EENG3050 (EL305) - INTRODUCTION TO ELECTRONICS
EENG3180 (EL318) - ENGINEERING MATHEMATICS
SINUSOIDAL STEADY-STATE ANALYSIS
The phasor concept. Phasor relationships for R, L and C elements. Circuit laws using phasors. Thevenin & Norton equivalents and source transformations. Node voltage and mesh current analysis using phasors; supernodes and supermeshes. Superposition in AC analysis.
AC STEADY STATE POWER
Electric power. Instantaneous power. Average power. Effective value of a sinusoidal waveform. Maximum power transfer and conjugate matching. The transformer. The ideal transformer. Using transformers in circuit matching.
Definition and calculation of Z, Y, H and AB parameters. Relations between various parameters. Symmetric, reciprocal and unilateral two-ports. Input and output impedances and transfer functions of terminated two-ports. Two-port interconnections. Analysis and design of simple feedback amplifiers using two-port approach.
ELECTRONIC DEVICES AND CIRCUITS
INTRODUCTION TO SEMICONDUCTORS
Atomic structure. Semiconductors, conductors and insulators. Conduction in semiconductors. N-type and P-type semiconductors. The PN junction, formation of the depletion region. Biasing the PN junction, current voltage
The pn diode, ideal and practical models. Diode applications: half-wave rectifier, full-wave rectifier, power supplies. Diode limiters.
Zener diode, operation and characteristics. Using Zener diodes for voltage regulation. Zener limiting.
Optical diodes, operation and applications: light-emitting, photodiode.
BIPOLAR JUNCTION TRANSISTOR (BJT).
Basic operation, characteristics, parameters and biasing. Transistor as an amplifier. Transistor as a switch. Transistor packages. BJT bias circuits, base bias, emitter bias, voltage-divider bias. DC load line. Small-signal BJT amplifiers. Hybrid parameters and r-parameters. AC equivalent circuit and AC load line. Common-emitter amplifier, equivalent circuit and voltage gain. Emitter-follower, equivalent circuit and voltage gain.
FIELD-EFFECT TRANSISTOR (FET)
Junction field-effect transistor (JFET), n- and p-channel, operation, characteristics. Self-bias and voltage divider bias. Metal Oxide Semiconductor FET (MOSFET), depletion and enhancement mode devices, characteristics, biasing. FET amplifier circuits.
This module appears in:
Total contact hours: 45
Private study hours: 105
Total study hours: 150
Method of assessment
1. Demonstrate knowledge of the main laws of electric circuits and their practical applications;
2. Demonstrate the ability to analyse circuits in the frequency domain using various approaches;
3. Demonstrate knowledge of the operation and circuit behaviour of main electronic devices and to their use in simple circuits and systems;
4. Demonstrate an understanding of the operation, properties and design procedures for transistor amplifiers;
5. Demonstrate practical ability to design and test simple transistor amplifiers.