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MC3362 Datasheet

LOW-POWER DUAL CONVERSION FM RECEIVER

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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
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 Motorolais MOSAICr Process Technology
MC13135 is Preferred for New Designs
Order this document by MC3362/D
MC3362
LOW–POWER
DUAL CONVERSION
FM RECEIVER
SEMICONDUCTOR
TECHNICAL DATA
P SUFFIX
PLASTIC PACKAGE
CASE 724
DW SUFFIX
PLASTIC PACKAGE
CASE 751E
(SO-24L)
Figure 1. Simplified Application in a PLL Frequency
Synthesized Receiver
RF Input
to 200 MHz
Figure 2.
Input
Match
VCC
120 pF
10.245 MHz 50 pF
Ceramic Filter
455 kHz
0.01
0.1 0.1
0.1 200 k
10 k To Carrier
Detect
Indicator
Lp = 680 µH
Cp = 180 pF
39 K
1 24
2 23
3 22
4 21
5 20
MC3362
6 19
7 18
8 17
9 16
10 15
11 14
12 13
From PLL Phase
Detector
0.01
0.41 µH
To PLL or Prescaler
Ceramic Filter
10.7 MHz
1.0 +
10 k
0.001
8.2 k
0.1
Data VCC
Recovered
0.01 Audio
Figure 2. Pin Connections and
Representative Block Diagram
1st Mixer Input 1
2nd LO Output 2
2nd LO Emitter 3
2nd LO Base 4
2nd Mixer Output 5
VCC 6
Limiter Input 7
Limiter
Decoupling
8
Limiter
Decoupling
9
Meter Drive 10
Carrier Detect 11
Quadrature Coil 12
X
X
X
24 1st Mixer Input
23 Varicap Control
22 1st LO Tank
21 1st LO Tank
20 1st LO Output
19 1st Mixer Output
18 2nd Mixer Input
17 2nd Mixer Input
16 VEE
15 Comparator Output
14 Comparator Input
13 Detector Output
ORDERING INFORMATION
Device
Operating
Temperature Range
Package
MC3362DW
TA = – 40 to +85°C
MC3362P
SO–24L
Plastic DIP
MOTOROLA ANALOG IC DEVICE DATA
© Motorola, Inc. 1996
Rev 2
1


Motorola Electronic Components Datasheet

MC3362 Datasheet

LOW-POWER DUAL CONVERSION FM RECEIVER

No Preview Available !

MC3362
MAXIMUM RATING (TA = 25°C, unless otherwise noted)
Rating
Pin
Symbol
Value
Unit
Power Supply Voltage (See Figure 2)
Operating Supply Voltage Range (Recommended)
qInput Voltage (VCC 5.0 Vdc)
Junction Temperature
Operating Ambient Temperature Range
Storage Temperature Range
6
6
1, 24
VCC(max)
VCC
V1–24
TJ
TA
Tstg
7.0
2.0 to 6.0
1.0
150
– 40 to + 85
– 65 to + 150
Vdc
Vdc
Vrms
°C
°C
°C
ELECTRICAL CHARACTERISTICS (VCC = 5.0 Vdc, fo = 49.7 MHz, Deviation = 3.0 kHz, TA = 25°C, Test Circuit of Figure 3,
unless otherwise noted)
Characteristic
Pin Min Typ Max Units
Drain Current (Carrier Detect Low – See Figure 5)
Input for – 3.0 dB Limiting
Input for 12 dB SINAD (See Figure 9)
Series Equivalent Input Impedence
Recovered Audio (RF signal level = 10 mV)
Noise Output (RF signal level = 0 mV)
Carrier Detect Threshold (below VCC)
Meter Drive Slope
Input for 20 dB (S + N)/N (See Figure 7)
First Mixer 3rd Order Intercept (Input)
First Mixer Input Resistance (Rp)
First Mixer Input Capacitance (Cp)
Conversion Voltage Gain, First Mixer
Conversion Voltage Gain, Second Mixer
Dector Output Resistance
6 – 4.5 7.0 mA
– 0.7 2.0 µVrms
– 0.6 – µVrms
– 450–j350 –
13 – 350 – mVrms
13 – 250 – mVrms
10 – 0.64 – Vdc
10 – 100 – nA/dB
– 0.7 – µVrms
– –22 – dBm
– 690 –
– 7.2 – pF
– 18 – dB
– 21 –
13 – 1.4 – k
RF Ferronics
Input 12–345–K
Figure 3. Test Circuit
50
120 pF
2:6
10.245
MHz
50 pF
FL1
0.1
68 k
0.1
180 pF
1 24
2 23
3 22
4 21
5 20
6 MC3362 19
7 18
8 17
9 16
10 15
11 14
12 13
0.01
33 pF
FL2
0.1
10.5 Turns
Coilcraft
UNI–10/142
FL1:
muRata CFU455D
or
Toko LFC–4551
FL2:
muRata SFE10.7MA
or
Toko SK107M3–A0–10
Toko RMC–2A6597HM
VCC
NOTE: See AN980 for Additional Design Information.
1.0 µF
+
VEE
2 MOTOROLA ANALOG IC DEVICE DATA


Part Number MC3362
Description LOW-POWER DUAL CONVERSION FM RECEIVER
Maker Motorola
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MC3362 Datasheet PDF






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