Substrate integrated waveguide crossover formed by orthogonal TE102 resonators

A simple yet efficient substrate integrated waveguide (SIW) crossover circuit is presented. It is formed by excitation of two orthogonal full-wavelength (TE102-mode) resonators whose centers coincide with that of the symmetric SIW cross junction. Half-wavelength (TE101-mode) resonators are added in...

Full description

Saved in:
Bibliographic Details
Published in2017 47th European Microwave Conference (EuMC) pp. 17 - 20
Main Authors Hesari, Sara Salem, Bornemann, Jens
Format Conference Proceeding
LanguageEnglish
Published European Microwave Association 01.10.2017
Subjects
Bandwidth
Couplings
crossover
filter design
full-wavelength resonator
Loss measurement
Microstrip
Resonator filters
Resonators
Substrate integrated waveguide
Substrates
Online AccessGet full text

Cover

More Information
Summary:A simple yet efficient substrate integrated waveguide (SIW) crossover circuit is presented. It is formed by excitation of two orthogonal full-wavelength (TE102-mode) resonators whose centers coincide with that of the symmetric SIW cross junction. Half-wavelength (TE101-mode) resonators are added in all four ports to increase bandwidth. The SIW crossover is designed to operate at 24.75 GHz with a bandwidth of 3 GHz. A prototype is fabricated on RT/duroid 6002, and measurements agree well with simulations. The minimum measured return loss is better than 17 dB, maximum insertion loss is 1.1 dB, and isolation between the channels is better than 12 dB. Based on these results, two other crossovers with isolation better than 23 dB are proposed.
DOI:10.23919/EuMC.2017.8230788