Design of HF and Microwave Circuits

Lecturer:

Karel Hoffmann (gar.), Přemysl Hudec

Tutor:

Karel Hoffmann (gar.), Přemysl Hudec

Supervisor:

Department of Electromagnetic Field

Synopsis:

Project oriented subject devoted to principles and designs of basic microwave circuits: amplifiers, oscillators, detectors, mixers. CAD software tools for microwave circuits design. Microwave transistors, bipolar, MESFET and HEMPT. Basic parameters of amplifiers. Design of narrow- and wide-band amplifiers. Design of low-noise amplifiers. Microwave diode and transistor oscillators. Microwave detectors. Mixers, diode and balanced.

Requirements:

Basic knowledge of numerical methods. http://www.elmag.org

Syllabus of lectures:

1. Introduction, CAD tools for microwave circuits design

2. Structures of bipolar transistors, MESFET and HEMT

3. Basic parameters of amplifiers

4. Design of narrow-band amplifiers

5. Design of wide-band amplifiers

6. Design of low-noise and power amplifiers

7. Microwave diode oscillators - stability

8. Frequency and power hopping - construction

9. Microwave transistor oscillators.- stability

10. Low- and high-signal design - construction

11. HF and microwave detectors, basic parameters, construction

12. HF and microwave mixers. basic parameters

13. Diode mixers, balanced mixers

14. Frequency multipliers, limiters

Syllabus of tutorials:

1. Displaying s-parameters of microwave transistors using GRAFSYNT software

2. Calculation of basic parameters of microwave transistors using GRAFSYNT software

3. Analysis and optimization of microwave amplifiers using MCAD

4. Project no. 1 and 2. Microwave amplifiers

5. Project no. 1 - solving

6. Project no. 2 - solving

7. Software tools MIDE and PUFF

8. Project no. 3. Microwave Gunn oscillator

9. Project no. 3 - solving

10. Project no. 4. Microwave tunable Gunn oscillator

11. Project no. 4 - solving

12. Project no. 5. Microwave transistor oscillator

13. Project no. 5 - solving

14. Review of the projects, conclusion

Study Objective:

Study materials:

[1] Vendelin, G.D.: Design of Amplifiers and Oscillators by S-parameter Method. John Wiley, 1982

[2] Soares, R., Graffeuil, J., Obregou, J.: Applications of GaAs MESFETs. Artech House, 1983

[3] Maas, S.A.: Microwave Mixers. Artech House

Note:

Further information:

No time-table has been prepared for this course

The course is a part of the following study plans:

• Electronics - Electronic Systems- structured studies (compulsory elective course)
• Electronics - Electronic Applications- structured studies (compulsory elective course)
• Electronics - Electronics and Photonics- structured studies (compulsory course, compulsory elective course)