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Microprocessor system IP core generator
Kerber, Rostislav ; Tošovský, Petr (referee) ; Kubíček, Michal (advisor)
This master’s thesis deal’s with VHDL programming language, ISE Webpack design system and PicoBlaze microprocessor. The thesis describes essentials of VHDL programming language and its application. A simple introduction to ISE Webpack design environment is given. The thesis describes common peripherals and the PicoBlaze processor is described too, including its parameters and implementation aspects. Finally the thesis describes IP generator for generating complex FPGA design including Picoblaze processor.
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Indoor optical wireless link design
Kaňa, Leoš ; Tošovský, Petr (referee) ; Hudcová, Lucie (advisor)
In last years phenomena of wireless communication technologies became a primary interest of big development laboratories whole world. Domain of point to point links which are realized by laser technology with narrow beam divergence and very sensitive photo-detectors is ordinarily used these days. This trend of using light waves as carrier medium turned interests of scientist to the sphere of wide area networks which is domain of wi-fi radio technologies. One of new trends in this sphere is also in-door free space optics. With expansion which leads to using LED's in everyday applications and with technological progress of last years, also grows tendency of most effective utilization of LED systems. The result of this effort is thought which considerate LED as source of artificial lighting and source of carrier medium for modulated signal. This kind of device must fulfill hygienic standards for illumination and also must be able to work with high frequency by which is signal modulated. These systems can provide links with sufficient capacity in order of hundred megabits.
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Wireless modular system for device control and data acquisition
Pejchal, Luboš ; Tošovský, Petr (referee) ; Kubíček, Michal (advisor)
The aim of this project is to design a cheap and simple modular wireless system. Its purpose is wireless control of remote devices and transmission of short information blocks (temperature data, status of controlled devices…). The whole system is controlled by a PC. It utilizes hybrid wireless modules for transmission of information and control of remote devices. The project shows practical usage of a digital thermometer communicating via a 1-Wire bus. A solar cell in conjunction with a DC/DC up converter is used to power low-power temperature sensor device.
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Multifunction board computer for motorcycles
Netáhlo, Tomáš ; Tošovský, Petr (referee) ; Brančík, Lubomír (advisor)
Master’s thesis deals with a design and a realization of multifunction board computer for motorcycles. The goal of the device is measuring speed, rotation speed of engine, temperature of ambient, temperature of engine, temperature in intake including signalization of overvoltage and hightemperature. The device is completed by above standard function such as measuring titl of motorcycle, climbing of route, route recording and data transmission to the computer. The thesis includes a complete solution of hardware and software part of the device.
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Microprocessor controlled testing unit
Mejzlík, Vladimír ; Tošovský, Petr (referee) ; Kolouch, Jaromír (advisor)
This project deals with the design of an autonomous microprocessor controlled testing unit for automatic controlling the output of the tested device, depending on the excitation of its inputs. There are possible realizations of testing unit hardware functional blocks described. Possible options are objectively analyzed in accord with the project specification and with regard to the mutual compatibility of individual blocks, availability, price and desired functionality. The most appropriate selected solution is implemented using the specific circuit elements. The output of the project is realized functional testing unit and elaborated product documentation. There was control software for the microprocessor of the unit written. The software implements an interpreter for the test algorithm execution, carries out the test evaluation and stores a record of the test process to the file. There was also the utility for a PC, which allows uploading tests to the testing unit via USB created.
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Low-range high-speed optical transceiver
Pučálka, Jan ; Tošovský, Petr (referee) ; Kubíček, Michal (advisor)
The diploma thesis deals with description and design of a low-cost free-space optical (FSO) link. First, general FSO theory is discussed including their common parameters, properties and topologies. Further, optical signal sources and detectors are proposed. Finally, the selected implementation is described including its design and realization. The proposed FSO consists of two identical segments (modules) to form a full-duplex link. The FSO utilizes LED as a light source, maximum speed data rate is 100 Mb/s with 100Base-TX interface.
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Programmable signal generator
Románek, Karel ; Kolka, Zdeněk (referee) ; Tošovský, Petr (advisor)
This thesis treats designing and the implementation of the Programmable Signal Generator which generates analog and digital signals using microcontroller. It describes the function of the generator, component selection and their implementation into the circuit, for example design of circuits for digital to analog conversion and the final adjustment of generated analog signals (amplification and offset setting). It also describes the communication protocol between the generator and personal computer using USB HID class, the development of graphical user interface and microcontroller firmware. Lastly, the measurement results are presented and compared with simulation results.
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Adaptive embedded data splitter
Kazelle, Kamil ; Tošovský, Petr (referee) ; Kubíček, Michal (advisor)
This diploma work aims to invent an algorithm for use of serial interface SGMII (serial gigabit multimedia independent interface) in adaptive embedded data splitter for Gigabit Ethernet standard 1000Base-T interface and also to aplicate these algorithms to FPGA circuit.
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Design of bass guitar preamplifier
Müller, Radek ; Tošovský, Petr (referee) ; Brančík, Lubomír (advisor)
This thesis deals with analog bass guitar preamplifiers and related functional blocks such as equalizers and bass effects. The first part contains a theoretical analysis of individual functional blocks preamplifiers and principles as well as an outline of the design and construction principles. In the following section is presented a design of connection that involves a bass guitar preamplifier, including an equalizer, an integrated distortion effect and an amplifier for headphone output. The proposed connections are simulated in the PSpice program and the printed circuit boards design is carried out using the Eagle program. Based on previous results, the construction of a bass guitar preamplifier is realized. The parameters of the individual blocks are measured and compared with the simulations.
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System for digital short-range wireless communication
Rébl, Miroslav ; Kolka, Zdeněk (referee) ; Tošovský, Petr (advisor)
This project includes the design of the System for digital short-range wireless communication. The methodology of the communication between net only one device type based system is proposed. The thesis describes system communication rules and used ways for protection of a correct transmission. Furthermore,the project descibes realizasion of the digital wireless communication with selected functions.
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