Radio TechnologyLaajuus (3 ECTS)

Objective

The student understands the significance of polarization and the parameters of the medium in the radio link. The student is able to analyze and design microstrip lines. The student understands the significance of reflection and matching in radio frequency circuits and is able to match complex loads using lumped elements or a quarter wavelength transformer. The student understands the key specifications of antennas and is familiar with many different antenna types. The student is familiar with the most common active and passive RF components and understands their key specifications. The student is able to design a block diagram of a simple radio transmitter and receiver. The student is able to perform RF measurements using a spectrum analyzer and a vector network analyzer.


The contents and the assessment criteria of the course may be slightly different depending on the teacher of the course.

Content

1. Electromagnetic theory; polarization, etc…
2. Transmission lines
3. Reflection coefficient and matching
4. Antennas
5. Active and passive microwave components
6. RF design in block diagram level
7. Link budget and noise
8. RF measurements

Assessment criteria, satisfactory (1)

1. The student understands the significance of polarization and the parameters of the medium in the radio link.
2. The student is able to analyze and design microstrip lines.
3. The student understands the significance of reflection and matching in radio frequency circuits.
4. The student understands the key specifications of antennas and is familiar with many different antenna types.
5. The student is familiar with the most common active and passive RF components.
6. The student understands the operation of radio receivers and transmitters on block diagram level.
7. The student is able to use the link budget to calculate the power received by the receiver.
8. The student is able to perform RF measurements using a spectrum analyzer and a vector network analyzer.

Assessment criteria, good (3)

1. The student is able to calculate the attenuation, wavelength and velocity of the signal in a media, based on the media parameters.
2. The student understands additionally the effect of the characteristic impedance of transmission lines in a microwave circuit.
3. The student is able to match a complex load using lumped elements.
4. The student is able to select a suitable antenna for his/her specification.
5. The student is familiar with the most common active and passive high frequency components, and take their parameters into account in the block diagram level design.
6. The student is able to design a simple radio receiver and transmitter in block diagram level.
7. The student is additionally able to calculate the noise temperature of a receiver based on the noise parameters of the components used.
8. As in level 1.

Assessment criteria, excellent (5)

1. The student is as well able to analyze the reflection and transmission coefficients for different polarization levels.
2. As in level 3.
3. The student is as well able to match a complex load using a quarter wavelength transformer.
4. The student can take the antenna parameters into consideration in the transmitter and receiver design.
5. The student is able to select the active and passive components to his/her application.
6. The student is able to design a simple radio receiver or transmitter in block diagram level and derive the needed component parameters.
7. The student is additionally able to analyze the signal to noise ratio of a receiver and may do a block diagram level design to fulfill the required noise criteria.
8. As in level 3.