Study-Unit Description

Study-Unit Description


CODE ESE2203

 
TITLE Electronic Feedback Circuits

 
UM LEVEL 02 - Years 2, 3 in Modular Undergraduate Course

 
ECTS CREDITS 5

 
DEPARTMENT Electronic Systems Engineering

 
DESCRIPTION 1) Frequency Response: Frequency response of the BJT and FET. Frequency response of transistor amplifier circuits – single stage transistor amplifier configurations. Performance analysis and design. Effects of multi-stage circuits on performance. Op-amp frequency response and modelling.
2) Feedback: Use of classical control theory for the analysis of the different types of amplifiers. Effects of non-ideal characteristics on system performance with single stage transistor amplifier circuits. Effects of multiple stages on stability. Op-amp circuit stability considerations.
3) Resonance and Sinusoidal oscillation: LC and LCR resonant circuits. Q-Factor and Bandwidth. Piezoelectric crystals.
4) Sinusoidal oscillators: The Barkhaussen criterion, Oscillation, Designing for exact marginal stability. Different topologies of Oscillators – LC and RC oscillators such as Colpitts, Hartley, Phase-Shift, Wien-Bridge.

Laboratory work:

1) Design and test the frequency response of a single stage amplifier circuits.
2) Assessment of feedback effects on single stage transistor and op-amp circuits.
3) Design, simulate, build and test various types of sinusoidal oscillators.

Study-unit Aims:

This study-unit aims to:
- address frequency response considerations in the analysis and design of transistor amplifier circuits and operational amplifier circuit design;
- address feedback using classical control theory applied to electronic circuit theory and presents the effects of non-ideal conditions on performance;
- describe the conditions governing oscillation and explain the operation of various sinusoidal oscillator circuit topologies;
- provide an introduction to active filters.

Learning Outcomes:

1. Knowledge & Understanding:

By the end of the study-unit the student will be able to:
- Analyse and design transistor amplifier circuits with defined frequency performance characteristics;
- Consider the performance limitations of the operational amplifier in circuit design;
- Describe the four basic feedback techniques used in electronic circuits and use feedback techniques to design and analyse electronic circuits;
- Explain and analyse op-amp the effect of op-amp limitations on circuit performance;
- Analyse and design oscillator and filter circuits.

2. Skills:

By the end of the study-unit the student will be able to:
- Build and test transistor amplifier circuits with considerations to frequency response, feedback and stability;
- Build and test sinusoidal oscillator circuits.
- Build and test a basic active filter circuit.

Main Text/s and any supplementary readings:

- Floyd, T. , Electronic Devices. Prentice Hall.
- Sedra, A. and Smith, K. Microelectronic Circuits. Oxford University Press.
- Horrowitz, P. and Hill, W., The Art of Electronics. Cambridge University Press.

 
ADDITIONAL NOTES Pre-requisite Study-unit: ESE1201

Please note that a pass in the Examination component is obligatory for an overall pass mark to be awarded.

 
STUDY-UNIT TYPE Lectures, Practical and Tutorials

 
METHOD OF ASSESSMENT
Assessment Component/s Assessment Due Sept. Asst Session Weighting
Practical SEM2 No 25%
Examination [See Add. Notes] (2 Hours) SEM2 Yes 75%

 
LECTURER/S David Zammit Mangion

 

 
The University makes every effort to ensure that the published Courses Plans, Programmes of Study and Study-Unit information are complete and up-to-date at the time of publication. The University reserves the right to make changes in case errors are detected after publication.
The availability of optional units may be subject to timetabling constraints.
Units not attracting a sufficient number of registrations may be withdrawn without notice.
It should be noted that all the information in the description above applies to study-units available during the academic year 2023/4. It may be subject to change in subsequent years.

https://www.um.edu.mt/course/studyunit