Design of S-band Turnstile Antenna Using the Parasitic Monopole

기생 모노폴을 이용한 S-band Turnstile 안테나 설계

  • 이정수 (한국과학기술원 인공위성연구센터) ;
  • 오치욱 (한국과학기술원 인공위성연구센터) ;
  • 서규재 (한국과학기술원 인공위성연구센터) ;
  • 오승한 (한국과학기술원 인공위성연구센터)
  • Published : 2006.11.30


A turnstile antenna using the parasitic monopole has been developed for STSAT-2 TT&C application. The antenna consists of two radiating elements; a bow-tie dipole and a parasitic monopole. The bow-tie dipole is main radiating element, used a bow-tie structure for bandwidth improvement and size reduction. The parasitic monopole improved beamwidth and axial ratio. The input impedance of the antenna is about 50 ohm without a matching circuit. The proposed antenna has beamwidth of $>140^{\circ}$, axial ratio of < 3 dB and VSWR of < 1.5 in the band of $2.075{\sim}2.282GHz$.


Turnstile Antenna;Omnidirectional Antenna


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