1- Calculate the theoretical DC voltages and currents for the transistor bias circuit andcompare them with the practically measured values.2- Calculate the theoretical values of the voltage gain and compare them with themeasured quantities.3- What is the role of resistor RẺ₁ in the amplifier circuit? Drive two expressions for thevoltage gain with and without the existence of RE₁ and compare between them in termsof gain value and gain stability?4- If resistor R₂ is opened (or removed) in the circuit in procedure No. 1, what is itseffect on the transistor circuit? Determine the collector current Ic and the voltage VCE inthis case.5- Calculate the current gain A₁ and the input and output impedance of the amplifiercircuit in procedure No. 2.

As per protocol, allowed to answer first part and post the remaining in the next submission.

Answered: nd currents for the transistor bias…

Engineering

Electrical Engineering

nd currents for the transistor bias circuit and d values.

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

1- Calculate the theoretical DC voltages and currents for the transistor bias circuit and
compare them with the practically measured values.
2- Calculate the theoretical values of the voltage gain and compare them with the
measured quantities.
3- What is the role of resistor RẺ₁ in the amplifier circuit? Drive two expressions for the
voltage gain with and without the existence of RE₁ and compare between them in terms
of gain value and gain stability?
4- If resistor R₂ is opened (or removed) in the circuit in procedure No. 1, what is its
effect on the transistor circuit? Determine the collector current Ic and the voltage VCE in
this case.
5- Calculate the current gain A₁ and the input and output impedance of the amplifier
circuit in procedure No. 2.

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