5
FN662.5
June 5, 2006
FIGURE 6. GAIN-BANDWIDTH PRODUCT vs COLLECTOR
CURRENT
FIGURE 7. BASE-TO-EMITTER VOLTAGE vs COLLECTOR
CURRENT
FIGURE 8A. CAPACITANCE vs BIAS VOLTAGE FOR Q
2
FIGURE 8B. TYPICAL CAPACITANCE VALUES AT f = 1MHz.
THREE TERMINAL MEASUREMENT. GUARD ALL
TERMINALS EXCEPT THOSE UNDER TEST.
Typical Performance Curves (Continued)
T
A
= 25°C
V
CE
= 6V
GAIN-BANDWIDTH PRODUCT (GHz)
1.2
1.1
1.0
0.9
0.8
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COLLECTOR CURRENT (mA)
0
BASE-TO-EMITTER VOLTAGE (V)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.1
COLLECTOR CURRENT (mA)
110
T
A
= 25°C
T
A
= -55°C
T
A
= 125°C
CAPACITANCE (pF)
BIAS VOLTAGE (V)
2.25
1.25
1.00
0.75
0.50
0.25
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C
CB
C
CI
C
EB
T
A
= 25°C
f = 1MHz
1.50
1.75
2.00
CAPACITANCE (pF)
C
CB
C
CE
C
EB
C
CI
TRAN-
SISTOR
PKG TOTAL PKG TOTAL PKG TOTAL PKG TOTAL
BIAS
(V)
-6V-6V-4V-6V
Q
1
0.025 0.190 0.090 0.125 0.365 0.610 0.475 1.65
Q
2
0.015 0.170 0.225 0.265 0.130 0.360 0.085 1.35
Q
3
0.040 0.200 0.215 0.240 0.360 0.625 0.210 1.40
Q
4
0.040 0.190 0.225 0.270 0.365 0.610 0.085 1.25
Q
5
0.010 0.165 0.095 0.115 0.140 0.365 0.090 1.35
CA3127CA3127