WSEAS Transactions on Communications
Print ISSN: 1109-2742, E-ISSN: 2224-2864
Volume 15, 2016
Minimizing of Transmitting Antenna’s Reflections when Performing EMI Tests
Authors: , ,
Abstract: Within the framework of the electromagnetic compatibility tests performed on common communication systems, one of the most common tests is the immunity test according to the standard EN 61000-4-3. This test is usually processed inside a shielded anechoic chamber, meeting the appropriate standards. As the levels of the generated fields can be high and the output power of the transmitting amplifiers cannot be infinite, it is necessary to achieve a good performance of the transmitting antenna. The authors of this paper present the experiment performed in the anechoic chamber Frankonia SAC3 plus that shows that the height of the antenna above the chamber’s floor affects the antenna’s performance. Especially in vertical polarization, the performance of the antenna can be improved by slight adjustment of its height.
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Keywords: Communication Systems EMC, Immunity Test, Transmitting Antenna, Output Power, Standing Waves Ratio, Shielded Chamber
Pages: 337-344
WSEAS Transactions on Communications, ISSN / E-ISSN: 1109-2742 / 2224-2864, Volume 15, 2016, Art. #37