Rigorous analysis of probe-fed printed annular ring antennas

Author

Kokotoff, David M. ; Aberle, James T. ; Waterhouse, Rod B.

Author_Institution

Dept. of Commun. & Electron. Eng., R. Melbourne Inst. of Technol., Vic., Australia

Volume

47

Issue

2

fYear

1999

fDate

2/1/1999 12:00:00 AM

Firstpage

384

Lastpage

388

Abstract

This paper presents calculated and measured results for the input impedance and radiation performance of probe-fed printed annular ring antennas. Geometries featuring stacked rings as well as shorting posts are considered. A numerical model is presented that is based on a full-wave spectral-domain moment-method solution. In this solution, a specialized attachment mode-expansion function is used to model the connection between the probe feed and the printed ring. Measured results are presented and compare well with the theory. Annular rings are found to have certain advantages over circular and rectangular microstrip antennas

Keywords

antenna feeds; antenna radiation patterns; electric impedance; loop antennas; method of moments; microstrip antennas; spectral-domain analysis; full-wave spectral-domain moment-method solution; geometries; input impedance; probe-fed printed annular ring antennas; radiation performance; shorting posts; specialized attachment mode-expansion function; stacked rings; Antenna measurements; Coaxial components; Conductors; Feeds; Geometry; Impedance measurement; Microstrip antennas; Numerical models; Patch antennas; Probes;

fLanguage

English

Journal_Title

Antennas and Propagation, IEEE Transactions on

Publisher

ieee

ISSN

0018-926X

Type

jour

DOI

10.1109/8.761079

Filename

761079