MC1496D Просмотр технического описания (PDF) - Motorola => Freescale
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MC1496D Datasheet PDF : 12 Pages
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MC1496, B
TYPICAL CHARACTERISTICS (continued)
Typical characteristics were obtained with circuit shown in Figure 5, fC = 500 kHz (sine wave),
VC = 60 mVrms, fS = 1.0 kHz, VS = 300 mVrms, TA = 25°C, unless otherwise noted.
Figure 15. Sideband and Signal Port
Transadmittances versus Frequency
Signal Port
Side Band
Sideband Transadmittance
+ + g21
Iout (Each Sideband)
Vin (Signal)
Vout
0
Signal Port Transadmittance
+ + + g21
Iout
Vin
Vout
0 |VC|
0.5 Vdc
1.0
10
100
1000
fC, CARRIER FREQUENCY (MHz)
Figure 16. Carrier Suppression
versus Temperature
0
10
20
30
MC1496
(70°C)
40
50
60
70
–75 –50 –25
0 25 50 75 100 125 150 175
TA, AMBIENT TEMPERATURE
(°C)
Figure 17. Signal–Port Frequency Response
20
RL = 3.9 k
Re = 500 Ω
10
0
RL = 3.9 k (Standard
Re = 1.0 k Test Circuit) RL = 3.9 k
Re = 2.0 k
– 10
RL = 500 Ω
|VC| = 0.5 Vdc
Re = 1.0 k
– 20
– 30
+ ) AV
RL
Re 2re
0.01
0.1
1.0
10
100
f, FREQUENCY (MHz)
Figure 18. Carrier Suppression
versus Frequency
0
10
20
30
2fC
40
50
fC
60
3fC
70
0.05 0.1
0.5 1.0
5.0 10
50
fC, CARRIER FREQUENCY (MHz)
Figure 19. Carrier Feedthrough
versus Frequency
10
1.0
0.1
0.01
0.05 0.1
0.5 1.0
5.0 10
50
fC, CARRIER FREQUENCY (MHz)
Figure 20. Sideband Harmonic Suppression
versus Input Signal Level
0
10
20
30
40
fC ± 3fS
50
60
fC ± 2fS
70
80
0
200
400
600
800
VS, INPUT SIGNAL AMPLITUDE (mVrms)
6
MOTOROLA ANALOG IC DEVICE DATA
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