Answered: Find Input and output resistances of…

Find Input and output resistances of the amplifier, Find voltage gain, Draw small signal model, I O gutput voltage waveform respecting the ing if a load resistan

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

Multistage Amplifier

The multistage amplifier is generally a voltage or power amplifier. The multistage amplifier has a number of single stage amplifier that are cascaded together. Since a single stage amplifier output is not useful, they are being replaced with multistage amplifiers or multistage transistor amplifiers. The multistage amplifier are used where the gain required is high or the input signal is very small such that only a single stage amplifier cannot amplify it.

Question

For the common-emitter amplifier circuit shown below with:
R1=20KO
R2=3.6KQ
Rc=1.2KQ
RE=2200
Vcc=12V
B=50
Thermal voltage, Vt=25mV,
Transistor output resistance, ro= 100 KQ
VCC
VI
RC
Drn onpat
wwlm
0.SV
R2
RE
05 V
Find Input and output resistances of the amplifier,
Find voltage gain,
Draw small signal model, I
connecting load resistance).
What is the new voltage gain value if a load resistance of 10-0 is connected
Draw the output voltage waveform respecting the input signal shown above lwithout
MacBook Pro
RU

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