CE336-6-SP-CO:
Audio Electronic Systems and Design
PLEASE NOTE: This module is inactive. Visit the Module Directory to view modules and variants offered during the current academic year.
2023/24
Computer Science and Electronic Engineering (School of)
Colchester Campus
Spring
Undergraduate: Level 6
Inactive
Monday 15 January 2024
Friday 22 March 2024
15
13 July 2022
Requisites for this module
CE262 and CE263
(none)
(none)
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The course builds on the Analogue Circuit Design module and presents a number of electronic design techniques that relate to general electronic systems and especially audio systems.
The course focuses on the analysis and application of negative feedback, system design and circuit-level operation where the aim is to engender an intuitive understanding of circuit functionality as well as more formal analysis and use of simulation techniques. These topics find application in main stream analogue design, analogue-digital interfacing and audio systems.
No information available.
1. Understand feedback and its importance in amplifier design
2. Use a servo amplifier to control the dc conditions of an amplifier
3. Use MultiSim to perform circuit-level simulation
4. Understand the fundamentals of LPCM and SDM methods of conversion using signal processing
5. Explain the requirements and function of a power amplifier, analyse the "current dumping" amplifier
6. Understand the functionality of a phase-lock loop (PLL) in both analogue and digital applications
7. Explain and model a moving-coil loudspeaker system with an all-pass crossover network
8. Use noise sources, noise analysis and noise optimization in transistor circuits
Syllabus
Negative feedback in analogue system design:
Closed-loop transfer function, loop transfer function, stability, effect of feedback on input and output impedance, distortion reduction and error correction including feed-forward, dc servo amplifiers and applications.
Audio Power Amplifiers
Comparison of voltage amplifier and power amplifier, use of negative feedback to reduce output impedance and non-linear distortion, class A, AB and B output stages, biasing using the amplified diode, crossover distortion, output-stage circuit examples, amplifier efficiency, bridge output stage, current dumping amplifier.
Noise in Amplifiers:
Noise factor, equivalent circuit noise model, cascaded stages, effect of feedback on noise figure, optimal noise design.
Phase-Lock Loops (PLL):
Phase-lock applications, principles of phase lock including example applications and feedback modelling, phase-sensitive detectors (PSD), comparison of analogue and digital detectors.
Analogue-to-digital and digital-to-analogue conversion:
Specifications and performance requirements; resolution and accuracy; sampling; quantiziation and dither, differential and integral non-linearity, R-2R ladder converters, current-to-voltage conversion, noise shaping, sigma-delta modulation (SMD); de-correlatioin techniques; sampling rate conversion.
Loudspeaker Systems:
Electro-acoustic transduction using pistonic radiator, moving-coil drive unit and equivalent circuit representation, multi-way loudspeaker systems and mathematical description of the all-pass family of crossover networks up to the fourth-order Linkwitz-Riley (LR-4) alignment, digital-and-active loudspeaker systems.
Labs and Lectures, with 2 problem sloving classes.
This module does not appear to have a published bibliography for this year.
Assessment items, weightings and deadlines
| Coursework / exam |
Description |
Deadline |
Coursework weighting |
| Exam |
Main exam: In-Person, Open Book (Restricted), 120 minutes during Summer (Main Period)
|
| Exam |
Reassessment Main exam: In-Person, Open Book (Restricted), 120 minutes during September (Reassessment Period)
|
Exam format definitions
- Remote, open book: Your exam will take place remotely via an online learning platform. You may refer to any physical or electronic materials during the exam.
- In-person, open book: Your exam will take place on campus under invigilation. You may refer to any physical materials such as paper study notes or a textbook during the exam. Electronic devices may not be used in the exam.
- In-person, open book (restricted): The exam will take place on campus under invigilation. You may refer only to specific physical materials such as a named textbook during the exam. Permitted materials will be specified by your department. Electronic devices may not be used in the exam.
- In-person, closed book: The exam will take place on campus under invigilation. You may not refer to any physical materials or electronic devices during the exam. There may be times when a paper dictionary,
for example, may be permitted in an otherwise closed book exam. Any exceptions will be specified by your department.
Your department will provide further guidance before your exams.
Overall assessment
Reassessment
Module supervisor and teaching staff
Prof Malcolm Hawksford, email: mjh@essex.ac.uk.
Professor Malcolm Hawksford
CSEE School Office, email: csee-schooloffice (non-Essex users should add @essex.ac.uk to create full e-mail address), Telephone 01206 872770mail address), Telephone 01206 872770
Yes
No
No
No external examiner information available for this module.
Available via Moodle
Of 37 hours, 24 (64.9%) hours available to students:
13 hours not recorded due to service coverage or fault;
0 hours not recorded due to opt-out by lecturer(s).
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