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2004•Unpublished venueRequires access

Design of a novel broadband CPWG-to-WR transition for Ka-band satellite communications

Alexandru Takacs, D. Lillonga, H. Aubert, Junwu Tao, R. Crampagne, R. Plana, P. Pons, Jean-Christophe Cayrou

Open publisher page 3 citations

Abstract

A new broadband rectangular waveguide-to-conductor-backed coplanar waveguide (WR-to-CPWG) transition is proposed. This transition combines a low insertion loss ridged waveguide-to-microstrip transition and a membrane supported microstrip-to-CPWG tapered transition. Numerical results in Ka-band indicate less than 0.3dB of insertion loss and at least 15 dB of return loss in a 2.5 GHz bandwidth. Experimental data obtained for the membrane supported tapered transition are in good agreement with numerical results.

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What this paper is about

A new broadband rectangular waveguide-to-conductor-backed coplanar waveguide (WR-to-CPWG) transition is proposed. This transition combines a low insertion loss ridged waveguide-to-microstrip transition and a membrane supported microstrip-to-CPWG tapered transition. Numerical results in Ka-band indicate less than 0.3dB of insertion loss and at least 15 dB of return loss in a 2.5 GHz bandwidth. Experimental data obtained for the membrane supported tapered transition are in good agreement with numerical results.

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Available abstract

A new broadband rectangular waveguide-to-conductor-backed coplanar waveguide (WR-to-CPWG) transition is proposed. This transition combines a low insertion loss ridged waveguide-to-microstrip transition and a membrane supported microstrip-to-CPWG tapered transition. Numerical results in Ka-band indicate less than 0.3dB of insertion loss and at least 15 dB of return loss in a 2.5 GHz bandwidth. Experimental data obtained for the membrane supported tapered transition are in good agreement with numerical results.

Key concepts: Ka band, Return loss, Insertion loss, Broadband, Coplanar waveguide, Conductor, Microstrip, Communications satellite

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