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Laboratory Exercises 2
A tantárgy neve magyarul / Name of the subject in Hungarian: Laboratórium 2
Last updated: 2022. augusztus 30.
Signals and systems
aim of this subject is to further enhance the professional skillset of the
students and to provide intense technical experience on the field of electrical
analyses, measurements. The subject is based on and strongly relies on the
Laboratory Exercises 1 subject.
students are to carry out advanced measurement tasks in the following steps:
measurement occasion is finished by the proper documentation of the results and
the experience gained, in the form of a written measurement report.
Measurement 1: Building and testing simple
students build simple electrical circuits from standalone components and verify
the circuit's operation and main parameters.
Measurement 2: Designing printed circuit boards
get acquainted with a basic PCB design software and meet with the first steps
of PCB design, such as schematics, simulation, routing and generation of
Measurement 3: Measurement of EMC phenomena
the mutual effect of electronic devices on each other, transient behavior.
Different modes of electrical coupling and their approximation.
4: Linear and switch mode power supplies
(power) converter topologies, linear regulators and high frequency switching
power regulators. Analysis of circuit operation and unique effects, measurement
of parameters (load rejection, ripple, etc.).
Measurement 5: Transistor based amplifiers
simple transistor based amplifier configurations, characterization, evaluation
of their performance and parameters.
Measurement 6: Instrumentation amplifiers
simple, operational amplifiers based amplifier circuits (inverting,
non-inverting, symmetric instrumentational). Evaluation of their parameters and
Measurement 7: Analog to Digital and Digital to
A/D and D/A converters, basic evaluation, measurement of static and dynamic errors,
8: System identification and control
fitting and development on a real dynamic system, system identification,
controller design based on state estimation and feedback.
Measurement 9: Analog phase locked loop (PLL)
operation of an analog PLL circuit, building blocks and their characterization,
Measurement 10: 900 MHz FSK transceiver/receiver
frequency spectral analyses, FSK modulation and demodulation, measurement on an
experimental FSK system.
11: Logic controllers (PLC)
based control of a simple physical system using a PLC. Design and
implementation of the experimental system, evaluation of control performance.
(1) All of the measurements should be accomplished
with success. In order to accomplish a measurement:
(2) At the end of the semester a practical test should
The final mark is calculated as follows:
mark = 0.6*M + 0.2*CC+ 0.2*PT
where M is the mean of the
marks of measurements 4-11., CC is the mean of the results for the
Cross-check questions and PT is the result of the practical test. The
final mark is one (i.e. the subject is not accepted) if the mark of any of
the measurement 1-11. is one or any of the measurement is not
accomplished or repeated with success, or PT is one.
During the semester,
two measurements can be repeated irrespectively of the reason why these
measurements were not accomplished. One measurement can be repeated only once.
If somebody fails the repetition, he/she fails the whole subject. Measurements 1-3 will be repeated at the
beginning of the semester, since they are useful during the other measurements.
In case of
long illness or any other acceptable reason, the course coordinator decides
about the possibilities and details of additional occasions for repeating a
practical final test can be repeated only once irrespectively of the reason of