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Substrate integrated waveguide (SIW) diplexer with novel input/output coupling and no separate junction

Substrate integrated waveguide (SIW) diplexer with novel input/output coupling and no separate junction

Nwajana, Augustine O. ORCID: 0000-0001-6591-5269, Dainkeh, Amadu and Yeo, Kenneth Siok Kiam (2018) Substrate integrated waveguide (SIW) diplexer with novel input/output coupling and no separate junction. Progress In Electromagnetics Research M, 67. pp. 75-84. ISSN 1937-8726 (doi:https://doi.org/10.2528/PIERM18021603)

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Abstract

A microwave diplexer implemented by using the twenty-first century substrate integrated waveguide (SIW) transmission line technology is presented. No separate junction (be it resonant or non-resonant) was used in achieving the diplexer, as the use of an external junction for energy distribution in a diplexer normally increases design complexity and leads to a bulky device. The design also featured a novel input/output coupling technique at the transmit and receive sides of the diplexer. The proposed SIW diplexer has been simulated using the full-wave finite element method (FEM), Keysight electromagnetic professional (EMPro) 3D simulator. The design has also been validated experimentally and results presented. Simulated and measured results show good agreement. The measured minimum insertion losses achieved on transmit and receive channels of the diplexer are 2.86 dB and 2.91 dB, respectively. The measured band isolation between the two channels is better than 50 dB.

Item Type: Article
Uncontrolled Keywords: SIW, diplexer
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Faculty / Department / Research Group: Faculty of Engineering & Science
Faculty of Engineering & Science > Future Technology and the Internet of Things
Faculty of Engineering & Science > School of Engineering (ENN)
Last Modified: 09 Mar 2021 16:04
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
Selected for GREAT 2019: None
Selected for REF2021: None
URI: http://gala.gre.ac.uk/id/eprint/25805

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