Spiral antenna with coplanar strip line feed

H. Nakano, G. Hirokawa, J. Yamauchi, K. Hirose

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

A low-profile spiral antenna composed of a small number of turns is developed as a radiation element for circular polarisation. The spiral is fed without a balun circuit from a coplanar strip line located in the middle of two conducting planes. The upper plane has a circular aperture for the spiral to radiate. The spiral arm is optimised for 11.85 GHz. An array antenna consisting of four spirals is fabricated and the radiation characteristics are presented.

Original languageEnglish
Pages (from-to)2130-2131
Number of pages2
JournalElectronics Letters
Volume28
Issue number23
DOIs
Publication statusPublished - 1992 Nov
Externally publishedYes

Keywords

  • Spiral antennas

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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