A Matching Spiral for a Single-Layered Radial Line Slot Antenna

Makoto ANDO  Makoto NATORI  Tamotsu IKEDA  Naohisa GOTO  

IEICE TRANSACTIONS (1976-1990)   Vol.E73   No.8   pp.1322-1325
Publication Date: 1990/08/25
Online ISSN: 
Print ISSN: 0000-0000
Type of Manuscript: LETTER
Category: Antennas and Propagation

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A numerical design of a matching spiral is proposed for the use as termination in a single-layered redial line slot antenna. The boundary element method is adopted for the analysis of unbounded radiation problems. Satisfactory performance of reflection less than 15 dB is predicted and is verified by experiments.