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Programmable resistance decade
Rusnák, František ; Havránek, Zdeněk (referee) ; Kunz, Jan (advisor)
Goal of this work is design of programmable resistance decade controlled by microprocessor from the family STM32. The resistance decade will be used for testing energy harvesters. The theoretical parts deals with market research of commonly available resistor decades. The first designs of resistance decade were created. The principles of working can be multiple. The standard principle of working resistance decade is based on resistor rows switched by relays. The work also deals with solutions where is complex resistor rows replaced by electronics active components. In the practical part of this thesis, active design was designed builded and measured for all its range. Resistor decade can generate resistance from 100 Ohms to 10 mega-Ohms. Protocol SCPI allows to use this device in automated measurement.
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Automatic control of the resistive and capacitance decades in calibrator 9010
Mičulka, Martin ; Sitta, Michal (referee) ; Šedivá, Soňa (advisor)
Goal of this bachelor thesis is checking of automated calibration of resistive and capacitive decade of calibrator 9010. In the theoretical part is described a research of assumed specifications of decades, their communication and methods how to set parameters of decades. In the theoretical part is also a description of program Caliber and communication interface with multifunctional calibrator 9010. The practical part includes creations of methods in which is described creation of card of device 9010 and setting up a control points for calibration. At the end of the thesis is discussed the measurement and its results with description how to get the best results.
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Programmable resistance decade
Rusnák, František ; Havránek, Zdeněk (referee) ; Kunz, Jan (advisor)
Goal of this work is design of programmable resistance decade controlled by microprocessor from the family STM32. The resistance decade will be used for testing energy harvesters. The theoretical parts deals with market research of commonly available resistor decades. The first designs of resistance decade were created. The principles of working can be multiple. The standard principle of working resistance decade is based on resistor rows switched by relays. The work also deals with solutions where is complex resistor rows replaced by electronics active components. In the practical part of this thesis, active design was designed builded and measured for all its range. Resistor decade can generate resistance from 100 Ohms to 10 mega-Ohms. Protocol SCPI allows to use this device in automated measurement.
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|
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Automatic control of the resistive and capacitance decades in calibrator 9010
Mičulka, Martin ; Sitta, Michal (referee) ; Šedivá, Soňa (advisor)
Goal of this bachelor thesis is checking of automated calibration of resistive and capacitive decade of calibrator 9010. In the theoretical part is described a research of assumed specifications of decades, their communication and methods how to set parameters of decades. In the theoretical part is also a description of program Caliber and communication interface with multifunctional calibrator 9010. The practical part includes creations of methods in which is described creation of card of device 9010 and setting up a control points for calibration. At the end of the thesis is discussed the measurement and its results with description how to get the best results.
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