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Motorola Electronic Components Datasheet

MC3359 Datasheet

HIGH GAIN LOW POWER FM IF

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Low Power Narrowband FM IF
. . . includes oscillator, mixer, limiting amplifier, AFC, quadrature
discriminator, op/amp, squelch, scan control, and mute switch. The MC3359
is designed to detect narrowband FM signals using a 455 kHz ceramic filter
for use in FM dual conversion communications equipment. The MC3359 is
similar to the MC3357 except that the MC3359 has an additional limiting IF
stage, an AFC output, and an opposite polarity Broadcast Detector. The
MC3359 also requires fewer external parts. For low cost applications
requiring VCC below 6.0 V, the MC3361BP,BD are recommended. For
applications requiring a fixed, tuned, ceramic quadrature resonator, use the
MC3357. For applications requiring dual conversion and RSSI, refer to these
devices; MC3335, MC3362 and MC3363.
Low Drain Current: 3.6 mA (Typical) @ VCC = 6.0 Vdc
Excellent Sensitivity: Input Limiting Voltage –
– 3.0 dB = 2.0 µV (Typical)
Low Number of External Parts Required
For Low Voltage and RSSI, use the MC3371
Order this document by MC3359/D
MC3359
HIGH GAIN
LOW POWER
FM IF
SEMICONDUCTOR
TECHNICAL DATA
P SUFFIX
PLASTIC PACKAGE
CASE 707
DW SUFFIX
PLASTIC PACKAGE
CASE 751D
(SO–20L)
Device
MC3359DW
MC3359P
ORDERING INFORMATION
Operating
Temperature Range
TA = –30 to +70°C
Package
SO–20L
Plastic DIP
Figure 1. Simplified Application in a Scanner Receiver
VCC = 6.0 Vdc
10.245 MHz
1
68 pF
220 pF
Ceramic
Filter
2
3
4
Type MC3359
CFU
455 D
5
0.1 µF
0.1 µF
6
7
68 k 8
Quad
Coil
Toko
Type
7MC–8128Z
9
100 pF
Figure 2.
18 0.1 µF
51
17
10.7 MHz
Input
16 Mute
VCC = 6.0 Vdc
51 k
15 Scan Control
14 Squelch Input
13 Output
120 k
68 k
+
.47 µF
Inverting
Op Amp
12 (Filter)
Input
390 k
0.1 µF
0.001 µF
0.001 µF 750
1N4148
50 k
Squelch
Sensitivity
11 Automatic
Frequency
Control
18 k
10 Recovered Audio
7.5 k
0.002 µF
0.01 µF
10 k
Audio 0.01 µF
Volume
Audio
Out
Figure 2. Pin Connections and
Functional Block Diagram
Crystal
Osc.
1
2
Mixer 3
Output
VCC 4
Limiter 5
Input
Decoupling 6
Decoupling 7
Quadrature
Input
8
Demodulator
Filter
9
1.8 k
Limiter
52 k
50 k
10 pF
Demodulator
18 RF
Input
17 Gnd
16 Audio
Mute
15 Scan
Control
14 Squelch
Input
13 Filter
Output
+
12 Filter
Input
11
Demod
Output
10
Recovered
Audio
CASE 707
NC
Crystal
Osc.
Mixer
Output
VCC
Limiter
Input
Decoupling
Decoupling
Quadrature
Input
Demodulator
Filter
1 20
2 19
3 18
4 17
5 16
6 15
7 14
8 13
9 12
10 11
CASE 751D
NC
RF
Input
Gnd
Audio
Mute
Scan
Control
Squelch
Input
Filter
Output
Filter
Input
Demod
Output
Recovered
Audio
MOTOROLA ANALOG IC DEVICE DATA
© Motorola, Inc. 1996
Rev 3
1


Motorola Electronic Components Datasheet

MC3359 Datasheet

HIGH GAIN LOW POWER FM IF

No Preview Available !

MC3359
MAXIMUM RATINGS (TA = 25°C, unless otherwise noted)
Rating
Pin Symbol
Power Supply Voltage
4 VCC(max)
Operating Supply Voltage Range
qInput Voltage (VCC 6.0 Volts)
4 VCC
18 V18
Mute Function
16 V16
Junction Temperature
– TJ
Operating Ambient Temperature Range
TA
Storage Temperature Range
– Tstg
Value
12
6 to 9
1.0
– 0.7 to 12
150
– 30 to + 70
– 65 to + 150
Unit
Vdc
Vdc
Vrms
Vpk
°C
°C
°C
ELECTRICAL CHARACTERISTICS (VCC = 6.0 Vdc, fo = 10.7 MHz, f = ± 3.0 kHz, fmod = 1.0 kHz, 50 source, TA = 25°C test circuit
of Figure 3, unless otherwise noted)
Characteristics
Min Typ Max Units
Drain Current (Pins 4 and 8)
Squelch Off
Squelch On
3.6 6.0 mA
5.4 7.0
Input for 20 dB Quieting
Input for – 3.0 dB Limiting
– 8.0 – µVrms
– 2.0 – µVrms
Mixer Voltage Gain (Pin 18 to Pin 3, Open)
– 46 –
Mixer Third Order Intercept, 50 Input
Mixer Input Resistance
Mixer Input Capacitance
– – 1.0 – dBm
– 3.6 – k
– 2.2 – pF
Recovered Audio, Pin 10
(Input Signal 1.0 mVrms)
450 700
– mVrms
Detector Center Frequency Slope, Pin 10
– 0.3 – V/kHz
AFC Center Slope, Pin 11, Unloaded
– 12 – V/kHz
Filter Gain (test circuit of Figure 3)
40 51
– dB
Squelch Threshold, Through 10K to Pin 14
– 0.62 – Vdc
Scan Control Current, Pin 15
Pin 14 – High
0.01 1.0 µA
Pin 14 – Low
2.0
2.4
– mA
Mute Switch Impedance
Pin 16 to Ground
Pin 14 – High
Pin 14 – Low
5.0 10
1.5 – M
Ceramic
Filter
muRata
CFU455D
or
Kyocera
KBF455P–20A
Lp = 1.0 mH
Cp = 120 pF
Rp = 100 k
Figure 3. Test Circuit
VCC
10.245 MHz
220 pF
1
68
pF
2
3
0.1 µF
18
51
17
2.4 k
16
+
4 15 I
Input
10.7 MHz
Audio Gen.
0.7 Vp–p
5
0.1 µF
0.1 µF
6
7
68 k
8
14
10 k
13
1.0 M
1.0 k
12
1.0 µF
11
Squelch Input
Op Amp Output
Op Amp Input
AFC Output
9
100 pF
10
7.5 k
Audio Output
0.002 µF
2 MOTOROLA ANALOG IC DEVICE DATA


Part Number MC3359
Description HIGH GAIN LOW POWER FM IF
Maker Motorola
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MC3359 Datasheet PDF






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