2SC1775, 2SC1775A
Gain Bandwidth Product vs.
Collector Current
Gain Bandwidth Product f
T
(MHz)
1,000
300
V
CE
= 12 V
100
30
10
0.01
0.03
0.1
0.3
1.0
3
10
30
Collector Current I
C
(mA)
Collector Output Capacitance vs.
Collector to Base Voltage
Collector Output Capacitance C
ob
(pF)
50
Signal Source Resistance R
g
(kΩ)
20
10
5
Contours of Constant Noise Figure
100
30
10
3
1.0
0.3
I
E
= 0
f = 1 MHz
V
CE
= 6 V
f = 10 Hz
NF = 1 dB
2
4
6
8
0.3
1.0
3
10
2
1.0
0.5
1
2
5
10 20
50 100
Collector to Base Voltage V
CB
(V)
10
0.1
0.01 0.03 0.1
Collector Current I
C
(mA)
4