7
FIGURE 16. INPUT ADMITTANCE (Y11)
FIGURE 17. OUTPUT ADMITTANCE (Y22) vs FREQUENCY
FIGURE 18. REVERSE TRANSFER ADMITTANCE (Y12) vs
FREQUENCY
FIGURE 19. FORWARD TRANSFER ADMITTANCE (Y21) vs
FREQUENCY
FIGURE 20. INPUT ADMITTANCE (Y11) vs FREQUENCY
FIGURE 21. OUTPUT ADMITTANCE (Y22) vs FREQUENCY
Typical Performance Curves (Continued)
5
4
3
2
1
0
0.1
1
10
100
FREQUENCY (MHz)
INP
U
T
SUS
C
E
P
T
ANCE
OR
CONDUCT
ANCE
(m
S
)
DIFFERENTIAL CONFIGURATION
VCB = 3V
IC (EACH TRANSISTOR) 1.25mA
TA = 25°C
b11
g11
0.1
1
10
100
FREQUENCY (MHz)
b22
g22
0.5
0.4
0.3
0.2
0.1
0
OUT
P
UT
CONDUCT
ANCE
(mS)
DIFFERENTIAL CONFIGURATION
VCB = 3V
IC (EACH TRANSISTOR) 1.25mA
TA = 25°C
OUTPUT
S
U
S
C
EPT
A
NCE
(mS)
0
1
2
3
10
1
0.1
0.01
0.001
0.0001
REV
E
RSE
TRANSFER
CONDU
CT
AN
CE
(
m
S)
0.1
1
10
100
1000
100
10
1
0.1
0.01
REVE
R
S
E
TR
ANS
F
E
R
S
U
S
C
EPT
A
NCE
(
S)
FREQUENCY (MHz)
-g12
b12
g12
DIFFERENTIAL CONFIGURATION
IC (EACH TRANSISTOR) 1.25mA
TA = 25°C
VCB = 3V
80
60
40
20
0
-20
-40
0.1
1
10
100
FOR
W
ARD
T
RANSFE
R
CONDUCT
ANCE
OR
SUS
C
EPT
ANCE
(mS)
CASCODE CONFIGURATION
VCB = 3V
IC (STAGE) 2.5mA
TA = 25°C
200
FREQUENCY (MHz)
g21
b21
0.1
1
10
100 200
FREQUENCY (MHz)
b11
6
5
4
3
2
1
0
INP
U
T
CONDUCT
ANCE
OR
SUSCEP
T
ANCE
(m
S
)
g11
CASCODE CONFIGURATION
VCB = 3V
IC (STAGE) 2.5mA
TA = 25°C
0
-2
-4
-6
-8
-10
-12
OUT
P
UT
CONDUCT
ANCE
(mS
x
1
0
-4
)
0.1
10
1100
FREQUENCY (MHz)
g22
b22
2
1
0
OUT
P
UT
SUS
C
EPT
ANCE
(mS)
CASCODE CONFIGURATION
VCB = 3V
IC (STAGE) 2.5mA
TA = 25°C
CA3054