In the electronics laboratory, the content of the lectures is made tangible using practical setups. The setups are deliberately kept simple on universal plug-in boards to give students the opportunity to create the setups themselves and to continue experimenting outside the lab.

In the first session, the students deal with the possibilities of circuit simulation. This will provide them with a tool that will enable them to plan the functionality of the following hardware setups on the PC in advance.

In the first hardware experiment, an R2R network is connected to a microcontroller board in order to obtain a PC-controlled voltage source. The AVR-NET-IO board used is available very cheaply as a kit or ready-made board and the software can be used freely by any student, so that the setup encourages a variety of experiments beyond the electrical engineering laboratory.

In the second experiment, the controlled voltage source is extended to a controlled current source with transistors.

With the help of the set-up created in the first experiments, the characteristics of various diodes, LEDs and transistors are now recorded and the thermal and optical behaviour of diodes is investigated.

In the last part, an RC oscillator with an operational amplifier/comparator is set up and analysed in detail (charge/discharge curves, Schmitt trigger, pulse/pause ratios).

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