Radio Devices and Systems

1. describe types, applications and frequency bands of RF systems
2. explain the purpose and principles of operation of each sub-system in a RF system
3. calculate parameters of a RF link
4. select appropriate antenna system location and set up
5. prepare the radio communication system for operation and connect it with other systems
6. analyze and troubleshoot problems in the operation RF systems
7. plan maintenance of RF devices and systems

Lectures accompanied by slides and whiteboard

Numerical examples and experimental demonstration

Getting acquainted with the operation of tactical communication systems in the field

Introduction to the basic phenomena of electromagnetic wave propagation.

stručni posjeti

1. Lectures: frequency bands, types of radiofrequency systems, main parts and parameters of a RF system Seminar: HF radio systems - preparing the device, setting up the antenna and power supply
2. Lectures: transmission lines and microwave networks basics Seminar: HF radio systems - adjusting frequency, power, and modes of operation
3. Lectures: oscillators, frequency synthesizers, phase noise, RF amplifiers, power amplifiers, intermodulation distortion Seminar: HF radio systems - open and closed loop operation
4. Lectures: mixing, mixers, image frequency, superheterodyne receiver Seminar: HF radio systems - transport and conditioning
5. Lectures: thermal noise, noise figure, equivalent noise temperature Seminar: VHF radio systems - preparing the device, seting up the selected antenna and power supply
6. Lectures: antennas and arrays basics, link budget Seminar: VHF radio systems - selecting the mode of operation, adjusting frequency and output power
7. Lectures: mid-term exam Seminar: VHF radio systems - open and closed loop operation, transport and conditioning
8. Lectures: HF radio devices TRC 20H, TRC 3740 and TRC 3730 Seminar: VHF radio systems - working with all types of radio systems, systemy used in the Army, Air Force and Navy
9. Lectures: VHF radio devices Sincgars (PRC, VRC, Handheld) Seminar: Radio link - inspection of the system before use, preparing the system and its elements for seting up, preparing and installation of power supply
10. Lectures: VHF/UHF radio devices NTDR, MBTR and HCDR Seminar: Radio link - preparing and setting up the antenna system
11. Lectures: RRU TRC 4000, design, survey, and maintenance of microwave equipment Seminar: Radio link - setting up the radio link and connecting the antenna system and power supply
12. Lectures: mobile communication systems (GSM, UMTS, LTE), Terrestrial Trunked Radio – TETRA; software defined radio Seminar: Radio link - adjusting the system for operation and connecting with other systems
13. Lectures: satellite communications, GEO and LEO systems Seminar: Radio link - transport and conditioning, maintenance of microwave equipment
14. Lectures: communications intelligence, communications jaming, countermeasures Seminar: Satellite equipment - adjusting for operation and working with the equipment, protection during operation, basic maintenance
15. Lectures: final exam Seminar: Documents - making radio documents, diagrams, operating plans of radio stations, auxiliary documents, merge documents with other documents and other connections linking the study as an annex H