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Simulation and Design of Microwave Circuits

Mikrohullámú áramkörök tervezése és szimulációja
A tantárgyleírás hatályossága
Hatályosság kezdete:
2026. March 21.
Hatályosság vége:
—
Subject name (Hungarian, English)
Mikrohullámú áramkörök tervezése és szimulációja
Simulation and Design of Microwave Circuits
Subject code BMEVIHVAV08
Subject type —
Training Level —
Course types and hours (weekly/semester)
Course type lecture tutorial laboratory
hours (weekly) 3 0 1
type (linked/independent) — — derived course
Assessment type vizsga
Credits 4
Subject coordinator
DR. Bilicz Sándor
position: egyetemi docens
Responsible department
Szélessávú Hírközlés és Villamosságtan Tanszék
Faculty Villamosmérnöki és Informatikai Kar
Subject website https://hvt.bme.hu/
Primary curriculum type —
Direct prerequisites – Strong prerequisite none
Direct prerequisites – Weak prerequisite none
Direct prerequisites – Parallel prerequisite none
Direct prerequisites – Milestone prerequisite none
Direct prerequisites – Exclusion none

Objectives

Programme

Week 1:
Transmission line theory, lumped-element model, telegrapher’s equations, complex current and voltage functions along the length of a transmission line, reflection coefficient, termination with a general impedance, special terminations, input impedance.

Week 2:
Smith chart, S-parameters, introduction to design software, examples of transmission lines, use of the Smith chart.

Week 3:
Impedance matching methods: matching with lumped elements, secondary parasitic effects in real high-frequency solutions. Matching with distributed-element networks: single-stub and double-stub matching, quarter-wavelength transformer.

Week 4:
Microwave filters, filter transformations, Richards’ transformation, Kuroda identities, filter realization.

Week 5:
Power dividers, directional couplers, quadrature hybrid, branch-line hybrid. Use of a circuit simulator for filter and directional coupler design.

Week 6:
Electromagnetic properties of insulators, metals, and ferrites.

Week 7:
Electromagnetic behavior of periodic structures. Frequency selective surfaces.

Week 8:
Metamaterials and their applications. First midterm test.

Week 9:
Active microwave circuits and transistors: operation and advantages of MESFETs, HEMTs, and heterojunction BJTs. Linear and nonlinear modeling. Stability and noise analysis of high-frequency transistors.

Week 10:
Theory of low-noise microwave amplifier design. Circuit design using a simulator.

Week 11:
Microwave oscillators: design for maximum instability and design using dielectric resonators.

Week 12:
Theory of mixers. Simulation of oscillator and mixer circuits.

Week 13:
Fundamentals of microwave measurements: spectrum analysis, network analysis, noise measurement.

Week 14:
High-frequency integrated circuits. Second midterm test.

The course provides insight into the use of the most commonly applied microwave circuit simulation and electromagnetic field simulation software tools used today. Through circuit design examples, the effectiveness of methods applicable in engineering practice and the advantages of their applicability are demonstrated. The goal of the course is to equip students who successfully complete it with the fundamental knowledge necessary for microwave engineering design, providing a solid foundation for the professional development of future engineers, and to offer up-to-date knowledge of simulation tools used in microwave design.

Learning outcomes

Ez a tantárgy a KKK rendeletben meghatározott, következő kompetenciák fejlesztését szolgálja:

Knowledge

No learning outcomes recorded.

Skills

No learning outcomes recorded.

Attitudes

No learning outcomes recorded.

Autonomy and responsibility

No learning outcomes recorded.

Oktatási módszertan

Odd weeks: 4 hours of lectures per week. Even weeks: 2 hours of lectures per week, 2 hours of computer laboratory practice.

Tanulástámogató anyagok

Online források
Pozar, David M.: Microwave; Engineering, John Wiley & Sons, 2005.; Dr. Kása István: Microwave; Integrated Circuits, Műszaki Könyvkiadó, Budapest, 1978.; Dr. Almássy György: Microwave; Handbook, Műszaki Könyvkiadó, Budapest, 1973.; Christian Gentili: Microwave; Amplifiers and Oscillators, McGraw-Hill, 1987, ISBN 0-07-022995-3.; Tibor Berceli: Nonlinear; Active Microwave Circuits, Elsevier Science Publishers, Amsterdam, The; Netherlands, 1987.; Dr. Jachimovits László, Dr.; Berceli Tibor, Gödör Éva, Endersz György: Microwave Circuits,; Budapest University of Technology, Faculty of Electrical Engineering,; lecture notes J 5-764, 11th unchanged edition, Tankönyvkiadó, Budapest,; 1986

Recommended preliminary knowledge for completing the subject

Knowledge type competencies
(azon előzetes ismeretek összessége, amelyek megléte nem kötelező, de a tantárgy eredményes teljesítését nagyban elősegíti)
Electromagnetics, Electronics
Skill type competencies
(azon előzetes képességek és készségek összessége, amelyek megléte nem kötelező, de a tantárgy eredményes teljesítését nagyban elősegíti)
nincs
Recommended (non-compulsory) preliminary competencies
(azon ajánlott (nem kötelező) előzetesen megszerzendő kompetenciák összessége, amelyek jelentősen hozzájárulnak a tantárgy eredményes teljesítéséhez)
Electromagnetics, Electronics
General rules
Requirements: a. During the teaching period: A prerequisite for obtaining the course signature is achieving at least a pass grade on both midterm tests. An excellent exam grade is offered if the average of the two midterm tests is excellent. b. During the examination period: Oral examination. c. Pre-examination: There is no pre-examination for this course. Additional possibilities: One failed midterm test during the teaching period may be retaken at the retake midterm. A failed (retake) midterm test may be retaken once more during the retake week upon payment of a special procedural fee.
Assessment methods
In-term assessments

No detailed assessments provided.

Weight of in-term assessments

No weights provided.

Exam-period assessments

No detailed assessments provided.

Weight of exam elements

No weights provided.

Grade calculation

No grade thresholds provided.

Attendance requirements

No attendance requirements provided.

Rules for retake and resubmission

Not provided.

Short description

Not provided.

Detailed description

Not provided.

Recommended courses
The course has no prerequisites. The aim of the course is to enable students, over the course of the semester, to acquire the fundamental knowledge required for the design of microwave devices, as well as the engineering mindset essential for circuit design. During the semester, the most important active and passive circuit elements used in microwave communication systems are presented, along with the theory of their operation and the basic methods required for their design.
Workload to complete the subject

No workload breakdown provided.

Validity of subject requirements
Requirements valid from:
—
Requirements valid until:
—
Curriculum placement

No curriculum placements recorded for this subject version.