National Repository of Grey Literature 6 records found  Search took 0.00 seconds. 
Voltage source for gate of power transistor
Kořínek, Vladimír ; Kubíček, Michal (referee) ; Kolka, Zdeněk (advisor)
This bachelor‘s thesis is about possibilities of realisation of boost converter to energize gate of the power transistor without using integrated circuits. My goal is to create the most simple and the most reliable circuit with using an inverting DC/DC converter working in temperature range from -50°C to 80°C.
Modelling of differential current amplifier
Polák, Josef ; Šotner, Roman (referee) ; Jeřábek, Jan (advisor)
The aim of my diploma thesis was programming of systems for measuring AC, DC and impedance measurements. Each measuring system measures selected characteristics of current amplifier with controllable amplification DACA_N. Control programs I have created in Agilent VEE Pro 9.2. The measured data are stored to executable files in MS Excel for further processing. With created measurement programs I made measurements of eight current amplifiers. The results of individual measurements I compiled into graphs and compared with each other circuit characteristics of amplifiers. Then there is described controlling and connection of current amplifier and its construction. At the end the diploma thesis describes amplifiers with the worst and the best measured circuit characteristics. The measured values show that the amplifier DACA_N with slight differences works by theoretical assumptions and measurement systems suggested by me work with no problem.
Design and analysis of low-pass and hi-pass second order filters
Soós, Tibor ; Háze, Jiří (referee) ; Prokop, Roman (advisor)
This work deals with issues of realization of electrical second order filters. The work is dedicated to be a tutorial in design and realization of second order high and low-pass active filters.
Voltage source for gate of power transistor
Kořínek, Vladimír ; Kubíček, Michal (referee) ; Kolka, Zdeněk (advisor)
This bachelor‘s thesis is about possibilities of realisation of boost converter to energize gate of the power transistor without using integrated circuits. My goal is to create the most simple and the most reliable circuit with using an inverting DC/DC converter working in temperature range from -50°C to 80°C.
Design and analysis of low-pass and hi-pass second order filters
Soós, Tibor ; Háze, Jiří (referee) ; Prokop, Roman (advisor)
This work deals with issues of realization of electrical second order filters. The work is dedicated to be a tutorial in design and realization of second order high and low-pass active filters.
Modelling of differential current amplifier
Polák, Josef ; Šotner, Roman (referee) ; Jeřábek, Jan (advisor)
The aim of my diploma thesis was programming of systems for measuring AC, DC and impedance measurements. Each measuring system measures selected characteristics of current amplifier with controllable amplification DACA_N. Control programs I have created in Agilent VEE Pro 9.2. The measured data are stored to executable files in MS Excel for further processing. With created measurement programs I made measurements of eight current amplifiers. The results of individual measurements I compiled into graphs and compared with each other circuit characteristics of amplifiers. Then there is described controlling and connection of current amplifier and its construction. At the end the diploma thesis describes amplifiers with the worst and the best measured circuit characteristics. The measured values show that the amplifier DACA_N with slight differences works by theoretical assumptions and measurement systems suggested by me work with no problem.

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