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Fishing alarm in LPD band
Dufek, Ivo ; Šebesta, Jiří (referee) ; Frýza, Tomáš (advisor)
The main objective of this project is analysis, design and construction of three channel wireless extension box for electronics bite alarms in LPD band. Wireless ex-tension box set consist of transmitter and receiver. Both of them are based on Aurel hybrid modules and Atmel AVR microcontrollers. Microcontroller in transmitter media-tes processing input data, their coding, securing and transmitting. At the receiver side microcontroler has to interpret data from hybrid module and start correct visual and acoustic signalization. Construction of this extension box set is described in two independent chapters. The solution contains brief introduction, description of each function block, some im-portant components, general schematics, design of PCB and description of the firm-ware. The last chapter is common for transmitter and receiver and describes recom-mended antennas.
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Design and making of low-frequency power amplifier in class AB
Dušek, Martin ; Kratochvíl, Tomáš (referee) ; Brančík, Lubomír (advisor)
In this bachelor thesis I am occupied with low frequency amplifiers, theirs important parameters, classes and with integrations end-level. Next I am occupied with miscellaneous types of preamplifiers and additional circuits. There are simulated schemes of corrective preamplifier, protections scheme and high power amplifier in PSpice software in this thesis. These schemes and next additional modules are connected with DPS. This thesis contains result of measurement and photo functional sample.
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Fishing alarm in LPD band
Dufek, Ivo ; Šebesta, Jiří (referee) ; Frýza, Tomáš (advisor)
The main objective of this project is analysis, design and construction of three channel wireless extension box for electronics bite alarms in LPD band. Wireless ex-tension box set consist of transmitter and receiver. Both of them are based on Aurel hybrid modules and Atmel AVR microcontrollers. Microcontroller in transmitter media-tes processing input data, their coding, securing and transmitting. At the receiver side microcontroler has to interpret data from hybrid module and start correct visual and acoustic signalization. Construction of this extension box set is described in two independent chapters. The solution contains brief introduction, description of each function block, some im-portant components, general schematics, design of PCB and description of the firm-ware. The last chapter is common for transmitter and receiver and describes recom-mended antennas.
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Design and making of low-frequency power amplifier in class AB
Dušek, Martin ; Kratochvíl, Tomáš (referee) ; Brančík, Lubomír (advisor)
In this bachelor thesis I am occupied with low frequency amplifiers, theirs important parameters, classes and with integrations end-level. Next I am occupied with miscellaneous types of preamplifiers and additional circuits. There are simulated schemes of corrective preamplifier, protections scheme and high power amplifier in PSpice software in this thesis. These schemes and next additional modules are connected with DPS. This thesis contains result of measurement and photo functional sample.
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