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2020-04-13
Integration of 0.1 GHz to 40 GHz RF and Microwave Anechoic Chamber and the Intricacies
By
Progress In Electromagnetics Research C, Vol. 101, 29-42, 2020
Abstract
The aim of this paper is to highlight and elaborate the construction and establishment of a rectangular anechoic chamber (AC) of dimensions 7 m × 4 m × 3 m working from 0.1 GHz to 40 GHz. It is an informative checklist giving an insight on the reckoning of chamber dimensions and selection of appropriate absorbers as per the required specifications. It briefs the key features of validation of an anechoic chamber, namely, shielding effectiveness and reflectivity (quiet zone). It describes the intricacies of the integration of systems such as vector network analyzer (VNA), antenna mounting stands, three-axes motorized antenna rotation control circuitry and customized software. The validation of the established chamber is accomplished for overall shielding effectiveness of -80 dB and reflectivity of -40 dB in one cubic meter area at the receiving antenna or antenna under test (AUT) region far away from transmitter say, at 5.5 m separation. This paper covers the measurement results of three broadband horn antennas which can be used as reference antennas for characterization of other antennas in the chosen frequency range. The entire report will certainly be a guideline for any reader or aspirant who is interested in the development of a similar anechoic chamber and looking for complete intricacies.
Citation
Sellakkutti Suganthi Deepal Deepak Patil Elisha Chand , "Integration of 0.1 GHz to 40 GHz RF and Microwave Anechoic Chamber and the Intricacies," Progress In Electromagnetics Research C, Vol. 101, 29-42, 2020.
doi:10.2528/PIERC19102403
http://www.jpier.org/PIERC/pier.php?paper=19102403
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