2SA1084 , 2SA1085
基地发射极饱和电压
与集电极电流
I
C
= 10 I
B
增益带宽积主场迎战
集电极电流
增益带宽乘积F
T
(兆赫)
基地发射极饱和电压
V
BE ( SAT )
(V)
–10
–5
2,000
V
CE
= –12 V
1,000
500
–2
–1.0
–0.5
200
100
50
–0.2
–0.1
–1
–2
–5
–10
–20
–50 –100
20
–1
–2
–5
–10 –20
–50 –100
集电极电流I
C
(MA )
集电极输出电容与
集电极 - 基极电压
集电极电流I
C
(MA )
恒噪声等值线图( 1 )
集电极输出电容C
ob
(PF )
Singnal源电阻R
g
(kΩ)
100
50
I
E
= 0
F = 1 MHz的
100
30
10
3
1.0
0.3
0.1
0.03
NF = 0.5分贝
V
CE
= –6 V
F = 1千赫
20
10
5
1
2
4
6
2
1
–0.5 –1.0
–2
–5
–10
–20
–50
10
0.01
–0.01 –0.03 –0.1 –0.3 –1.0 –3 –10 –30 –100
集电极基极电压V
CB
(V)
集电极电流I
C
(MA )
恒噪声等值线图( 2 )
恒噪声等值线图( 3 )
Singnal源电阻R
g
(kΩ)
30
10
3
1.0
0.3
0.1
0.03
NF = 0.5分贝
V
CE
= –6 V
F = 120赫兹
Singnal源电阻R
g
(kΩ)
100
100
30
10
3
1.0
0.3
0.1
0.03
1
2
NF = 0.5分贝
V
CE
= –6 V
F = 10赫兹
4 6 10
1 2 4 6
10
0.01
–0.01 –0.03 –0.1 –0.3 –1.0 –3 –10 –30 –100
0.01
–0.01 –0.03 –0.1 –0.3 –1.0 –3 –10 –30 –100
集电极电流I
C
(MA )
集电极电流I
C
(MA )
Rev.3.00 2005年8月10日第4