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Motorola Electronic Components Datasheet

MC3374 Datasheet

LOW VOLTAGE SINGLE CONVERSION FM RECEIVER

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Low Voltage FM
Narrowband Receiver
MC3374
. . . with single conversion circuitry including oscillator, mixer, IF amplifiers,
limiting IF circuitry, and quadrature discriminator. The MC3374 is perfect for
narrowband audio and data applications up to 75 MHz which require
extremely low power consumption. Battery powered applications down to
VCC = 1.1 V are possible. The MC3374 also includes an on–board voltage
regulator, low battery detection circuitry, a receiver enable allowing a power
down Sleep–Mode, two undedicated buffer amplifiers to allow
simultaneous audio and data reception, and a comparator for enhancing
FSK (Frequency Shift Keyed) data reception to 1200 baud.
Low Supply Voltage: VCC = 1.1 to 3.0 Vdc
Low Power Consumption: PD = 1.5 to 5.0 mW
Input Bandwidth 75 MHz
Excellent Sensitivity: 0.5 µVrms for 12 dB SINAD
Voltage Regulator Available (Source Capability 3.0 mA)
Receiver Enable to Allow Active/Standby Operation
Low Battery Detection Circuitry
Self Biasing Audio Buffer
Data Buffer
FSK Data Shaping Comparator
Standard 32–Lead QFP Surface Mount Package
Sleep–Mode is a trademark of Motorola, Inc.
LOW VOLTAGE
SINGLE CONVERSION
FM RECEIVER
SEMICONDUCTOR
TECHNICAL DATA
32
1
FTB SUFFIX
PLASTIC PACKAGE
CASE 873
(Thin QFP)
ORDERING INFORMATION
Device
Tested Operating
Temperature Range
Package
MC3374FTB TA = – 10° to +70°C TQFP–32
Simplified Block Diagram
Data Data
Osc Mixer Mixer Mixer 2nd IF Buffer Buffer 1st IF
Dcpl In Out Dcpl In Out In Out
32 31 30 29 28 27 26 25
Osc Base 1
Osc Emit 2
Isrc Dcpl 3
IF Gnd 4
Mixer
2nd IF
Data
Buffer 1st IF
Audio
Buffer
Voltage
Reference
24 VCC3
23 1st IF In
22 Audio Buffer Out
21 Audio Buffer In
VCC2 5
Low
Rec Audio 6
Pass
Output
Filter
Demodulator Decoupling 7 Buffer
Quadrature
Quad Tank 8
Demodulator
Main
Current
Reference
Comp.
Low
Battery
Detector
20 Low Battery Detector
19 1.2 V Select
Receiver
Enable
Voltage
Reference
18 VCC
17 Vreg
*Internal Connection, do not ground.
9 10 11 12 13 14 15 16
Quad Demod *N/C *N/C Comp Comp Rec Regulator
Tank Gnd
I/P O/P Enable Reference
Test
This device contains 87 active transistors
MOTOROLA ANALOG IC DEVICE DATA
© Motorola, Inc. 1996
Rev 0
1


Motorola Electronic Components Datasheet

MC3374 Datasheet

LOW VOLTAGE SINGLE CONVERSION FM RECEIVER

No Preview Available !

MC3374
MAXIMUM RATINGS (Voltage with respect to Pins 4 and 10; TA = 25°C.)
Rating
Pin Value
Unit
Supply Voltage
RF Input Signal
Audio Buffer Input
Data Buffer Input
Comparator Input
Junction Temperature
Storage Temperature
18 5.0 Vdc
31 1.0 Vrms
21 1.0 Vrms
26 1.0 Vrms
13 1.0 Vrms
– 150 °C
– – 65 to +150 °C
Device should not be operated at or outside these values. The “Recommended Operating Limits” provide
for actual device operation.
RECOMMENDED OPERATING CONDITIONS
Parameter
Supply Voltage
Receiver Enable Voltage
1.2 V Select Voltage
RF Input Signal Level
RF Input Frequency
Intermediate Frequency (IF)
Audio Buffer Input
Data Buffer Input
Comparator Input
Ambient Temperature
Pin
Value
Unit
18
1.1 to 3.0
Vdc
15
VCC
Vdc
19 Open or VCC Vdc
31 0.001 to 100 mVrms
31
0 to 75
MHz
– 455 kHz
21
0 to 75
mVrms
26
0 to 75
mVrms
13
10 to 300
mVrms
–10 to 70
°C
ELECTRICAL CHARACTERISTICS (VCC = 1.3 V, fo = 10.7 MHz, fmod = 1.0 kHz, Deviation = 3.0 kHz, TA = 25°C, Test
Circuit of Figure 1, unless otherwise noted.)
Characteristic
Pin Min Typ Max
OVERALL MC3374 PERFORMANCE
Drain Current – Pin 15 = VCC (Enabled)
Drain Current – Pin 15 = 0 Vdc (Disabled)
5 + 18 + 24
5 + 18 + 24
1.6 3.0
0.5 –
Recovered Audio (RF Input = 10 µV)
Noise Output (RF Input = 0 mV, 300 Hz – 5.0 kHz)
Input for –ā3.0 dB Limiting
MIXER
Mixer Input Resistance (Rp)
Mixer Input Capacitance (Cp)
6 13 18 30
6 – 1.0 –
31 – 0.6 –
31 – 1.5 –
31 – 9.0 –
FIRST IF AMPLIFIER
First IF Amp Voltage Gain
– – 27 –
AUDIO BUFFER
Voltage Gain
Input Resistance
Maximum Input for Undistorted Output (<5% THD)
Maximum Output Swing (<5% THD)
Output Resistance
– 3.0 4.0 4.7
21 – 110 –
21 – 64 –
22 – 690 –
22 – 780 –
DATA BUFFER
Voltage Gain
Input Resistance
Maximum Input for Undistorted Output (<5% THD)
Maximum Output Swing (<5% THD)
Output Resistance
– 1.4 2.7 4.3
26 – 9.8 –
26 – 100 –
27 – 800 –
27 – 690 –
Unit
mA
µA
mVrms
mVrms
µVrms
k
pF
dB
V/V
k
mVrms
mVpp
V/V
M
mVrms
mVpp
2 MOTOROLA ANALOG IC DEVICE DATA


Part Number MC3374
Description LOW VOLTAGE SINGLE CONVERSION FM RECEIVER
Maker Motorola
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MC3374 Datasheet PDF






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