National Repository of Grey Literature 6 records found  Search took 0.00 seconds. 
Digital controlled power supply
Kocián, Daniel ; Koton, Jaroslav (referee) ; Šotner, Roman (advisor)
This master’s thesis is about design and realization of a digital controlled power supply. In the introduction there is defined a basic princip and division of the power supplies. Furthermore, there are considered two design realisations of digital controlled power supllies. The first one will be controlled by D/A converter and the second one will be controlled by digital potentiometers. Consequently, there is in the master’s thesis designed controlled part which controls output parameters of supply. The core of the controlled part is microcontroller ATmega16. Output parameters are displayed on LCD display and are set by 4x4 matrix keypad. In the last part there is designed connection between PC and microcontroller by the help of converter FT232BM. Subsequently, there is designed the rectifier with a filter and electronic switching of the fan. At the end of the thesis is resolved the placement of the various component parts to the component box.
Antialiasing frequency filter
Kocián, Daniel ; Murina, Milan (referee) ; Sedláček, Jiří (advisor)
The bachelor´s work deals with a project of the connecting of the antialiasing electronically turnable ARC filter of the low pass of the fifth order with the Butterworth approximation with the adjustable limited frequency FM in the extent 10 kHz – 100 kHz. The theoretical part includes a short summary and a description of constituent blocks of the complete device. Then the problems of the frequency filters are analyzed there. The practical part consists the project of the printed circuilts of all constituent blocks, then the calculation of all circuited components of ARC filter of the type of low pass for all limit frequencies of the filter. The result of the all work is a device which consists of five blocks and its core is the microcotroler ATmega16. For the electronic turnabling of the filter there are used digital potenciometers. The inseparable part is the enclosed CD-ROM which includes all made materials.
Design of Application for Creating Order Form Using VBA
Kocián, Daniel ; Štepník, Štefan (referee) ; Dydowicz, Petr (advisor)
Bachelor thesis is focused on design of application for creating order form in program Microsoft Excel using VBA. Application will bring company HighTech Industries s.r.o. significant speed-up and simplification of proces ordering products from suppliers.
Design of Application for Creating Order Form Using VBA
Kocián, Daniel ; Štepník, Štefan (referee) ; Dydowicz, Petr (advisor)
Bachelor thesis is focused on design of application for creating order form in program Microsoft Excel using VBA. Application will bring company HighTech Industries s.r.o. significant speed-up and simplification of proces ordering products from suppliers.
Digital controlled power supply
Kocián, Daniel ; Koton, Jaroslav (referee) ; Šotner, Roman (advisor)
This master’s thesis is about design and realization of a digital controlled power supply. In the introduction there is defined a basic princip and division of the power supplies. Furthermore, there are considered two design realisations of digital controlled power supllies. The first one will be controlled by D/A converter and the second one will be controlled by digital potentiometers. Consequently, there is in the master’s thesis designed controlled part which controls output parameters of supply. The core of the controlled part is microcontroller ATmega16. Output parameters are displayed on LCD display and are set by 4x4 matrix keypad. In the last part there is designed connection between PC and microcontroller by the help of converter FT232BM. Subsequently, there is designed the rectifier with a filter and electronic switching of the fan. At the end of the thesis is resolved the placement of the various component parts to the component box.
Antialiasing frequency filter
Kocián, Daniel ; Murina, Milan (referee) ; Sedláček, Jiří (advisor)
The bachelor´s work deals with a project of the connecting of the antialiasing electronically turnable ARC filter of the low pass of the fifth order with the Butterworth approximation with the adjustable limited frequency FM in the extent 10 kHz – 100 kHz. The theoretical part includes a short summary and a description of constituent blocks of the complete device. Then the problems of the frequency filters are analyzed there. The practical part consists the project of the printed circuilts of all constituent blocks, then the calculation of all circuited components of ARC filter of the type of low pass for all limit frequencies of the filter. The result of the all work is a device which consists of five blocks and its core is the microcotroler ATmega16. For the electronic turnabling of the filter there are used digital potenciometers. The inseparable part is the enclosed CD-ROM which includes all made materials.

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7 Kocian, Daniel
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