The Design of Tx 30GHz/ Rx 20GHz Dual Feeding Circular Polarized Patch Antenna Using LTCC Process

LTCC 공정을 이용한 송신 30GHz/수신 20GHz 이중급전 원형편파 패치 안테나 설계

  • 김성남 (서울시립대 전자전기 컴퓨터학부) ;
  • 오민석 (서울시립대 전자전기 컴퓨터학) ;
  • 천영민 (서울시립대 전자전기 컴퓨터학) ;
  • 최재익 (한국 전자통신연구) ;
  • 표철식 (한국 전자통신연구) ;
  • 이종문 (한국 전자통신연구) ;
  • 천창율 (서울시립대 전자전기 컴퓨터학부)
  • Published : 2004.08.01

Abstract

In this paper, circular polarized antennas of Tx 30GHz and Rx 20GHz are implemented in LTCC process. Tx antenna has a circular patch structure and Rx antenna has a ring patch structure. The feeding line of Tx antenna is placed in the center hole of Rx ring patch antenna which is printed under Tx circular patch antenna layer. It makes antenna size smaller. Tx antenna's return loss in under -l0dB level from 30GHz to 31GHz and Rx antenna is under -10 dB from 20GHz to 21GHz. The isolation between two antennas is less than -20dB. Axial ratio is less than 3dB thoughout each band.

Keywords

Ring Patch Antenna;Circular Patch Antenna;Circular Polarized Antenna;Axial Ratio

References

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