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National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
Analog and switching audio amplifier design and comparison
 Leikep, Filip ; Roubal, Zdeněk (referee) ; Steinbauer, Miloslav (advisor)
The goal of this Bachelor thesis was to design and manufacture analogue audio-frequency amplifier working in class AB and switching amplifier in class D and measure differences between them. Analogue amplifier is designed using discrete components, simulations were done in Micro-Cap. Class D amplifier will be implemented using an integrated circuit. Further in the thesis an output USB sound card is designed. It is compatible with PC and mobile phone. Audio outputs are galvanically insulated from USB to prevent the formation of a ground loop. Soundcard has two line outputs and amplifiers for two pairs of headphones. It was also measured and compared with soundcard integrated in computer. Class AB amplifier together with soundcard were built into the aluminium box.
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Radar Altimeter for Ultralight Aircraft
 Zahradník, Jiří ; Zemčík, Pavel (referee) ; Maršík, Lukáš (advisor)
In this bachelor thesis author designs a radar altimeter. In this thesis the emphasis is placed onto modular architecture and that is why this altimeter is designed as a group of independent modules communicating through BSD sockets. Software implementation is made in C++ and for sound generator is used library PulseAudio. Next topic is multithreading safety implementation of queue and stack which was made by template class to keep simplicity and generality.
Detailed record
Radar Altimeter for Ultralight Aircraft
 Zahradník, Jiří ; Zemčík, Pavel (referee) ; Maršík, Lukáš (advisor)
In this bachelor thesis author designs a radar altimeter. In this thesis the emphasis is placed onto modular architecture and that is why this altimeter is designed as a group of independent modules communicating through BSD sockets. Software implementation is made in C++ and for sound generator is used library PulseAudio. Next topic is multithreading safety implementation of queue and stack which was made by template class to keep simplicity and generality.
Detailed record

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