A Matched Coaxial-Radial Transmission Line Junction

Allison, R.; Eisenhart, R.L.; Greiling, P.T.

doi:10.1109/mwsym.1978.1123782

Cited by 10 publications

(1 citation statement)

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“…The same integral equations are solved for the case of a finite-length dipole in the work of Wu, et al [11]. Many papers have addressed the radiation from coaxial lines and annular apertures [12]- [14], but few have treated the case of a monopole or dipole antenna excited by a coaxial line. Chang [15] considers the related case of an infinite cylinder excited by a circumferential slot and uses quasistatic and small slot approximations to obtain solutions to the integral equations.…”

Section: Introductionmentioning

confidence: 99%

Feed models for coax-driven monopole and dipole antennas

Lockard

Butler

2006

IEEE Trans. Antennas Propagat.

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A method is presented for accurately modeling a monopole or dipole antenna fed by a coaxial line. The base of the monopole is attached to a conducting plane through which the coaxial feed line extends to the feed. The feed structures considered are easily adaptable to physically rugged forms and are simple to construct. Equivalent models for the three regions of the structure are devised and coupled integral equations for aperture fields and surface currents are formulated to enforce the boundary conditions. Three variations of the feed configuration are discussed and the reflection coefficient of the antenna feed is determined from the data obtained from the solutions of the coupled integral equations. Computed reflection coefficient values are shown to agree well with values measured on laboratory models.

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Section: Introductionmentioning

confidence: 99%

Feed models for coax-driven monopole and dipole antennas

Lockard

Butler

2006

IEEE Trans. Antennas Propagat.

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A coaxial-radial line junction with a top loading disk for broadband matchings

Shen¹,

Volakis²,

MacPhie³

1999

Microw. Opt. Technol. Lett.

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A new coaxial–radial transmission‐line junction is proposed and characterized by a rigorous full‐wave modal‐expansion method. The proposed structure modifies the conventional coaxial–radial junction by introducing a circular disk on the top plate of the radial transmission line whose parameters can be adjusted for broadband matchings. Two examples are presented to demonstrate the junction's practicality. ©1999 John Wiley & Sons, Inc. Microwave Opt Technol Lett 22: 87–90, 1999.

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Radial-line/coaxial-line junctions: analysis and equivalent circuits

Williamson

1985

International Journal of Electronics

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A Matched Coaxial-Radial Transmission Line Junction

Cited by 10 publications

References 0 publications

Feed models for coax-driven monopole and dipole antennas

Feed models for coax-driven monopole and dipole antennas

A coaxial-radial line junction with a top loading disk for broadband matchings

Radial-line/coaxial-line junctions: analysis and equivalent circuits

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