# Modiwl IES-1005:Circuit Design

### Ffeithiau’r Modiwl

Rhedir gan School of Computer Science and Electronic Engineering

10 Credyd neu 5 Credyd ECTS

Semester 2

Trefnydd: Dr Daniel Roberts

### Amcanion cyffredinol

To provide the fundamentals of analogue circuit analysis and design based on discrete devices to prepare learners for module IES2012.

### Cynnwys cwrs

• Circuit symbols and large signal behaviour of resistors, voltage sources and current generator. • Physical explanation of the mode of operation of diodes and Transitors. I-V characteristics. Methods for biasing to operating (quiescent) point. • Large signal vs small signal resistance. Calculating the small signal resistance. Transistor configurations and their small-signal equivalent circuits. Single stage audio and buffer amplifiers, Darlington pairs, Op-amp buffer. • Half-wave rectification, full-wave rectification, bridge rectifier, ripple, Zener stabilisation, IC regulators. Introduction to switch mode power supplies. Voltage doubling - Cockroft Walton stack. RC signal conditioning and diode shaping circuits, DC restoration, clipping, diode gating circuit.

### Cyswllt Canlyniad dysgu i Meini Prawf

threshold

40%

good

60%

excellent

70%

Distinguish the I-V characteristics of resistors, constant voltage sources, constant current generators and their combinations.

Can sketch on numerically labeled axes the I-V characteristics of combinations of the elements. Can sketch the I-V characteristics of the various circuit elements. Can relate these models to the circuit behaviour of diodes and transistors.

Understand the large signal behavior of a Diodes and Transistors.

Can explain the physics underlying the operation of diodes and transistors. Able to analyse bias circuits and can determine currents and voltages in various parts of the circuit. Understands some of the limitations of PSPICE Can use a load line to determine operating conditions. Can identify the various methods for biasing transistors and can sketch the relevant circuits. Can use PSPICE to simulate circuit operation. Can undertake numerical calculations relating to diode and transistor circuits. With guidance can design bias circuits taking note of resistor tolerances. Can discuss the pros and cons of the different biasing arrangements

Understand the small signal behavior of Diodes and Transistors

Knows that re = 25/I(mA) Can draw a simple equivalent circuit for a transistor . Can sketch circuit diagrams for single stage audio and buffer amplifiers. Can calculate re from data provided., Can analyse the operation of a single stage amplifier by drawing its equivalent circuit Can draw a more complex transistor equivalent circuit. With guidance can design a single stage audio or buffer amplifier. Can explain the benefits of using a Darlington pair.

Know about the applications of diodes.

Can draw circuit diagrams for each application. Can sketch the output signal from RC circuits of different time constants and diode shaping circuits Can explain the circuit operation and analyse the relevant analogue circuits. Can calculate the output signals from RC circuits and diode shaping circuits. With guidance can design circuits and discuss trade-offs, limitations etc in practical circuits.

### Dulliau asesu

Oriau
Private study 64
Lecture

2 x 1 hour lecture per week over 12 weeks

24
Tutorial

1 hour Tutorial every week over 12 weeks

12

• Rhifedd - Medrusrwydd wrth ddefnyddio rhifau ar lefelau priodol o gywirdeb
• Hunanreolaeth - Gallu gweithio mewn ffordd effeithlon, prydlon a threfnus. Gallu edrych ar ganlyniadau tasgau a digwyddiadau, a barnu lefelau o ansawdd a phwysigrwydd
• Archwilio - Gallu ymchwilio ac ystyried dewisiadau eraill
• Adalw gwybodaeth - Gallu mynd at wahanol ac amrywiol ffynonellau gwybodaeth
• Dadl - Gallu cyflwyno, trafod a chyfiawnhau barn neu lwybr gweithredu, naill ai gydag unigolyn neu mewn grwˆp ehangach

### Sgiliau pwnc penodol

• Apply underpinning concepts and ideas of engineering;
• Apply knowledge and understanding of the specialist cognate area of electronic engineering in an international context;
• Assess and choose optimal methods and approaches for the specification, design, implementation and evaluation of engineering solutions, especially ones that include embedded microprocessors
• Formulate and analyse requirements and practical constraints of products, processes and services, place them in an engineering context and manage their implementation;
• Solve problems logically and systematically;
• Assess and choose optimal methods and approaches for the specification, design, implementation and evaluation of engineering solutions.
• Systematically review factors affecting the implementation of a project, including safety and sustainability;
• Appreciate the importance of designing products with due regard to good laboratory practice, health and safety considerations and ethical issues.
• Use both verbal and written communication skills to different target audiences;
• Demonstrate familiarity with relevant subject specific and general computer software packages.

#### Rhestr ddarllen

Introduction to Analogue Electronics - Bryan Hart;

Electronics: circuits and Systems - Owen Bishop;

Microelectronics - Jacob Millman & Arvin Grabel;

Electrical Circuit Theory and Technology - John Bird;

Electronics Fundamentals: Circuits, Devices and Applications - Thomas L. Floyd.