Given the BJT amplifier circuit 18V Rc 3 k2 R1 680 k2 1 µF Io Is R, B=110 Vbe=0.7V 0.6 k 1iF RL ,4.7 k2 VsA RE 0.82k2 Ro' RI' Assume: hfe=ß and hoe is approximately zero. (a) Determine IC and VCE- (b) Determine hie. (c) Determine the equivalent resistances Ri Ri', and Ro'.

Given the BJT amplifier circuit 18V Rc 3 k2 R1 680 k2 1 µF Io Is R, B=110 Vbe=0.7V 0.6 k 1iF RL ,4.7 k2 VsA RE 0.82k2 Ro' RI' Assume: hfe=ß and hoe is approximately zero. (a) Determine IC and VCE- (b) Determine hie. (c) Determine the equivalent resistances Ri Ri', and Ro'.

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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Concept explainers

Differential amplifier

There are two amplifying stages with common degeneration in a differential amplifier.

Question

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Given the BJT amplifier circuit
18V
Rc
3 k2
R1
680 k2
1 µF
Io
Is
R,
B=110
Vbe=0.7V
0.6 k 1iF
RL
,4.7 k2
VsA
RE
0.82k2
Ro'
RI'
Assume: hfe=ß and hoe is approximately zero.
(a) Determine IC and VCE-
(b) Determine hie.
(c) Determine the equivalent resistances Ri Ri', and Ro'.
(d) Determine the current gain Ais=lo/ls.
(e) Determine the voltage gai Avs=Vo/Vs.
(f) Determine Vo if Vs=200mVp-p.

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