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PDF MC13030 Data sheet ( Hoja de datos )
| Número de pieza | MC13030 | |
| Descripción | DUAL CONVERSION AM RECEIVER | |
| Fabricantes | Motorola Semiconductors | |
| Logotipo |  |
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MC13030
Advance Information
Dual Conversion
AM Receiver
The MC13030 is a dual conversion AM receiver designed for car radio
applications. It includes a high dynamic range first mixer, local oscillator,
second mixer and second oscillator, and a high gain AGC’d IF and
detector. Also included is a signal strength output, two delayed RF AGC
outputs for a cascode FET/bipolar RF amplifier and diode attenuator, a
buffered IF output stage and a first local oscillator output buffer for driving
a synthesizer. Frequency range of the first mixer and oscillator is 100 kHz
to 50 MHz.
Applications include single band and multi–band car radio receivers, and
shortwave receivers.
• Operation from 7.5 to 9.0 Vdc
• First Mixer, 3rd Order Intercept = 20 dBm
• Buffered First Oscillator Output
• Second Mixer, 3rd Order Intercept = +5.0 dBm
• No Internal Beats Between 1st and 2nd Oscillator Harmonics
• Signal Strength Output
• Limited 2nd IF Output for Frequency Counter Station Detector
• Adjustable IF Output Station Detector Level
• Adjustable RF AGC Threshold for Both Mixer Inputs
• Two Delayed AGC Outputs for Cascode RF Stage and Diode Attenuator
Representative Block Diagram
28 27 26 25 24 23 22 21 20 19 18 17 16 15
5.1 V 6.5 V
Mix1
Mix2
XTal
Osc
4.1 V
VCO
6.6 mA
3.0 mA
IF Amp
AGC
VCC
1 2 3 4 5 6 7 8 9 10 11 12 13 14
This device contains 335 active transistors.
DUAL CONVERSION
AM RECEIVER
SEMICONDUCTOR
TECHNICAL DATA
28
1
DW SUFFIX
PLASTIC PACKAGE
CASE 751F
PIN CONNECTIONS
1 Mix1 In
VCO Out 28
2 Mix1 In
VCO 27
3 RF Gnd
VCO Ref 26
4 FET RF AGC Mix1 Out 25
5 RF AGC2
Mix1 Out 24
6 RF AGC Adj
Vref 23
7 Mix1 RF AGC Adj Mix2 In 22
8 SD Level
Mix2 Out 21
9 IF Gnd
Mix2 Out 20
10 SD IF Out
11 S Level Out
Xtal Osc E 19
Xtal Osc B 18
12 IF AGC In
IF In 17
13 AF Out
14 VCC
Det Vref 16
Det In 15
(Top View)
ORDERING INFORMATION
Device
Operating
Temperature Range Package
MC13030DW TA = –40° to +85°C SOIC–28
MOTOROLA ANALOG IC DEVICE DATA
© Motorola, Inc. 1996
Rev 1
1
1 page  
MC13030
Pin 6 Current versus Mixer1 and Mixer2 Input Level:
The internal resistance from Pin 6 to ground is 39 k.
The RF AGC voltage on Pin 4 is 2.0 V when the voltage on
Pin 6 is 1.2 V. Therefore, the desired AGC thresholds for
either mixer can be set with these curves. The design steps
are described in the design notes.
Figure 6. Pin 6 Current versus Mixer1 Input Level
250
200
150
100
50
0
90 100 110 120
MIXER1 INPUT LEVEL (dBµV)
Figure 7. Pin 6 Current versus Mixer2 Input Level
250
200
150
100
50
0
80 90 100 110 120
MIXER2 INPUT LEVEL (dBµV)
Mixer1 AGC Gain Increase versus R7:
Adding a resistor from Pin 7 to ground increases the AGC
sensitivity of Mixer1. The range of increase in dB can be
found from this curve. This is useful after setting up the AGC
threshold of Mixer2.
Figure 8. Mixer1 AGC Gain Increase versus R7
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0
100 1.0 k
10 k
R7
Pin 5 Current versus Pin 4 Voltage:
All the curves give Pin 4 AGC voltage versus some other
input level. This curve can be used to determine the auxiliary
AGC current from Pin 5 at a given Pin 4 voltage.
Figure 9. Pin 5 Current versus Pin 4 Voltage
5.0
4.0
3.0
2.0
1.0
0
0 0.4 0.8 1.2
PIN 5 CURRENT (mA)
MOTOROLA ANALOG IC DEVICE DATA
5
5 Page 
Figure 10.
MC13030
MOTOROLA ANALOG IC DEVICE DATA
11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet MC13030.PDF ] | |
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