<P>As the available space in the board of a mobile device becomes smaller and more compact, circuit elements and transmission lines are arranged in very close proximity, especially from the antennas which are usually installed on the same board....
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https://www.riss.kr/link?id=A107741235
2015
-
SCOPUS,SCIE
학술저널
1-12(12쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P>As the available space in the board of a mobile device becomes smaller and more compact, circuit elements and transmission lines are arranged in very close proximity, especially from the antennas which are usually installed on the same board....
<P>As the available space in the board of a mobile device becomes smaller and more compact, circuit elements and transmission lines are arranged in very close proximity, especially from the antennas which are usually installed on the same board. Due to the various on-board antennas which are designed in small space, the transmission lines on the board are electromagnetically interfered, resulting in the performance degradation of the circuit. So the engineers and circuit designers should find the least interfered place for the transmission lines and components to minimize the electromagnetic interferences. This paper discusses and presents a methodology to find the least sensitive position in the induced current distribution as well as in the noise power delivered from the antenna. For this purpose some vertical, horizontal, and bent transmission lines with antenna on the same board are designed and fabricated with and without common ground, and the transferred powers to the transmission lines were measured and were also simulated using a full-wave simulator. The results predicted by the EM simulation model were successfully confirmed through the measurement of<I>S</I>-parameters in the experimental setup, which shows the validness of the suggested analysis method.</P>
Design of a Substrate-Integrated Fabry-Pérot Cavity Antenna forK-Band Applications
Effects of Metamaterial Slabs Applied to Wireless Power Transfer at 13.56 MHz