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School of Electronic Engineering and Computer Science

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Mr Nafi Ahmad

Nafi

Email: nafi.ahmad@qmul.ac.uk
Room Number: Engineering, Eng 153

Teaching

Analogue Electronic Systems (Undergraduate)

This is a Level 4 module introducing you to electronic devices, components, circuits and simple systems. There is particular emphasis on the basic theorems and techniques of electric circuit theory in relation to simple a.c. and d.c. circuits in order to provide a sound theoretical background to both analogue and digital modules in subsequent semesters.

Communications and Networks (Undergraduate)

This compulsory module covers the basic concepts in communications and networks. It introduces the concept of a communications system and then focusses on specific elements. It covers circuit and switched versus packet switched networks, and the ISO/OSI 7 layer model. Also covered are certain critical network protocols, e.g. TCP/IP and CSMA/CD, key Internet concepts, converged networks, and mobile networks.

Communication Theory (Postgraduate)

Information theory, modulation schemes, source coding (including space-tome coding), and error correcting coding

Communication Theory (Undergraduate)

This module introduces the basic principles of modern communication systems. The primary objective is to provide fundamental tools and methodologies used in modelling, analyzing and simulating analog and digital communication systems. The following will be covered: Signal representation and spectral analysis, probability theory and random processes, detection and estimation of analog and digital systems in the presence of noise. Simulations are performed using Matlab.

Electronics (Postgraduate)

The module will set out the fundamental principles of analogue electronics analysis and design, prior to studying applications of a range of electronics devices and subsystems, such as instrumentation amplifiers, active filters, low-noise amplifiers, feedback systems, isolation amplifiers, front-end amplifiers. Grounding and shielding and data acquisition systems will be briefly outlined. It outlines the operation of components such as diodes and transistors (BJTs and FETs) only briefly, while the main emphasis is on systems built and based on amplifiers.

Microwave and Millimetrewave Communications Systems (Postgraduate)

The module covers: Introduction to microwave systems, bands and applications. Two conductor transmission media; coaxial, stripline and microstrip. Use of transmission line transformers in matching. The Smith chart; derivation, representation of admittance and impedance, normalisation. Stub matching. One-port devices; Schottky barrier diodes, PIN devices. Gunn and IMPATT devices; simple negative resistance oscillator design. Two-port devices; use of S-parameter analysis, passive two-port devices, the network analyser. The MESFET. Simple microwave amplifier design.

Signals and Systems Theory (Undergraduate)

This module stresses the appreciation and use of certain transform techniques in the analysis of signals, and their related systems. Emphasis is placed on Fourier methods within the context of continuous time signals and signal processing, and the use of linear difference equations and Z transforms when signals are discrete.

Research

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