CA3028A Просмотр технического описания (PDF) - Intersil
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CA3028A Datasheet PDF : 10 Pages
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CA3028A
Typical Performance Curves (Continued)
DIFFERENTIAL AMPLIFIER CONFIGURATION
TA = 25oC, f = 100MHz
9
8
7
6
5
9
10
11
12
DC COLLECTOR SUPPLY VOLTAGE (V)
FIGURE 18. 100MHz NOISE FIGURE vs COLLECTOR SUPPLY
VOLTAGE (DIFFERENTIAL AMPLIFIER
CONFIGURATION)
CASCODE CONFIGURATION, TA = 25oC
IC(STAGE) = 4.5mA, VCC = +9V
7
6
5
4
b11
3
2
g11
1
0
1
10
100
FREQUENCY (MHz)
FIGURE 20. INPUT ADMITTANCE (Y11) vs FREQUENCY
(CASCODE CONFIGURATION)
CASCODE CONFIGURATION, TA = 25oC
IC(STAGE) = 4.5mA, VCC = +9V
20
15
10
5
g12
0
-5
b12
-10
-15
-20
1
10
100
FREQUENCY (MHz)
FIGURE 22. REVERSE TRANSADMITTANCE (Y12) vs
FREQUENCY (CASCODE CONFIGURATION)
8
DIFFERENTIAL AMPLIFIER CONFIGURATION
TA = 25oC, VCC = +9V, f = 100MHz
20
POWER GAIN
15
10
NOISE FIGURE
5
0
9
8
7
6
5
4
3
2
POSITIVE DC BIAS VOLTAGE (V)
FIGURE 19. 100MHz NOISE FIGURE AND POWER GAIN vs
BASE-TO-EMITTER BIAS VOLTAGE (TERMINAL 7)
DIFFERENTIAL AMPLIFIER CONFIGURATION
TA = 25oC, VCC = +9V
3 IC OF EACH TRANSISTOR = 2.2mA
2
b11
1
g11
0
1
10
100
FREQUENCY (MHz)
FIGURE 21. INPUT ADMITTANCE (Y11) vs FREQUENCY
(DIFFERENTIAL AMPLIFIER CONFIGURATION)
DIFFERENTIAL AMPLIFIER CONFIGURATION
TA = 25oC, VCC = +9V
0.3 IC OF EACH TRANSISTOR = 2.2mA
0.2
g12
0.1
0
-0.1
b12
-0.2
-0.3
10
20 30 40 50 60 80 100
FREQUENCY (MHz)
200 300
FIGURE 23. REVERSE TRANSADMITTANCE (Y12) vs
FREQUENCY (DIFFERENTIAL AMPLIFIER
CONFIGURATION)
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