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PDF MC12002 Data sheet ( Hoja de datos )
| Número de pieza | MC12002 | |
| Descripción | ANALOG MIXER | |
| Fabricantes | Motorola Semiconductors | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MC12002 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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Analog Mixer
The MC12002 is a double balanced analog mixer, including an input
amplifier feeding the mixer carrier port and a temperature compensated bias
regulator. The input circuits for both the amplifier and mixer are differential
amplifier circuits. The on-chip regulator provides all of the required biasing.
This circuit is designed for use as a balanced mixer in high-frequency
wide-band circuits. Other typical applications include suppressed carrier and
amplitude modulation, synchronous AM detection, FM detection, phase
detection, and frequency doubling, at frequencies up to UHF.
Order this document by MC12002/D
MC12002
ANALOG MIXER
SEMICONDUCTOR
TECHNICAL DATA
14
1
P SUFFIX
PLASTIC PACKAGE
CASE 646
PIN CONNECTIONS
Local
Oscillator
Inputs
Signal
Inputs
Figure 1. Logic Diagram
2
Amplifier
3
VB VR
8
9
Carrier
Port
Mixer
Signal
Port
VR VB
12
11
Output
Bias
Regulator
Regulator
Bypass
Local Oscillator
Input
Local Oscillator
Input
Alternate Signal
Input
1
2
3
4
14 VCC
13 Resistor Load
12 Data Output
11 Data Output
Null Adjust 5
Null Adjust 6
10 Regulator
Bypass
9 Mixer Signal
Input
VEE 7
8 Mixer Signal
Input
(Top View)
ORDERING INFORMATION
Device
Operating
Temperature Range
Package
MC12002P TA = –30° to +85°C
Plastic
© Motorola, Inc. 1997
Rev 5
1 page  
MC12002
Figure 5. Carrier Feedthrough versus Frequency
(Test 1)
5.0
Figure 6. Carrier Feedthrough versus Frequency
(Test 2)
5.0
4.0 4.0
3.0 3.0
2.0 2.0
1.0 1.0
0.0
0.1
1.0 10.0
fc, CARRIER FREQUENCY (MHz)
100.0
0.0
0.1
1.0 10.0
fc, CARRIER FREQUENCY (MHz)
100.0
Figure 7. Carrier Suppression Test Circuit
Hewlett Packard 3406A
Sampling Voltmeter
0.1 µf
Hewlett
Packard
TEE 11536A
50
1.0 µf
Hewlett Packard
651A and 3300B
100 kHz to 400 MHz
@ 30 mV RMS.
Hewlett Packard
651A 10 kHz
@ 150 mV R.M.S.
0.1 µf
1.0µf
2
Local Oscillator
3 Inputs
8
Mixer
9 Inputs
Reg.
Bypass
VEE
Null
Adjust
1 10 7 5 6
1.0 µf
1.0 µf
–
– 5.0 V
50
Outputs
VCC
14
12
11
+
– 5.0 V
Notes:
Test 1 – Adjust potentiometer for carrier null @ fc = 100 kHz
Test 2 – Connect pins 5 and 6 to –5.0 volts
Test 3 – Adjust potentiometer for carrier null @ 25° C
50
50
X 50
Atten.
50
50
All input and output
cables to the scope are
equal lengths of 50-ohm
coaxial cable.
Figure 8. Carrier Suppression versus Frequency
(Test 1)
+40
+30
+20
+10
0
–10
–20
–30
–40
–50
–60
0.1
1.0 10.0 100.0
fc, CARRIER FREQUENCY (MHz)
1.0 K
Figure 9. Carrier Suppression versus Frequency
(Test 2)
+40
+30
+20
+10
0
–10
–20
–30
–40
–50
–60
0.1
1.0 10.0 100.0
fc, CARRIER FREQUENCY (MHz)
1.0 K
MOTOROLA RF/IF DEVICE DATA
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet MC12002.PDF ] | |
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