제어로봇시스템학회:학술대회논문집

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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Effect of Adjustable Antenna Substrate Thickness on Aperture-Coupled Microstrip Antenna

  • Somsongkul, T. (ReCCIT, Faculty of Engineering King Mongkut’s Institute of Technology Ladkrabang (KMITL)) ;
  • Lorpichian, A. (ReCCIT, Faculty of Engineering King Mongkut’s Institute of Technology Ladkrabang (KMITL)) ;
  • Janchitrapongvej, K. (ReCCIT, Faculty of Engineering King Mongkut’s Institute of Technology Ladkrabang (KMITL)) ;
  • Anantrasirichai, N. (ReCCIT, Faculty of Engineering King Mongkut’s Institute of Technology Ladkrabang (KMITL)) ;
  • Wakabayashi, T. (School of Information Technology and Electronics, Tokai University)
  • Published : 2003.10.22
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Abstract

Aperture-coupled microstrip antenna is one type of microstrip antennas. This type of antenna has bandwidth wider than simple microstrip antenna. Herein, we use two substrates, that have the same dielectric constant 2.47 (PTFE-quartz) in which upper substrate is a rectangular patch. The microstrip patch is fed by a microstrip line which is printed on lower substrate, through an aperture or slot in the common ground plane of patch and microstrip feed. This antenna is analyzed by using Finite Difference Time Domain (FDTD) method the specific design frequency 10 GHz and match impedance is 50 ohms. The simulation results of its characteristics are input impedance, return loss, VSWR and radiation patterns respectively.

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