Wideband transition between rectangular waveguide and microstrip using asymmetric fin line probe

A novel wideband waveguide-to-microstrip transition realised by inserting asymmetric fin line probe into metallic rectangular waveguide is presented. One back-to-back transition covering the Ka band is designed, fabricated and tested to show the advantages of such asymmetric fin line-probe inspired...

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Veröffentlicht in:Electronics letters 2017-03, Vol.53 (7), p.490-492
Hauptverfasser: Li, Jian, Huang, Yongjun, Li, Yi, Wen, Guangjun, Xiao, Fulin
Format: Artikel
Sprache:eng
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Zusammenfassung:A novel wideband waveguide-to-microstrip transition realised by inserting asymmetric fin line probe into metallic rectangular waveguide is presented. One back-to-back transition covering the Ka band is designed, fabricated and tested to show the advantages of such asymmetric fin line-probe inspired transition structure, and measured results consist well with simulations. An insertion loss less than 0.8 dB and a return loss better than 15 dB over 24–40 GHz are obtained for the back-to-back structure. This broadband fin line-probe transition between rectangular waveguide and microstrip can be used widely in microwave and millimetre-wave circuit and system.
ISSN:0013-5194
1350-911X
1350-911X
DOI:10.1049/el.2016.3629