The design and analysis of a Ka-band coaxial to waveguide transition

The main objective of this paper is to design and analyze a Ka-band coaxial to waveguide transition which is an indispensable component in a satellite payload system, providing the microwave signal transfer from coaxial to waveguide or vice verse. We analyze a Ka-band coaxial to waveguide transition...

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Main Authors: Heejin Kang, Piljun Park, Jaehoon Choi, Kyungwan Yu, Jin-Dae Kim
Format: Conference Proceeding
Language:English
Subjects:
Analytical models
Coaxial components
Finite difference methods
Microwave theory and techniques
Payloads
Satellites
Signal analysis
Signal design
Waveguide components
Waveguide transitions
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Piljun Park
Jaehoon Choi
Kyungwan Yu
Jin-Dae Kim
description The main objective of this paper is to design and analyze a Ka-band coaxial to waveguide transition which is an indispensable component in a satellite payload system, providing the microwave signal transfer from coaxial to waveguide or vice verse. We analyze a Ka-band coaxial to waveguide transition based on the FDTD method used by Nabarro (see IEEE Trans. Microwave Theory Tech. vol.42, p.347-50, 1994 and IEE Proc., vol.142, no.6, p.495-7, 1995). In order to simulate a real situation and to analyze the characteristics of a transition accurately, a coaxial cable is modeled by cylindrical cells, a rectangular waveguide is modeled by rectangular cells, and the connecting part between two structures are analyzed using the interpolation scheme which is based on the first order Taylor series approximation and coordinate transformation. The s-parameters and input impedances of a transition using the present approach are compared with those of HFSS and measurement.
doi_str_mv 10.1109/APS.1998.699193
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ispartof IEEE Antennas and Propagation Society International Symposium. 1998 Digest. Antennas: Gateways to the Global Network. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.98CH36, 1998, Vol.1, p.524-527 vol.1
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subjects Analytical models
Coaxial components
Finite difference methods
Microwave theory and techniques
Payloads
Satellites
Signal analysis
Signal design
Waveguide components
Waveguide transitions
title The design and analysis of a Ka-band coaxial to waveguide transition
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