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A Design of Coaxial-to-Redial Line Adaptors in Radial Line Slot Antennas
Makoto NATORI Makoto ANDO Naohisa GOTO
IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/11/25
Print ISSN: 0000-0000
Type of Manuscript: PAPER
Category: Antennas and Propagation
Full Text: PDF(409.3KB)>>
A numerical design of a coaxial-to-radial line adaptor is presented for the use as a feed in a radial line slot antenna. To realize stable performances in mass production, the reflection from a probe type adaptor in which only the outer conductor of a coaxial line is in contact with the waveguide, is analyzed and suppressed. The tolerance for the change and the errors in the height of the waveguide as well as the bandwidth is highlighted; the advantages of the conical probe over the conventional shorting post and the coax-gap adaptor are emphasized.