4
Transistor Operation
•
Amplifier
–
B-E
junction forward biased
•
V
BE
≈
0.7
V for Si
–
C-B
junction reverse biased
–
KCL: I
E
= I
C
+ I
B
C
B
E
I
B
I
E
I
C
C
B
E
I
B
I
E
I
C
