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National Repository of Grey Literature 4 records found  Search took 0.01 seconds. 
Measurement module with power over fiber
 Dvorský, Pavel ; Beneš, Petr (referee) ; Havránek, Zdeněk (advisor)
The thesis deals with design and construction of low-power measurement device with power over optical fiber. This device should measure input signal in range of 50 mV to 50 V and the results of measurement sent through optical fiber into sensing module.
Detailed record
Converter with very low input voltage
 Jaško, Michal ; Beneš, Petr (referee) ; Havránek, Zdeněk (advisor)
This Bachelor’s thesis describes a design and testing of an increasing direct voltage converter transforming light energy received by a photodiode to electrical energy with sufficient output voltage to power digital circuits. The theoretical part forms an overview of commercial circuits and the Linear Technology LTC3109 and the combination of Seiko S-822Z20 and S-8353D30MC are chosen as suitable for the further research. The function principles of these circuits are described. In the practical part the maximum output power and efficiency dependences on the internal resistance of the power source of the circuits are measured. Based on the results the characteristics of the Linear Technology circuit with different variants of the input transformers are compared. A modified Seiko circuit with an input photodiode is designed and its function is verified by laser diode powering through an optical fiber.
Detailed record
Converter with very low input voltage
 Jaško, Michal ; Beneš, Petr (referee) ; Havránek, Zdeněk (advisor)
This Bachelor’s thesis describes a design and testing of an increasing direct voltage converter transforming light energy received by a photodiode to electrical energy with sufficient output voltage to power digital circuits. The theoretical part forms an overview of commercial circuits and the Linear Technology LTC3109 and the combination of Seiko S-822Z20 and S-8353D30MC are chosen as suitable for the further research. The function principles of these circuits are described. In the practical part the maximum output power and efficiency dependences on the internal resistance of the power source of the circuits are measured. Based on the results the characteristics of the Linear Technology circuit with different variants of the input transformers are compared. A modified Seiko circuit with an input photodiode is designed and its function is verified by laser diode powering through an optical fiber.
Detailed record
Measurement module with power over fiber
 Dvorský, Pavel ; Beneš, Petr (referee) ; Havránek, Zdeněk (advisor)
The thesis deals with design and construction of low-power measurement device with power over optical fiber. This device should measure input signal in range of 50 mV to 50 V and the results of measurement sent through optical fiber into sensing module.
Detailed record

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