage: VCC = 2.0 to 6.0 Vdc
Low Drain Current (3.6 mA (Typical) @ VCC = 3.0 Vdc)
Excellent Sensitivity: Input Voltage 0.6
µVrms
(Typical)
for 12 dB SINAD
Externally Adjustable Carrier Detect Function
Low Number of External Parts Required
Manufactured Using Motorola
i
s MOSAIC
r
Process Technology
MC13135 is Preferred for New Designs
P SUFFIX
PLASTIC PACKAGE
CASE 724
DW SUFFIX
PLASTIC PACKAGE
CASE 751E
(SO-24L)
Figure 2. Pin Connections and
Representative Block Diagram
Figure 1. Simplified Application in a PLL Frequency
Synthesized Receiver
RF Input
to 200 MHz
1st Mixer Input 1
2nd LO Output 2
2nd LO Emitter 3
X
24 1st Mixer Input
23 Varicap Control
22 1st LO Tank
21 1st LO Tank
X
20 1st LO Output
19 1st Mixer Output
18 2nd Mixer Input
17 2nd Mixer Input
16 VEE
15 Comparator Output
14 Comparator Input
X
13 Detector Output
Figure 2.
Input
Match
0.01
VCC
120 pF
1
2
10.245 MHz
50 pF
3
4
Ceramic Filter
455 kHz
5
MC3362
6
7
0.1
0.1
10 k
0.1
8
9
200 k
To Carrier
Detect
Indicator
10
11
12
39 K
24
23
22
21
20
19
18
17
16
15
14
0.001
13
8.2 k
Recovered
0.01 Audio
10 k
0.1
Data
VCC
To PLL or Prescaler
Ceramic Filter
10.7 MHz
1.0 +
0.01
0.41
µH
From PLL Phase
Detector
2nd LO Base 4
2nd Mixer Output 5
VCC 6
Limiter Input 7
Limiter
8
Decoupling
Limiter
9
Decoupling
Meter Drive 10
Carrier Detect 11
Quadrature Coil 12
ORDERING INFORMATION
Device
MC3362DW
MC3362P
Operating
Temperature Range
TA = – 40 to +85°C
Package
SO–24L
Plastic DIP
Rev 2
Lp = 680
µH
Cp = 180 pF
©
Motorola, Inc. 1996
MOTOROLA ANALOG IC DEVICE DATA
1
MOTOROLA [ MOTOROLA, INC ]
