변형된 접지면과 패치를 갖는 마이크로스트립 패치안테나 구현
Implementation of the Microstrip Patch Antenna with the Modified Ground Plane and Patch
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초록
이 논문에서는 패치안테나에서 사각형 모양의 패치의 대칭되는 두 가장자리를 삼각형 모양으로 절단하는 기법으로 우선회 원형 편파를 만든 패치 안테나를 기반으로 접지면에 십자 모양의 슬롯을 추가하여서 변하는 특성을 알아보았다. 안테나의 전체적인 크기는 슬롯으로 인하여 약간 감소하였고, 또한 편파를 위한 가장자리 삼각형의 절단 길이를 조절하거나 슬롯의 크기를 조절하여 우선회 편파의 특성을 변화시킬 수 있었다. 이 안테나는 중심주파수를 2.4GHz로 하여 고주파 회로 시뮬레이터를 사용하여 시뮬레이션 하였으며, 또한 비유전율이 4.4인 기판에 제작하여 회로망분석기로 측정하였으며, 이론적 결과와 시뮬레이션결과, 측정결과가 잘 일치하였다.
Abstract
The Microstrip patch antenna with the edge-truncation is designed and analyzed. This antenna elements radiate efficiently as devices on microstrip printed circuit boards. Microstrip antenna arrays consist of microstrip antenna elements, feed and phasing networks, and any other microstrip devices. This patch antenna can be used alone as single radiators or as elements of microstrip phased arrays. The most commonly used microstrip element consists of a rectangular element that is photo etched from one side of a printed circuit board. The element is fed with a coaxial feed at the side of the board between the patch strip and the ground plane through the probe. Truncating the diagonally faced two edge by the shape of the triangle in the patch, right-hand circularly polarized wave can be radiated through this antenna with the cross shape slot in the ground plane. The antenna characteristic can be varied by the controlling the size of the truncated triangle and the size of the cross slot in the ground. And the antenna, its centor frequency is 2.4GHz, was simulated using high frequency structure simulator, then was implemented with the board having the relative permittivity =4.4 and measured using network analyzer. The simulated results are well matched with the measured. The ground plane has the cross shape slot in the centor of the ground for the antenna bandwidth.
참고문헌 (10)
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