Journal of the Semiconductor & Display Technology (반도체디스플레이기술학회지)

The Korean Society Of Semiconductor & Display Technology (한국반도체디스플레이기술학회)
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Electric Field Uniformity in Reverberation Chamber with 5 GHz Diffuser by Transmission Antenna

송신 안테나에 의한 5 GHz 이차 잔류 디퓨저를 적용한 전자파 잔향실의 내부 필드 균일도 변화

  • Rhee, Eugene (Department of Electronic Engineering, Sangmyung University)
  • 이유진 (상명대학교 전자공학과)
  • Received : 2021.08.28
  • Accepted : 2021.09.13
  • Published : 2021.09.30
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Abstract

In this paper, electric fields in electromagnetic reverberation chambers, which are used as a substitute facility for EM-free anechoic chambers, are analyzed. This paper focused on the 4-5 GHz band, which is expected to adversely affect equipment. To analyze the field uniformity inside the electromagnetic reverberation chamber, electric field strengths are sampled and finite-difference time-domain method was used for numerical analysis. Moreover, Quadratic residue diffuser was used to improve the characteristics of the electromagnetic reverberation chamber and the uniformity of the internal field strength. Standard deviation, tolerance characteristics, and partiality characteristics were compared while varying the aiming point of transmission antenna.

Keywords

Acknowledgement

This research was funded by a 2020 research grant from Sangmyung University.

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