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Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Problem 3:
Draw the small signal equivalent circuits of the circuits shown below:
(a)
(b)
(c)
R₁
+5² 10-11
+ O
+
+Vcc
RB
C₁
fin
+Vcc
Rc-
RE
H
C₂
+VCC
DCV
Vo
RFC
+Vcc
C₂
RE
-V cc
RL
RL
Transcribed Image Text:Problem 3: Draw the small signal equivalent circuits of the circuits shown below: (a) (b) (c) R₁ +5² 10-11 + O + +Vcc RB C₁ fin +Vcc Rc- RE H C₂ +VCC DCV Vo RFC +Vcc C₂ RE -V cc RL RL
Soln
@ equivalent circuit for BJT
K₁₁ =
Rs
w
ERB
re
E
make capacitor short circuit & DC Supply as
grounded, inductor as open circuit.
small signal equiralent circuit
No
Bib
RE
RB
$RC
is
B
Bi
Rs
small signal equivalent, chorent courie
will be olc.
re
R₂
(re= VE )
No
inductor will
16
с
+ Bib
re
re
SRL
Bib
be olc !
RE
RL
Transcribed Image Text:Soln @ equivalent circuit for BJT K₁₁ = Rs w ERB re E make capacitor short circuit & DC Supply as grounded, inductor as open circuit. small signal equiralent circuit No Bib RE RB $RC is B Bi Rs small signal equivalent, chorent courie will be olc. re R₂ (re= VE ) No inductor will 16 с + Bib re re SRL Bib be olc ! RE RL
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