E-plane probe microstrip to waveguide transition with fin-line back-short structure for millimetre-wave application

A novel E-plane probe microstrip-to-waveguide transition for millimetre-wave application is proposed. By introducing a fin-line back-short structure, tight-tolerance machining and assembling of the waveguide back-short commonly encountered with traditional E-plane probe microstrip-to-waveguide trans...

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Bibliographic Details
Published in:Electronics letters 2017-11, Vol.53 (23), p.1532-1534
Main Authors: Xu, Zhengbin, Xu, Jie, Cui, Yinjie, Juo, Jian, Qian, Cheng
Format: Article
Language:English
Subjects:
design concept
E‐plane probe microstrip to waveguide transition
fin‐line back‐short structure
insertion losses
Ka‐band transition prototype
microstrip lines
Microwave technology
millimetre‐wave application
return losses
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Description
Summary:A novel E-plane probe microstrip-to-waveguide transition for millimetre-wave application is proposed. By introducing a fin-line back-short structure, tight-tolerance machining and assembling of the waveguide back-short commonly encountered with traditional E-plane probe microstrip-to-waveguide transition are no longer necessary. A Ka-band transition prototype is designed and fabricated to validate the design concept. Simulated and measured results agree well and both of them show the proposed transition achieved good return and insertion losses over the full Ka band.
ISSN:0013-5194
1350-911X
1350-911X
DOI:10.1049/el.2017.2048