An X-Band Circularly Polarized Antenna for Satellite Applications

Yun Jui Lee, Joul-Hung Lu, I-Young Tarn, Shiou-Li Chen, Shyh-Jong Chung

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations


An X-band right-hand circularly polarized antenna for satellite communication is presented. The antenna is composed of four conductive arms which wrap around each other in a helical manner. A feeding network adopted for this design consists of one T-shaped power divider and two branch line couplers. The measured 3-dR AR-bandwidth is 5.4%. The antenna gain of circularly polarized pattern is 8.76 dRic and 3 dB beamwidth is larger than 60 degree.
Original languageEnglish
Title of host publicationAsia-Pacific Microwave Conference Proceedings
Number of pages3
StatePublished - 2014


  • Quadrifilar helix antenna; circular polarization; beamwidth; satellite communication

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