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2014•IEICE Electronics ExpressOpen access

Broadband transition between substrate integrated waveguide and rectangular waveguide based on ridged steps

Teng Li, Hongfu Meng, Wenbin Dou

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Abstract

A broadband transition between substrate integrated waveguide (SIW) and rectangular waveguide (RWG) is proposed. Five ridged steps in the RWG and a multi-section SIW are designed to expand the bandwidth. The measured results agree well with the simulations, a return loss better than 15 dB and an insertion loss less than 2.45 dB are obtained at the wide band from 23.83 GHz to 40 GHz for a back-to-back structure.

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A broadband transition between substrate integrated waveguide (SIW) and rectangular waveguide (RWG) is proposed. Five ridged steps in the RWG and a multi-section SIW are designed to expand the bandwidth. The measured results agree well with the simulations, a return loss better than 15 dB and an insertion loss less than 2.45 dB are obtained at the wide band from 23.83 GHz to 40 GHz for a back-to-back structure.

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Available abstract

A broadband transition between substrate integrated waveguide (SIW) and rectangular waveguide (RWG) is proposed. Five ridged steps in the RWG and a multi-section SIW are designed to expand the bandwidth. The measured results agree well with the simulations, a return loss better than 15 dB and an insertion loss less than 2.45 dB are obtained at the wide band from 23.83 GHz to 40 GHz for a back-to-back structure.

Key concepts: Return loss, Broadband, Waveguide, Bandwidth (computing), Materials science, Insertion loss, Substrate (aquarium), Optoelectronics

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