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	Digitally controllable power-supply generating current pulses with adjustable rising slope and duration Dujíček, Martin ; Hruboš, Zdeněk (referee) ; Šotner, Roman (advisor) Master’s thesis is focused on design of digitally controllable power-supply for generating current pulses with nominal level (few amperes), adjustable rising slope and time of duration. Device uses voltage controlled current source. Control voltage is generated by digital to analog converter. Computer simulations are accomplished for designed electronic circuit and measurement of prototype is done as well. Detailed record
	Current source for electron optics Vomela, Roman ; Horský, Pavel (referee) ; Kolka, Zdeněk (advisor) This master thesis focuses on the design of a precision current source for a magnetic lens. First, electron microscopy is explained because the magnetic lens, or coil, is part of the electron microscope. Then the control principle of the magnetic lens and its properties are explained. In the next section, the design of a bipolar current source and the requirements for output current stability are discussed. The thesis includes a description of the circuit diagram of the proposed current source. Finally, the current source is realized and the basic parameters, especially the stability of the output current, are measured. Detailed record
	Current source for electron optics Vomela, Roman ; Horský, Pavel (referee) ; Kolka, Zdeněk (advisor) This master thesis focuses on the design of a precision current source for a magnetic lens. First, electron microscopy is explained because the magnetic lens, or coil, is part of the electron microscope. Then the control principle of the magnetic lens and its properties are explained. In the next section, the design of a bipolar current source and the requirements for output current stability are discussed. The thesis includes a description of the circuit diagram of the proposed current source. Finally, the current source is realized and the basic parameters, especially the stability of the output current, are measured. Detailed record
	Digitally controllable power-supply generating current pulses with adjustable rising slope and duration Dujíček, Martin ; Hruboš, Zdeněk (referee) ; Šotner, Roman (advisor) Master’s thesis is focused on design of digitally controllable power-supply for generating current pulses with nominal level (few amperes), adjustable rising slope and time of duration. Device uses voltage controlled current source. Control voltage is generated by digital to analog converter. Computer simulations are accomplished for designed electronic circuit and measurement of prototype is done as well. Detailed record

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