2SA1083 , 2SA1084 , 2SA1085
集电极输出电容与
集电极 - 基极电压
集电极输出电容C
ob
(PF )
100
50
Singnal源电阻R
g
(kΩ)
I
E
= 0
F = 1 MHz的
100
30
10
3
1.0
0.3
0.1
0.03
10
0.01
–0.01 –0.03 –0.1 –0.3 –1.0 –3 –10 –30 –100
集电极电流I
C
(MA )
NF = 0.5分贝
1
2
4
6
恒噪声等值线图( 1 )
V
CE
= –6 V
F = 1千赫
20
10
5
2
1
–0.5 –1.0 –2
–5 –10 –20
–50
集电极基极电压V
CB
(V)
恒噪声等值线图( 2 )
100
Singnal源电阻R
g
(kΩ)
30
10
3
1.0
0.3
0.1
0.03
0.01
–0.01 –0.03 –0.1 –0.3 –1.0 –3 –10 –30 –100
集电极电流I
C
(MA )
NF = 0.5分贝
1 2 4 6
10
Singnal源电阻R
g
(kΩ)
V
CE
= –6 V
F = 120赫兹
100
30
10
3
1.0
0.3
0.1
0.03
恒噪声等值线图( 3 )
V
CE
= –6 V
F = 10赫兹
NF = 0.5分贝
12
4 6 10
0.01
–0.01 –0.03 –0.1 –0.3 –1.0 –3 –10 –30 –100
集电极电流I
C
(MA )
6