High Frequency Electronics

Lectures:

1. Active and pasive devices, equivalent circuits with parasitic elements.
2. Resonant circuit and its RF properties. Basics of resonant measuring instruments.
3. RF filters.
4. RF wideband and narrowband amplifiers. Miller capacitance. Parasitic coupling compensation.
5. Function blocks, elementary types of RF oscillators.
6. Modulations of AM, FM, PM. Heterodyne, intermediate frequency, image frequency.
7. Y and S parameters. Definitions, Conversions.
8. Frequency mixers and frequency multipliers. Amplitude limiters.
9. Function blocks, modulators, demodulators, Gilbert cell.
10. RF operational amplifirs, CFA, OTA, current and voltage feedback.
11. Microwave circuits, waveguides, microstrips, YIG.
12. RF circuit analyse methods. Smith chart derivation.
13. Special devices for RF technics, SRD, HEMT, IMPATT, TRAPATT, TWT, klystron, magnetron.
14: Noise in RF circuits, elementary terms.


Exercies:

1. Safety instructions. Calculations of device equivalent circuits. Project assignment - RF oscillator design.
2. Laboratory exercise. Measurement of frequency properties of coil, condenser and resonant circuit.
3. Laboratory exercise. Measurement of frequency characteristic of coupled resonant circuit and ceramic filter.
4. Laboratory exercise. Measurement of the Miller capacitance influence to the frequency characteristic of amplifier.
5. Theory exercise. Antialiasing filter design.
6. Laboratory exercise. Verification of AM and FM properties by generator and FFT oscilloscope.
7. Test 1.
8. Laboratory exercise. Measurement of frequency mixer and frequency multiplier by FFT oscilloscope.
9. Theory exercise. Criteria of stability in circuits. Examples.
10. Laboratory exercise. Frequency characteristic measurement of OTA based amplifier.
11. Laboratory exercise. Measurement in waveguide at 10 GHz.
12. Evaluation of assigned project.
13. Test 2.
14. Credit.