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MC3361 Datasheet Preview

MC3361 Datasheet

LOW POWER NARROW BAND FM IF

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LOW POWER NARROW BAND FM IF MC3361
DESCRIPTION
The MC3361 is designed for use in FM dual
conversion communication. It contains a complete
narrow band FM demodulation system operable to
less than 2.0V supply voltage. This low power
narrow band FM IF system provides the second
converter, second IF, demodulator. Filter Amp and
squelch circuitry for communications and scanning
receivers.
Outline Drawing
MC3361
SUM ***Y
16
F E AT U R E
z Operating voltage range : 2.0V ~ 8.0V
z Low Current consumption ICC=4.0mA Typ.
(VCC=4.0V)
z Excellent input sensitivity
(-3dB Limiting = 2.0 µVrms Typ.)
z Low number of external parts required
z Operating frequency up to 60MHz
PIN CONFIGURATION
MC3361
SUM ****
DIP-16
{Crystal
OSC
1
2
16 RF Input
15 GND
Mixer Output 3
14 Audio Mute
MC3361Vcc 4
13 Scan Control
Limiter Input 5
12 Squelch Input
Decouping 6
11 Filter output
Decouping 7
Quadrature
Input
8
10 Filter Input
9 Audio Output
1/5




SUM

MC3361 Datasheet Preview

MC3361 Datasheet

LOW POWER NARROW BAND FM IF

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MC3361
ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
Characteristic
Maximu m Supply Voltage
Supply Voltage Range
Detector Input Vo ltage
RF Input Voltage
Mute Function
Operating Temperature
Storage Temperature
Symbol
Vcc(MAX)
Vcc
VIN(DET)
VIN(RF)
VMUTE
Topr
Tstg
Va l u e
10
2.0~8.0
1.0
1.0
-0.5~+5.0
-20~+70
-65~150
Unit
V
V
Vp-p
Vr m s
Vpeak
°C
°C
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified: Ta=2 5°C, Vcc=4V, fo=10.7MHz, fm=1kHz, f=±3kHz)
Characteristics
Symbol
Test conditions
Min Typ Max Unit
Squelch Current
ICC1
ICC2
Squelch off (V12=2V) 2.9 3.9 4.9 mA
Squelch on (V12=0V) 4.4 5.4 6.4
Audio Output Voltage
VOUT
Vin=10mVrms
130 160 200 mVrms
Input Li miting Vo ltage
Total Harmonic
Distortion
Recovered Output Noise
Vo ltage
Drop Voltage AF Gain
Loss
Detector Output
Resistance
Signal to Noise Ratio
VIN(Lim)
THD
VNO
Gv
ROUT
S/N
-3dB Limiting
VOUT =170mVrms
No Input Signal
Vcc=4V 2V
2.0 6.0
0.8
µV
%
60 80 250 mVrms
-3 -0.6
dB
450
36 67
dB
Filter Gain
Filter Output DC
Vo ltage
Mute Low Resistance
Gv Vin=5mVrms, f=10kHz 40 50
dB
VO(DC)
1.0 1.3 1.6 VDC
RON(Mute) Mute Switch-on
10
Mute High Resistance
ROff(Mute) Mute Switch-off
1.0 10
M
Scan Control Low
VL(Scan) Mute off(V12=2V)
0 0.4 VDC
Scan Control High
VH(Scan) Mute on(V12=0V)
3.0 3.5
VDC
Trigger Hysteresis
VTH Squelch on/off
45 100 mVrms
Mixer Conversion Gain
GV(Mix)
28 dB
Mixer Input Resistance
Ri(Mix)
3.3 k
Mixer Input Capacitance Ci(Mix)
2.2 pF
2/5


Part Number MC3361
Description LOW POWER NARROW BAND FM IF
Maker SUM
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MC3361 Datasheet PDF






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