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Audio Pre-Amplifier for Laboratory Measurements
Friml, Vilém ; Hanák, Pavel (referee) ; Kratochvíl, Tomáš (advisor)
This thesis deals with a design of audio pre-amplifier with fixed frequency filters and a choice between amplification using integrated circuits and solidstate circuit. The thesis includes a design of attenuation circuit, an amplifier with an integrated circuit, an amplifier with transistors, a RIAA filter, a speech filter, a physiological filter, a rock preset filter and a power supply circuit. The thesis describes design of the circuit board, solution of oscillations of the amplifier with transistors and a measurement of the constructed device. The aim of the thesis is the design and construction of laboratory equipment.
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Practical implementation of symmetrical regulated supply
Pekarovič, Ján ; Vochyán, Josef (referee) ; Petržela, Jiří (advisor)
This thesis deals with a stabilized power supply capable of maintaining the output voltage from 0 V to 30 V. It is suggested as two independent adjustable power supply that can interlock to create a symmetric stabilized source. The described source is provided with electronic fuse to protect the connected device and the source itself from destruction. Part of this work is the simulation suggested time diagram for theoretical verification of functionality, design of circuit boards, cooling and case and basic measurement results on the realized power supply.
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ASI-I modul for lift control boxes
Cseri, Peter ; Fiedler, Petr (referee) ; Štohl, Radek (advisor)
In the first part of my thesis, I was studying materials about AS-Interface network. Then I designed connections between ASI chips and microcontroller that controls the elevator’s control panels. After that I designed all that on double layer board using Eagle layout editor 4.12r2. After that I completed the boards with all electronics circuits and electric components. Then I had to program microcontrollers and microchips for use. These control panels and programs are my final products of this project.
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Indoor Robot - Mechanical Construction and Power Electronics
Maťas, Marek ; Veselý, Miloš (referee) ; Žalud, Luděk (advisor)
The thesis is divided into several logical units. In the first part is described the topic of mobile robotics, construction, propulsion and control of mobile robots. Other parts are devoted to the design of robot’s mechanical structure, calculating the requirements for the proposed type of engines and drives. Finally, the control electronics for these engines is proposed, along with a program for microcomputer.
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Systme for solar system control
Cseri, Peter ; Šembera, Jaroslav (referee) ; Bradáč, Zdeněk (advisor)
In the first part of my thesis, I was studying materials about using solar energy. Then I write search about all components that are necessary to be used in solar systems. After that I designed the structure of solar system used for heating the hot water for a family house about 4 persons. For this system I designed a regulator and one layer circuit board using Eagle layout editor 4.12r2, which I assembled and tested. This followed creating and debugging program for microprocessor that controls the whole device. This functional regulator for solar collectors connected in a box together with the necessary electronic components is my final product of this project.
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