English

Every autumn semester

The course is intended to give basic and wide knowledge in analysis and design of radio frequency amplifieres, primarily based on discrete devices, but also engineering skills in measurement techniques that are necessary for verification of the result. The rf amplifier is an essential part of wireless applications such as cellular phones, multimedia terminals, computer networks, short distance communication between peripherals etc. As this technology rapidly advances there is a great demand for this kind of knowledge.

The main focus is analysis and synthesis of high-frequency amplifiers. Systematic methods for the design of amplifiers with regard to gain, stability and noise. Transmission lines are natural elements since the signal wavelength is comparable with the size of the electronic circuits.Circuits are presented and exemplified with transmission lines and transistors in the frequency range megahertz to gigahertz. Advanced radio frequency measurements using spectrum and network analysers.

be able to analyse and design circuits with reactive components and transmission lines and use the Smith chart for analysis and synthesis of radio frequency circuits
be able to analyse an amplifier stage with two-port models

be able to identify the S-parameters of a transistor experimentally, and use these with theoretical models in order to design a radio frequency amplifier that is stable and meets a specified power gain and noise figure
be able to verify the design with spectrum and network analysers.
be able to explain to colleagues in writing a solution to a radio frequency problem

Lectures

Laboratory exercises

Exercises

The theory presented in lectures is trained in exercise hours. The course comprises four mandatory laboratory exercises where advanced measurement techniques are used to compare the theoretical models with the real behaviour. The course also includes two mandatory hand-in exercises.

Written exam

Written assignments

Two passed hand-in assignments, four completed laboratory exercises and a final written examination (5h). Approved hand-in assignments and laboratory exercises are a requirement to be allowed to enter the examination.

Failed, pass

•ETIF05 Basic Wireless Communication Technique

Sundström, L., Jönsson, G. & Börjeson, H.: Radio Electronics.
Sundström, L., Jönsson, G. & Börjeson, H.: Radio Electronics, Exercises and Laboratory Experiments.

Course coordinator: Universitetsadjunkt Göran Jönsson, Goran.Jonsson@eit.lth.se

ETIN50F

 -05-14

FN1/Anders Gustafsson