Learnelectronics

Course 1. Electronics and Semiconductor Engineering. Course 2. Power Electronics

Course 1. Electronics and Semiconductor Engineering 1. Introduction (About the course. Historical introduction. Electronic components, devices, and systems. Mathematical description and laws. Classification) 2. Semiconductors (current in conductors and semiconductors, intrinsic semiconductors, recombination, doping, pn junction, depletion layer, biasing, avalanche and Zener effects) 3. Diodes (output characteristic, biasing, power diode, varactor, Zener, Schottky, tunnel diodes, optoelectronics) 4. Thyristors (SCR input and output characteristics, transients, special-purpose thyristors – diac, triac, GTO, etc.) 5. BJT (common features of transistors, structure of BJT, basic topologies, beta and alpha gains, characteristics, load line, power BJT) 6. FET and IGBT (JFET, depletion and enhanced-mode MOSFETs, and IGBT symbols, input and output characteristics and parameters) 7. AC amplifiers (classes, load lines, CE, CB, and CC amplifiers, two-stage circuits) 8. Supplies and DC amplifiers (voltage and current sources, diff amps, cascading) 9. Opamps and math converters ( ICs and opamps, non-inverting and inverting voltage and current amplifiers, feedbacks, summer and subtracter, integrators and differentiators, logarithmic and exponential amplifiers) 10. Filters (passive and active filters, LPF, HPF, BPF, BSF) 11. Pulse electronics (Switches. Switching circuits and converters: multiplexer, comparator, latch, RS flip-flop, Schmitt triggers. Oscillators: sine wave generators, push-pull amplifier, astable multivibrators, monostable) 12. Digital electronics (quantizing, binary codes and logic, NOT, AND, OR, NOR, NAND gates, sequential circuits) 13. Digital-to-Analog Converters (characteristics, string, thermometer, binary-weighted, R-2R, segmented, and nonlinear DACs) 14. Analog-to-Digital Converters (characteristics, flash, successive approximation, subranging, tracking, voltage-to-frequency, and counting ADCs) Course 2. Power Electronics 1. Introduction to power electronics (Definition. Historical introduction. Power electronic system. Power converters and their components) 2. Introduction to rectifiers (Definition. Transformers. Rectifier data) 3. Single-phase rectifiers (Half-wave, full-wave, and bridge diode and thyristor rectifiers with active and inductive loads) 4. Three-phase rectifiers (Full-wave and bridge diode and thyristor rectifiers with active and inductive loads) 5. Introduction to inverters (Common features. Single-phase VSI with block modulation. Three-phase VSI with six-step modulation) 6. Pulse-width modulation (Picket PWM. Single-phase VSI with PWM. Three-phase VSI with PWM) 7. Current source and Z-source inverters (IGBT CSI. Thyristor CSI. ZSI) 8. Introduction to ac/ac converters (Definition and classification. Single-phase and three-phase ac voltage regulators) 9. DC link ac/ac converters (ВС link with diode and IGBT front ends. Current source dc link converters) 10. Direct frequency converters (Matrix ac/ac converters. Bidirectional switches. Cycloconverters) 11. Introduction to dc/dc converters (Classification and requirements. Series pass, shunt and compound dc voltage regulators) 12. Single-switch buck and boost converters (Topologies and control principles. Single-switch buck converters. Duty cycle. Single-switch boost converter) 13. Buck-boost and multi-switch converters (Buck-boost converters. Multi-switch buck converters. Multi-switch boost converters) 14. Isolated dc/dc converters (Forward converters. Push-pull converters)

[04/24/19]   Q:
A would like to try examination questions. What is an enrolment key to AAV0060?

A:
Enrolment key is AAV0060. After self-enrolment, wait please for the teacher to approve your entrance, and then launch TRY.

[03/14/19]   Q:
It’d be nice if the slides could also serve as a study form.

A:
I guess the final assessment has to open your real knowledge and understanding. It might not be based on the lecture slides only – the list of textbooks is published on the Moodle page and in the first lecture presentation. The slides recall only what is telling about in your lecture notes.

Q:
There won’t be an exam? The only way to get a grade in your half (Supply Converters) is by doing the quiz?

A:
Different forms of exams exist. It does not necessary involve writing or oral explanations of studied topics. In the present case, you are invited to answer 10 questions. The full list of questions is published in Moodle from the beginning of the semester and clarified at lectures. The consultations continue until the semester end of course.

Q:
The final course grade will be an average of your half (Supply Converters) and the half (Control of Machines), which is independent from yours?

A:
The final grade will depend on the results from both parts. It may be fifty-fifty or forty-sixty, we did not decide jet. As well, we look forward to hearing your views. The second part of the course is not separated from the first one. It is based on the first part, because supply converters are required to control machines.

Q:
How many times can I take the quiz? I really want a 5 from your class.

A:
You may take this exam every 10 days, until the semester end. Therefore, you can achieve your goal if you really want.

Q:
During the quiz/exam, will we be able to use our materials? Or will it be without any materials (computer, notes, etc)?

A:
Without any materials (copies, notes, computer, phone, internet, etc.). The grade depends on your knowledge only (memory, numeracy, thinking ability).

😉

[03/13/19]   Q:
What is my grade in Supply Converters?

A:
1. Please, summarise the scores of all your quizzes and bonuses and round up this sum.
2. If you are not satisfied, learn more from textbooks and lecture slides and try your knowledge in Moodle (AAV0060 Quizzes/TRY).
3. Once you will feel your readiness, write me to decide the date of your demonstration on the laboratory PC. The new value will replace your current grade. If you are not satisfied again, return to item 2.

All the best ;)

[03/13/19]   Q:

Boost converter. Uout ?

A:
Thank you. Corrected for everybody who has the same error!

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Ehitajate Tee 5
Tallinn
19086
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