7/26/2019 Lecture2-TransistorBasics

1/17

Analogue and Digital Electronics II

:

/

7/26/2019 Lecture2-TransistorBasics

2/17

.

.

.

(

)

( - )

7/26/2019 Lecture2-TransistorBasics

3/17

7/26/2019 Lecture2-TransistorBasics

4/17

7/26/2019 Lecture2-TransistorBasics

5/17

CE

C

CC

7/26/2019 Lecture2-TransistorBasics

6/17

7/26/2019 Lecture2-TransistorBasics

7/17

( CE)

7/26/2019 Lecture2-TransistorBasics

8/17

7/26/2019 Lecture2-TransistorBasics

9/17

DC

(CE )

7/26/2019 Lecture2-TransistorBasics

10/17

7/26/2019 Lecture2-TransistorBasics

11/17

7/26/2019 Lecture2-TransistorBasics

12/17

7/26/2019 Lecture2-TransistorBasics

13/17

Q-point has shifted

substantially.

Q-point is not stabilized

against variation for .

7/26/2019 Lecture2-TransistorBasics

14/17

( )

7/26/2019 Lecture2-TransistorBasics

15/17

Diffusion resistance

Transconductance

Current gain

Output resistance

7/26/2019 Lecture2-TransistorBasics

16/17

DC

,

(

;)

( Thevenin, Norton,

)

7/26/2019 Lecture2-TransistorBasics

17/17

DC

CE DC