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PDF MC13022A Data sheet ( Hoja de datos )
| Número de pieza | MC13022A | |
| Descripción | C-QUAM ADVANCED MEDIUM VOLTAGE AM STEREO DECODER | |
| Fabricantes | Motorola Semiconductors | |
| Logotipo |  |
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Advance Information
Advanced Medium Voltage
AM Stereo Decoder
The MC13022A is designed for home and automotive AM stereo radio
applications. The circuits and functions included in the design allow
implementation of a full–featured C–QUAM® AM stereo radio with relatively
few, inexpensive external parts. It is available in either 28–lead DIP or EIAJ
compatible wide–bodied 28–lead SOIC. Functionally, the MC13022A and
MC13022 are very similar. The MC13022A has 10 dB more audio output and
a CMOS compatible logic level output (Pin 15) for stop sense. The stop
sense/AGC function has been internally connected to the output notch filter
control.
• Operation from 6.0 V to 10 V Supply with Current Drain of 20 mA Typ
• IF Amplifier with Two Speed AGC
• Post Detection Filters that Allow Automatic Adjustable Audio Bandwidth
Control and Notch Filtering (9.0 or 10 kHz)
• Signal Quality Controlled Stereo Blend and Noise Reduction
• Noise and Co–Channel Discriminating Stop–On–Station
• Signal Strength Indicator Output for Stop Sense and/or Meter Drive
• Signal Strength Controlled IF and Audio Bandwidth
• Noise Immune Pilot Detector Needs no Precision Filter Components
• MC13025 Complementary Electronically Tuned Radio Front End
• CMOS Compatible Driver for Stop Sense
C–QUAM is a registered trademark of Motorola, Inc.
The purchase of the Motorola C–QUAM® AM Stereo Decoder does not carry with such pur-
chase any license by implication, estoppel or otherwise, under any patent rights of Motorola
or others covering any combination of this decoder with other elements including use in a
radio receiver. Upon application by an interested party, licenses are available from Motorola
on its patents applicable to AM Stereo radio receivers.
Simplified Application
450 kHz
Low–Level
IF
IF Amp
AGC
IF
Decoder
I
Q
Pilot
Detector
Yes/No
Signal
Level
Quality
Detector
Fast AGC Control
L
Post Det
R Filter
Blend, COSθ,
Fast–Lock
Conrol
Left Audio
Right Audio
Pilot Lamp
Signal
Strength
Control of
Audio Filters
CMOS
(Logic)
MC13022A
C–QUAM ADVANCED
MEDIUM VOLTAGE
AM STEREO DECODER
SEMICONDUCTOR
TECHNICAL DATA
28
1
P SUFFIX
PLASTIC PACKAGE
CASE 710
28
1
DW SUFFIX
PLASTIC PACKAGE
CASE 751F
(SO–28L)
PIN CONNECTIONS
Env Det 1
Decoder Input 2
Ref 3
AGC 4
IF Input 5
SS 6
Filtered Left Out 7
Left Notch In 8
Feedback 9
Unfiltered Lout 10
Unfiltered Rout 11
Feedback 12
Right Notch In 13
Filtered Right Out 14
28 I Det
27 L–R Det
26 Q Out
25 VCC
24 Loop Filter
23 Blend
22 GND
21 Stereo Lamp
20 Osc Feedback
19 Osc In
18 Pilot Det In
17 I Pilot
16 Q Pilot
15 CMOS SS Out
(Top View)
ORDERING INFORMATION
Device
Operating
Temperature Range Package
MC13022AP
Plastic Power
MC13022ADW TA = – 40° to +85°C SO–28L
This document contains information on a new product. Specifications and information herein
arMe sOubTjeOctRtoOcLhaAngAe NwiAthLouOt nGotiIcCe. DEVICE DATA
© Motorola, Inc. 1996
Rev 1
1
1 page  
MC13022A
Figure 2. High Performance Home Type AM Stereo Receiver
From
Mute Line
Logic VCC
VCC (5.0 V)
TOKO Part No.
.001 MF292BC–1349Z
3.9 k
T1 51
To
Tuning
System
28 27 26
I L–R Q
Det Det Out
Env Decoder
Det Input Ref
1 23
25 24 23 22 21 20 19
VCC Loop Blend GND Stereo Osc Osc
Filter Lamp Feedbk In
18 17
Pilot I
Det Pilot
In
MC13022A
16 15
Q CMOS
Pilot SS Out
IF
AGC Input
45
SS
6
Left Notch
Out In FBK
789
Unfiltered
Lout Rout
10 11
Right Notch
FBK In Out
12 13 14
See
MC13025
Data Sheet
for
Alternate
Approach
Mixer
T2
450 kHz
IF
To
Signal
Strength
Meter
Tuning Line
From Synthesizer
Oscillator
TOKO Part No.
THB–122
T1 – Ceramic Resonator muRata
T1 – CSA 3.60 MGF103
T2 – Broad Resonance @ 450 kHz
T2 – Effective RP of 8.0 k to 12 k
T2 – (TOKO 7NRES–T13704)
Figure 3. Overall Selectivity of a Typical Receiver
versus Filter Control Voltage
0
–10
–20 VPin 6 = 3.5 Vdc
–30 2.5 Vdc
1.5 Vdc
–40
–50 – – Response at
– – Pins 10 and 11 Due
–60 – – to IF Selectivity
–70 – – Total Response at
– – Output Pins 7 and 14
–80
1.5 2.0
3.0 4.0 5.0 6.0 8.0 10
15 20
AUDIO FREQUENCY (kHz)
30
Figure 4. Strength Output versus Input Signal
Signal
5.0 Input
52
10 k 0.01
36
100 k
Zo = 13 k
4.0
SS Meter
0.01
3.0
2.0
1.0
3.0 10 30 100 300
SIGNAL INPUT, 10 kΩ TO PIN 5 (mVrms)
1.0 k
MOTOROLA ANALOG IC DEVICE DATA
5
5 Page | ||
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