Electronic Devices - Transistor Bias Circuits - Discussion
Discussion Forum : Transistor Bias Circuits - General Questions (Q.No. 11)
11.
What is the Q-point for a fixed-bias transistor with IB = 75 
A, 
DC = 100, VCC = 20 V, and RC = 1.5 k
?
A, DC = 100, VCC = 20 V, and RC = 1.5 k?Discussion:
2 comments Page 1 of 1.
Vivek said:
5 years ago
If vbe is given in place of ib then what will the formula?
Please, anyone, tell me.
Please, anyone, tell me.
PRAVEEN SAGAR said:
1 decade ago
VCE=Vcc-IcRc (.'.VCE=Vc, Beta=Ic/Ib => Ic=Beta*Ib)
.'.Vc=Vcc-Beta*Ib*Rc
=20-100x75x10^(-6)x1.5x10^(-3)
=8.75V
.'.Vc=Vcc-Beta*Ib*Rc
=20-100x75x10^(-6)x1.5x10^(-3)
=8.75V
(1)
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