a. Plot the load line and Q-point of the transistor in Figure 5.4 b. At the operating point of the bi-junction transistor Find the voltage VCEQ and current ICQ.

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RB
100kΩ
Vcc=15V
IB
Rc
3ΚΩ
+
BE
В = 100
+
VCE
Fixed bias circuit of bi-junction transistors
(mA)
8
7
6
5
4
3
2
1
0
5
1
10
a. Plot the load line and Q-point of the transistor in Figure 5.4
1
15
la = 400 μA
lg = 350 μA
la = 300 μA
lg = 250 μα
I = 200 μα
L
20
lg = 150 ΜΑ
- lg = 100 μα
= 50 μA
lg = Ο ΜΑ
Figure 5.4 Characteristics graph of a bi-junction transistor.
Vam
b. At the operating point of the bi-junction transistor Find the voltage VCEQ and current ICQ.
Transcribed Image Text:RB 100kΩ Vcc=15V IB Rc 3ΚΩ + BE В = 100 + VCE Fixed bias circuit of bi-junction transistors (mA) 8 7 6 5 4 3 2 1 0 5 1 10 a. Plot the load line and Q-point of the transistor in Figure 5.4 1 15 la = 400 μA lg = 350 μA la = 300 μA lg = 250 μα I = 200 μα L 20 lg = 150 ΜΑ - lg = 100 μα = 50 μA lg = Ο ΜΑ Figure 5.4 Characteristics graph of a bi-junction transistor. Vam b. At the operating point of the bi-junction transistor Find the voltage VCEQ and current ICQ.
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