CA3028A, CA3028B, CA3053
Typical Performance Curves (Continued)
o
CASCODE CONFIGURATION, T = 25 C
DIFFERENTIAL AMPLIFIER CONFIGURATION
o
A
I
= 4.5mA, V = +9V
T
= 25 C, V
= +9V
C(STAGE)
CC
A
CC
3
2
1
0
I
OF EACH TRANSISTOR = 2.2mA
C
30
20
b
g
22
b
21
10
0
0
-0.02
-0.04
-0.06
-0.08
22
-10
-20
-30
-40
g
21
1
10
FREQUENCY (MHz)
100
1
10
FREQUENCY (MHz)
100
FIGURE 32. FORWARD TRANSADMITTANCE (Y ) vs
21
FIGURE 33. OUTPUT ADMITTANCE (Y ) vs FREQUENCY
22
FREQUENCY (DIFFERENTIAL AMPLIFIER
(CASCODE CONFIGURATION)
CONFIGURATION)
DIFFERENTIAL AMPLIFIER CONFIGURATION,
o
DIFFERENTIAL AMPLIFIER CONFIGURATION
o
10
T
= 25 C, CONSTANT POWER INPUT = 2µW
T
= 25 C
A
A
I
OF EACH TRANSISTOR = 2.2mA, V
= +9V
C
CC
2
V
= +12V
CC
1.5
1.0
0.5
0.6
0.5
0.4
0.3
0.2
0.1
0
b
22
V
= +9V
CC
g
22
0
100
1
1
10
10
100
FREQUENCY (MHz)
FREQUENCY (MHz)
FIGURE 34. OUTPUT ADMITTANCE (Y ) vs FREQUENCY
22
FIGURE 35. OUTPUT POWER vs FREQUENCY - 50Ω INPUT
AND 50Ω OUTPUT (DIFFERENTIAL AMPLIFIER
CONFIGURATION) FOR CA3028A AND CA3028B
(DIFFERENTIAL AMPLIFIER CONFIGURATION)
CASCODE CONFIGURATION
o
DIFFERENTIAL AMPLIFIER CONFIGURATION
o
T
= 25 C, f = 10.7MHz
A
T
= 25 C, V
= +9V
A
CC
5
4
3
2
1
0
40
V
= +12V
CC
f = 10.7MHz
V
= +9V
CC
20
0
100MHz
-20
-40
9
8
7
6
5
4
3
2
1
0
0
0.05
0.1
0.15
DC BIAS VOLTAGE ON TERMINAL NO. 7 (V)
INPUT VOLTAGE (V)
FIGURE 36. AGC CHARACTERISTICS FOR CA3028A AND
CA3028B
FIGURE 37. TRANSFER CHARACTERISTICS (CASCODE
CONFIGURATION)
7-16
HARRIS [ HARRIS CORPORATION ]
