Electronic Devices - Bipolar Junction Transistors - Discussion
Discussion Forum : Bipolar Junction Transistors - General Questions (Q.No. 16)
16.
In this circuit 
DC = 100 and VIN = 8 V. The value of RB that will produce saturation is:
DC = 100 and VIN = 8 V. The value of RB that will produce saturation is:
92 k
9.1 M
100 k
150 k
Discussion:
11 comments Page 2 of 2.
Naga said:
1 decade ago
vbb=vbe+ib*rb
vbb=8; vbe=0.7
ib=ic/beta
beta=100
ic=vcc/rc
ib=(20/2500)/100
ib=0.08ma
rb=(vbb-vbe)/ib
(8-0.7)/0.08=91.25kohms
vbb=8; vbe=0.7
ib=ic/beta
beta=100
ic=vcc/rc
ib=(20/2500)/100
ib=0.08ma
rb=(vbb-vbe)/ib
(8-0.7)/0.08=91.25kohms
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