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Antenna Mesurement System for Small Satellites
Dovičák, Ivo ; Pospíšil, Martin (oponent) ; Urbanec, Tomáš (vedoucí práce)
Goal of this thesis was design and realization of a measurement system for measurement of reflection coefficient magnitude for connected antennas in 27-2500 MHz range. Measurement using resistive bridge is chosen as a suitable measurement method. System consists of electronic device controlled by STM32WB microcontroller unit and software for controller PC written in Python programming language using PyQt library. Communication between the device and controller PC is realized using Bluetooth interface. Circuitry for signal generation is based on Phase Locked Loop MAX2870. Device is powered from standard 18650 battery. Dimensions of the designed printed circuit board are suitable for use in CubeSat satellites. System can be used as a frequency synthesizer as well.

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