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Journal Article
Design of Measurement Apparatus for Electromagnetic Shielding Effectiveness Using Flanged Double Ridged Waveguide
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- Authors
- Jong Hwa Kwon, Jae Ick Choi, Jong Gwan Yook
- Issue Date
- 2008-12
- Citation
- IEICE Transactions on Communications, v.E91-B, no.12, pp.4071-4074
- ISSN
- 0916-8516
- Publisher
- 일본, 전자정보통신학회 (IEICE)
- Language
- English
- Type
- Journal Article
- Abstract
- In this paper, we design and manufacture a flanged double ridged waveguide with a tapered section as a sample holder for measuring the electromagnetic shielding effectiveness (SE) of planar material in broadband frequency ranges up to 10 GHz. The proposed technique overcomes the limitations of the conventional ASTM D4935 test method at high frequencies. The simulation results for the designed sample holders agree well with the fabricated ones in consideration of the design specification of S11 <-20 dB within the frequency range of 1-10 GHz. To verify the proposed measurement apparatus, the measured SE data of the commercial shielding materials from 1 to 10 GHz were indirectly compared with those obtained from the ASTM D4935 from 30 MHz to 1 GHz. We observed that the SE data obtained by using both experimental techniques agree with each other. Copyright © 2008 The Institute of Electronics, Information and Communication Engineers.
- KSP Keywords
- 10 Ghz, ASTM D4935, Broadband frequency, Design and manufacture, Design specification, Frequency Range, High Frequency(HF), Information and communication, Ridged waveguide, Sample holder, Tapered section