Q3 A common emitter BJT circuit is designed as shown in Fig. 4(a). The output load line and defined Q-point of the circuit are shown in Fig. Determine the required values of Vcc, Rc and RB. Assume that VBE .(on)=0.7 V + Vcc 12 'c(mA) 10 RC 8. -IB3 = 30 µA O-point RB 6. Ig2 = 20 µA VCE ww 4 IB1 = 10 µA VBE VBB = 10 V VcE (V) 10 15 20 25

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Q3
A common emitter BJT circuit is designed
as shown in Fig. 4(a). The output load line
and defined Q-point of the circuit are
shown in Fig. Determine the required values
of Vcc, Rc and RB. Assume that VBE
.(on)=0.7 V
+ Vcc
12 'c(mA)
10
RC
8.
-IB3 = 30 µA
O-point
RB
Ig2 = 20 µA
VCE
ww
4
IB1 = 10 µA
VBE
VBB
= 10 V
Vce (V)
10
15
20
25
Transcribed Image Text:Q3 A common emitter BJT circuit is designed as shown in Fig. 4(a). The output load line and defined Q-point of the circuit are shown in Fig. Determine the required values of Vcc, Rc and RB. Assume that VBE .(on)=0.7 V + Vcc 12 'c(mA) 10 RC 8. -IB3 = 30 µA O-point RB Ig2 = 20 µA VCE ww 4 IB1 = 10 µA VBE VBB = 10 V Vce (V) 10 15 20 25
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