Broadband Microstrip-Coplanar Stripline-Fed Circularly Polarized Spiral Antenna

Wen Hua Tu, Ming Yi Li, Kai Chang

Research output: Contribution to journalConference articlepeer-review

13 Scopus citations


A wideband microstrip-coplanar stripline-fed circularly polarized spiral antenna is presented. An electromagnetic coupled wideband balun from microstrip line to coplanar stripline is developed to feed the spiral antenna. The antenna shows a measured return loss of better than 10 dB from 6.85 GHz to 11.9 GHz. The axial ratio is smaller than 3 dB from 7 to 11.5 GHz.

Original languageEnglish
Pages (from-to)3669-3672
Number of pages4
JournalIEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
StatePublished - 2006
EventIEEE Antennas and Propagation Society International Symposium, APS 2006 - Albuquerque, NM, United States
Duration: 9 Jul 200614 Jul 2006


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