National Repository of Grey Literature 4 records found  Search took 0.00 seconds. 
Time Domain Measurements of Oscillators’ Frequency Stability
Háněl, Petr ; Matějka,, Štěpán (referee) ; Baran, Ondřej (advisor)
The thesis focuses on measurements of oscillators’ frequency stability. The theoretical part describes the basic concepts of measurement of frequency, measuring systems and measurement errors. The second part of thesis describes the design of measurement system. The design contains all data for build prototype and software, including all source codes.
Solar charger with embedded accumulator
Háněl, Petr ; Dušek, Martin (referee) ; Kubíček, Michal (advisor)
The mobile devices are under rapid development today and thereby they put still more challenging requirements on charging technologies. The thesis deals with design and development of an off-line charger device for travel use. It is based on an accumulator that is being charged continuously using a solar cell. Alternatively the accumulator can be charged using a standard USB port. One of the key requirements on the device was simplicity of its circuitry in order to make the device cheaper and more reliable. The device is able to supply any mobile device that is using a standard USB port.
Solar charger with embedded accumulator
Háněl, Petr ; Dušek, Martin (referee) ; Kubíček, Michal (advisor)
The mobile devices are under rapid development today and thereby they put still more challenging requirements on charging technologies. The thesis deals with design and development of an off-line charger device for travel use. It is based on an accumulator that is being charged continuously using a solar cell. Alternatively the accumulator can be charged using a standard USB port. One of the key requirements on the device was simplicity of its circuitry in order to make the device cheaper and more reliable. The device is able to supply any mobile device that is using a standard USB port.
Time Domain Measurements of Oscillators’ Frequency Stability
Háněl, Petr ; Matějka,, Štěpán (referee) ; Baran, Ondřej (advisor)
The thesis focuses on measurements of oscillators’ frequency stability. The theoretical part describes the basic concepts of measurement of frequency, measuring systems and measurement errors. The second part of thesis describes the design of measurement system. The design contains all data for build prototype and software, including all source codes.

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