Course Code: EA3102 • Study year: III • Academic Year: 2024-2025
Domain: Electronic engineering and telecommunications • Field of study: Applied Electronics
Type of course: Compulsory
Language of instruction: Romanian
Erasmus Language of instruction: English
Name of lecturer: Constantin Huțanu
Seminar tutor: Constantin Huțanu
Form of education Full-time
Form of instruction: Class / Seminary
Number of teaching hours per semester: 42
Number of teaching hours per week: 3
Semester: Autumn
Form of receiving a credit for a course: Grade
Number of ECTS credits allocated 4

Course aims:

- The main areas and the fundamental directions of applicability of the electromagnetic fields in the microwave field are highlighted.
- Students will become familiar with the main approaches (symbolic and schematic) as well as with a series of applications of measurement installations in telecommunications using microwave frequencies.
- Use of the fundamental elements related to the devices, circuits, systems, instrumentation and electronic technology.

Course Entry Requirements:

E1101 - Mathematical analysis, E1202 - Special mathematics, E1205 - Passive electronic components and circuits, E2106 - Electronic measuring instrumentation

Course contents:

1. Propagation on lines with and without losses 1.1. Particular cases of long lines. 2. Where in the lines and guides 2.1. General solutions for TEM, TE, TM modes 2.2. Losses in dielectric. 3. Transmission lines 3.1. The rectangular waveguide. 4. TE and TM modes 5. The coaxial line 5.1. TEM mode and higher modes. 6. The circular guide. 6.1. TE and TM modes. 7. Stripline and microstrip lines 7.1. Effective dielectric constant. 8. Impedance adjustment and tuning 8.1. Using the Smith chart. 9. Modes of adaptation 9.1. Adaptation with circuits in L. 9.2. Quarterly impedance transformer. 10. Resonant circuits series and parallel 10.1. Resonators from transmission lines. 10.2. Resonant cavities. 11. Couplings 11.1. Couplings made of waveguide. 11.2. Couplings obtained from transmission lines. 12. Ferromagnetic components for microwaves 12.1. Isolator. 12.2. Phase shifter. 12.3. Circulator. 13. Noise in microwave circuits 13.1. Microwave diodes. 13.2. Microwave transistors. 13.3. Microwave integrated circuits. 14. Specialized microwave devices 14.1. Oscillators. 14.2. Multipliers. 14.3. Mixers for microwaves

Teaching methods:

Presentation, debate, lecture

Learning outcomes:

Use of the fundamental elements related to the devices, circuits, systems, instrumentation and electronic technology Use of electronic tools and specific methods to characterize and evaluate the performance of electronic circuits and systems

Learning outcomes verification and assessment criteria:

Written evaluation 50%, Performing laboratory work 50%

Recommended reading:

Elif Aydin, Nergiz Cagiltay, A new RF and Microwave Engineering course enriched with advanced technologies, Wiley Periodicals, New York, 2012, 579-761.
N. Ercil Cagiltay, A, New RF and Microwave Engineering Course Enriched With Advanced Technologies, Cambridge University Press, Cambridge, 2010, All pages.
Lojewski, G, Dispozitive si circuite de microunde, Editura Tehnică, București, 2005, All pages.