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Optimization of voltage amplifier
Malík, Luděk ; Bartoň, Jan (referee) ; Šedivá, Soňa (advisor)
This bachelor thesis concerns the simulation and optimisation of a voltage amplifier as a part of a multifunctional calibrator 9010, which has been recently introduced by Meatest s.r.o. company. The simulation is executed with LTspice software. LTspice itself and the basics of its usage are also described in this thesis. Furthermore, this thesis contains the theoretical analysis of used components and their connetions. The thesis also depicts the schematics of the above mentioned voltage amplifier supplied by the Meatest s.r.o. company. The thesis contains measurements of selected properties of the voltage amplifier from the 9010 calibrator and their comparison with the results of the simulation. The optimisation concerns these selected properties and compares them to the original qualities of the calibrator 9010 voltage amplifier.
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Preparation of a diagnostic laboratory for accreditation
Malík, Luděk ; Polsterová, Helena (referee) ; Jandová, Kristýna (advisor)
In the diploma thesis, the process of preparation of the selected electrotechnical laboratory for accreditation is described. The thesis deals with the accreditation system of the Czech Republic, which also contains the process of an accreditation. The work contains a summary of requirements from the standard ČSN EN ISO/IEC 17025:2018. A laboratory has to meet these requirements in order to receive accreditation. Following the content of the standard, the short research of metrology is also included. The diagnostic laboratory which is being prepared for accreditation is also introduced. Direct financial expenses of the accreditation are also included. The introduction of new procedures in the laboratory in accordance with requirements from standard, inspection of the present state, inspection and creation of the controlled laboratory documentation in a way to meet requirements from standard ČSN EN ISO/IEC 17025:2018 are encompassed in the preparation for accreditation. The laboratory requires software of a suitable type to be selected, which suits accreditation and helps the laboratory maintain controlled documentation in order, as well as metrology processes.
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Preparation of a diagnostic laboratory for accreditation
Malík, Luděk ; Polsterová, Helena (referee) ; Jandová, Kristýna (advisor)
In the diploma thesis, the process of preparation of the selected electrotechnical laboratory for accreditation is described. The thesis deals with the accreditation system of the Czech Republic, which also contains the process of an accreditation. The work contains a summary of requirements from the standard ČSN EN ISO/IEC 17025:2018. A laboratory has to meet these requirements in order to receive accreditation. Following the content of the standard, the short research of metrology is also included. The diagnostic laboratory which is being prepared for accreditation is also introduced. Direct financial expenses of the accreditation are also included. The introduction of new procedures in the laboratory in accordance with requirements from standard, inspection of the present state, inspection and creation of the controlled laboratory documentation in a way to meet requirements from standard ČSN EN ISO/IEC 17025:2018 are encompassed in the preparation for accreditation. The laboratory requires software of a suitable type to be selected, which suits accreditation and helps the laboratory maintain controlled documentation in order, as well as metrology processes.
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Optimization of voltage amplifier
Malík, Luděk ; Bartoň, Jan (referee) ; Šedivá, Soňa (advisor)
This bachelor thesis concerns the simulation and optimisation of a voltage amplifier as a part of a multifunctional calibrator 9010, which has been recently introduced by Meatest s.r.o. company. The simulation is executed with LTspice software. LTspice itself and the basics of its usage are also described in this thesis. Furthermore, this thesis contains the theoretical analysis of used components and their connetions. The thesis also depicts the schematics of the above mentioned voltage amplifier supplied by the Meatest s.r.o. company. The thesis contains measurements of selected properties of the voltage amplifier from the 9010 calibrator and their comparison with the results of the simulation. The optimisation concerns these selected properties and compares them to the original qualities of the calibrator 9010 voltage amplifier.
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