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DC Power Supply
Kovář, Josef ; Vorel, Pavel (referee) ; Patočka, Miroslav (advisor)
This master thesis concerns the design of DC power suply, which will be used for technological processes in engineering. This thesis concludes design of components and control curcuits for switching power supply. Output parameters of the machine will be measured.
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Membraneless speaker
Kovář, Josef ; Šteffan, Pavel (referee) ; Pavlík, Michal (advisor)
The bachelor thesis consists of theoretic basics and describes the design and construction of one-channel membraneless speaker. Absence of mechanical components gives the membraneless speaker no frequency limitation. The design consists of power source, control electronics, which modulates the signal, convertor and output transformer. The power source is realized by transformer, which lowers the voltage and stabilizators. Modulation is provided by integrated circuit TL 594, its duty is adjusted by potentiometer P1 and frequency by potentiometer P2. Power conversion provides dual forward converter. As a output transformer was used transformer from color television.
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DC Power Supply
Kovář, Josef ; Vorel, Pavel (referee) ; Patočka, Miroslav (advisor)
This master thesis concerns the design of DC power suply, which will be used for technological processes in engineering. This thesis concludes design of components and control curcuits for switching power supply. Output parameters of the machine will be measured.
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|
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Membraneless speaker
Kovář, Josef ; Šteffan, Pavel (referee) ; Pavlík, Michal (advisor)
The bachelor thesis consists of theoretic basics and describes the design and construction of one-channel membraneless speaker. Absence of mechanical components gives the membraneless speaker no frequency limitation. The design consists of power source, control electronics, which modulates the signal, convertor and output transformer. The power source is realized by transformer, which lowers the voltage and stabilizators. Modulation is provided by integrated circuit TL 594, its duty is adjusted by potentiometer P1 and frequency by potentiometer P2. Power conversion provides dual forward converter. As a output transformer was used transformer from color television.
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Termovinifikace
Kovář, Josef
The bachelor's thesis deals with the method of the red wine production called thermovinification. In the thesis there is detailed description of the technological process used, every single step of production is described as well. The thesis is concentrated on wine components and the impact of thermovinification on them. Thermovinification is also compared with the classical way of wine production and thesis shows its pros and cons.
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