Zowie Technology Corporation
TRANSIENT CHARACTERISTICS
100
70
50
I
C
/I
B
=10
MMBT4401
100
70
50
t
r
@ V
CC
=30V
t
r
@ V
CC
=10V
t
b
@ V
EB
=2.0V
t
d
@ V
EB
=0V
t
r
t
r
V
CC
=30 V
I
C
/I
B
=10
t, TIME ( ns )
t, TIME ( ns )
200
300
500
30
20
30
20
10
7.0
5.0
10
20
30
50
70
100
10
7.0
5.0
10
20
30
50
70
100
200
300
500
I
C
, COLLECTOR CURRENT ( mA )
I
C
, COLLECTOR CURRENT ( mA )
Figure 5. Turn-On Time
300
t
S
4 = t
S
- 1/8t
f
I
B1
= I
B2
I
C
/I
B
= 10 to 20
Figure 6. Rise and Fall Times
100
70
V
CC
=30 V
I
B1
=I
B2
t'
s
, STORAGE TIME ( ns )
200
t
f
, FALL TIME ( ns )
50
I
C
/I
B
=20
30
I
C
/I
B
=10
100
70
50
20
10
7.0
30
10
20
30
50
70
100
200
300
500
5.0
10
20
30
50
70
100
200
300
500
I
C
, COLLECTOR CURRENT ( mA )
I
C
, COLLECTOR CURRENT ( mA )
Figure 7. Storage Time
SMALL-SIGNAL CHARACTERISTICS
NOISE FIGURE
V
CE
=10 Vdc, T
A
=25 C
Bandwidth=1.0HZ
o
Figure 8. Fall Time
10
10
NF, NOISE FIGURE ( bB )
NF, NOISE FIGURE ( bB )
8.0
I
C
=1.0mA, R
S
=150
I
C
=500uA, R
S
=200
I
C
=100uA, R
S
=2.0k
I
C
=50uA, R
S
=4.0k
R
S
=OPTIMUM
SOURCE
RESISTANCE
f = 1.0 kHz
8.0
6.0
6.0
I
C
=50uA
I
C
=100uA
I
C
=500uA
I
C
=1.0mA
4.0
4.0
2.0
2.0
0
0.01 0.02 0.05 0.1 0.2
0
0.5 1.0 2.0 5.0
10
20
50
100
50
100 200
500 1.0 k 2.0 k 5.0 k10 k 20 k 50 k100 k
f, FREQUENCY (kHz)
R
S
, SOURCE RESISTANCE ( OHMS )
Figure 9.Frquency Effects
Figure 10.Source Resistance Effects
REV. : 0
Zowie Technology Corporation
ZOWIE [ ZOWIE TECHNOLOGY CORPORATION ]
