Circuit technology and EMC
Overall Course Objectives
– To enable the student to select components for the realization of circuits according to applicable electrical, thermal, mechanical, environmental and production technological requirements.
– To introduce the student to the practical considerations to be taken into account when designing electrical circuits for a printed circuit board technology.
– To provide a basic knowledge about the EMC Directive and Standards and to enable the student to perform basic EMC-measurements.
– examine environmental influences on electrical circuits.
See course description in Danish
Learning Objectives
- determine parasitic components for resistors, capacitors, inductors and PCB tracks using the component datasheet
- select components to a given application in order to satisfy the applications specifications
- identify noise sources in circuits and compute the accumulated noise level on the output
- design PCB tracks according to voltage drop, temperature rise and shortcircuit conditions
- recall the individual steps in an industrial PCB manufacturing process
- explain basic EMC phenomena and definitions
- identify noise sources and coupling mechanisms
- calculate EMC filters
- apply the EMC Directive and Standards
- apply EMC test procedures
- compute the electrical drift of a circuit as a function og temperature and time
- model and calculate thermal radiation, conduction and convection for simple geometries
Course Content
Components:
– selection of components for a specified application.
– resistors: types and materials, parameter drift noise and derating.
– capacitors: dielectrics, models with parasitic components.
– inductors: models with parasitic components
– estimating the parasitic components from datasheets and applications.
– Film/paper capacitors, ceramic capacitors, Class I, II, III.
– Electrolytic capacitors, derating.
PCB technology:
– materials and properties.
– design rules for PCB layout, according to temperature, shortcircuit and safety distances.
EMC:
– EMC Phenomena and Basic Definitions
– Noise Sources
– Interference Coupling Mechanisms
– EMC-components
– PCB-design
– Filtering
– Shielding
– Mechanical Design
– Principles for Grounding
– The EMC Directive and Standards
– EMC Test Procedures
– Practical Trouble Shooting
Thermal design:
– heat conduction, convection and radiation.
– Design of cooling fins, max. junction temperature.
– Heat capacity and thermal equivalent circuits for thermal systems (PSPICE)
Recommended prerequisites
31037/31036/31350/31351/31352, Basic knowledge of electronics, such as Ohms law, Kirchhoffs rules, Fourier, LaPlace, electric components, electromagnetism and analog and / or digital electrical circuits
Teaching Method
Flipped classroom, classroom teaching, project and laboratory work.
About half of the course time is reserved to conduct the group exercises, which are the basis for the 4 hand-ins.
Faculty
Remarks
Projects:
Noise, thermal drift project
PCB layout (minimize EMC) project
EMC filter design test and verification, lab project
Thermal project
E-learning is used in the form of flipped classroom an interactive quiz.
Limited number of seats
Minimum: 10.
Please be aware that this course will only be held if the required minimum number of participants is met. You will be informed 8 days before the start of the course, whether the course will be held.