This subject aims to provide the student with the relevant fundamental theory required tounderstand basic telecommunication processes. On successful completion of the subject,the student will understand the analogue processes involved in analogue speechcommunications systems. In addition, this subject provides a foundation for Introduction toDigital Transmission Systems in the following semester.
Fundamental Knowledge
Properties of a Sine Wave, Frequency Phase andAmplitude Measurements. Time domain and Frequency Domain, Spectrum of asignal. Bandwidth. Power, The Decibel , dBm, Review of Impedance. Analysis ofseries and parallel RC and RLC Networks, Low pass Filter, High Pass Filter.Component Q, Series and Parallel Tuned Circuits, Concept of Channels,transmission Media and transmission Lines.
Amplitude and Frequency Modulation
Principles of Amplitude Modulation;spectrum of modulated signal, modulation index; circuits used for AMtransmitters and receivers. Principles of Frequency Modulation; spectrum of FMwave; power of FM wave; circuits used for generation and detection of FMwaves; FM Stereo.
Radio Receivers
Frequency Division multiplexing: Band Pass Filters; SuperhetPrinciples; Image frequency, Detectors; Mixers; IF Filters; Tuning Methods; AGC,AFC, Pre-Amps.
Wave Propagation and Aerials
The Radio Spectrum, Radiation from an aerial,Modes of propagation, Isotropic Radiator; Radiation patterns; Half Wave Dipole,Gain of an Aerial, Dipole Arrays, review of other selected aerials. Comreg andregulation.
| Module Content & Assessment | |
|---|---|
| Assessment Breakdown | % |
| Other Assessment(s) | 0 |
| Formal Examination | 70 |