대한전자공학회:학술대회논문집 (Proceedings of the IEEK Conference)

대한전자공학회 (The Institute of Electronics and Information Engineers)
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The Characteristic Analysis of the Cross-shaped Microstrip Slot Antenna with the Reflector for Permittivity and Height of Dielectrics

  • Jang, Yong-Woong (Dept. of Elec. Communication Keuckdong College) ;
  • Shin, Ho-Sub (Dept. of Computer and Communication Engineering, Chungbuk Nat'l Univ.) ;
  • Oh, Dong-Jin (Dept. of Electronics Engineering, Hongik Univ.)
  • 발행 : 2000.07.01
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초록

We analyzed the cross-shaped microstripline-fed slot antenna with the reflector using FDTD(Finite-Difference Time-Domain) method in this paper. The proposed antenna uses RR Duroid-5880 substrate(relative permittivity 2.2 and height(1.578 mm) of dielectrics), and compares the optimized results of other kind substrates. The maximum bandwidth of the proposed antenna is from 1.91 GHz to 5.21 GHz, which is approximately 1.437 octave for the VSWR $\leq$ 2. It was found that the bandwidth of the antenna depend highly on the length of the horizontal and vertical feedline as well as the offset position of the feedline. The experimented data for the VSWR and the radiation pattern of the antenna are also represented.

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