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Electrodynamic simulation of compact modification of receiving probes for optical type microwave distribution system of multi-beam APAA

Keywords:

Ye. S. Stepanov – Engineer, JSC “LEMZ R&P Corp.” E-mail: evgeniybookah@rambler.ru D. S. Gezha – Head of Engineering Department, OOO “Metriktest”. E-mail: dmitry.gez@gmail.com K. N. Klimov – Dr.Sc. (Eng.), Professor, Department of Radio Electronics and Telecommunications, MIEM NRU HSE; Leading Research Scientist, JSC “LEMZ R&P Corp.”. E-mail: const0@mail.ru


In this article the subject of research is the densified modification of receiving probes of the microwave distribution system. It is ne-cessary to save the geometrical dimensions of the receiving part of the optical type microwave distribution system of multi-beam active phased array antenna previously reviewed and to increase the number of receiving probes from 32 to 64. There are design limitations that don’t allow reducing the distance between the centers of the coaxial probes. Position of the receiving probes are inverted. The distance between the centers of the odd and even probes is unchanged. Thus, receive the channels densification without changing the dimensions. Based on the obtained data, a model has been made using Ansoft HFSS 15 software. The built model has been simulated, graphs of VSWR and losses frequency characteristics and magnetic field intensity have been obtained. In the selected modification of the receiving probes of microwave distribution system managed to achieve VSWR values no worse than 1,2.
References:

 

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May 29, 2020

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