Title: Electronic Control Board for Phased Antenna Array Research and Prototyping
Authors: Pokorný, Michal
Veřtat, Ivo
Masopust, Jiří
Citation: 2022 International Conference on Applied Electronics: Pilsen, 6th – 7th September 2022, Czech Republic, p. 183-186.
Issue Date: 2022
Publisher: Fakulta elektrotechnická ZČU
Document type: konferenční příspěvek
URI: http://hdl.handle.net/11025/49879
ISBN: 978-1-6654-9482-3
Keywords: anténní pole;fázovací obvody;elektronická impedanční zátěž;ovládání anténního pole
Keywords in different language: antenna array;phasing circuits;electronic impedance load;antenna array control
Abstract in different language: Current state-of-the-art phased antenna arrays used in modern generations of mobile networks and radars in terrestrial applications or as spacecraft antennas in space applications tend to be very complex and expensive devices with many mutually coupled elements and many input/output ports that are excited with varying amplitude and phase. Also, the simulation and design of such complex antenna arrays may not be accurate due to many sources of uncertainty, such as inhomogeneity of high-frequency substrate properties over large area, manufacturing tolerances, idealized component models, etc. Therefore, simpler solutions of these antenna arrays in the form of sparse arrays, non-uniform arrays or arrays with parasitic elements are intensively studied. In this paper, we present an experimental electronic control board, which is used in our research of simplified phased array antennas. This digitally controllable board, in addition to the commonly used changes in the amplitude and phase of the propagated signal, can connect the individual antenna elements to a programmable impedance load, variable in the capacitive and inductive range. The aim of the implementation of this control electronic board is to study the influence of the mutual couplings of actively excited elements of the antenna array and parasitic elements loaded by variable impedance load on the resulting properties of the antenna arrays
Rights: © IEEE
Appears in Collections:Konferenční příspěvky / Conference Papers (KEI)
Applied Electronics 2022
Applied Electronics 2022

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