CA3028A View Datasheet(PDF) - Intersil
Part Name
Description
Manufacturer
CA3028A Datasheet PDF : 10 Pages
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CA3028A
Typical Performance Curves (Continued)
CASCODE CONFIGURATION, TA = 25oC
IC(STAGE) = 4.5mA, VCC = +9V
100
80
60
g21
40
20
0
-20
b21
-40
-60
-80
1
2 3 4 5 6 7 8 910
100
FREQUENCY (MHz)
FIGURE 24. FORWARD TRANSADMITTANCE (Y21) vs
FREQUENCY (CASCODE CONFIGURATION)
DIFFERENTIAL AMPLIFIER CONFIGURATION
TA = 25oC, VCC = +9V
30 IC OF EACH TRANSISTOR = 2.2mA
20
b21
10
0
-10
-20
g21
-30
-40
1
10
100
FREQUENCY (MHz)
FIGURE 25. FORWARD TRANSADMITTANCE (Y21) vs
FREQUENCY (DIFFERENTIAL AMPLIFIER
CONFIGURATION)
CASCODE CONFIGURATION, TA = 25oC
IC(STAGE) = 4.5mA, VCC = +9V
3
b22
2
1
0
0
-0.02
g22
-0.04
-0.06
-0.08
1
10
100
FREQUENCY (MHz)
FIGURE 26. OUTPUT ADMITTANCE (Y22) vs FREQUENCY
(CASCODE CONFIGURATION)
DIFFERENTIAL AMPLIFIER CONFIGURATION
10
TA = 25oC, CONSTANT POWER INPUT = 2µW
DIFFERENTIAL AMPLIFIER CONFIGURATION,
TA = 25oC
IC OF EACH TRANSISTOR = 2.2mA, VCC = +9V
2
0.6
0.5
0.4
0.3
0.2
0.1
0
1
b22
g22
10
FREQUENCY (MHz)
1.5
1.0
0.5
0
100
FIGURE 27. OUTPUT ADMITTANCE (Y22) vs FREQUENCY
(DIFFERENTIAL AMPLIFIER CONFIGURATION)
DIFFERENTIAL AMPLIFIER CONFIGURATION
TA = 25oC, VCC = +9V
VCC = +12V
VCC = +9V
1
10
100
FREQUENCY (MHz)
FIGURE 28. OUTPUT POWER vs FREQUENCY - 50Ω INPUT
AND 50Ω OUTPUT (DIFFERENTIAL AMPLIFIER
CONFIGURATION)
40
f = 10.7MHz
20
100MHz
0
-20
-40
9 8 7 6 54 3 2 1 0
DC BIAS VOLTAGE ON TERMINAL NO. 7 (V)
FIGURE 29. AGC CHARACTERISTICS
9
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