Radial guided 4-way unequal power divider using substrate integrated waveguide with center-fed structure

Radially-guided low-profile equal and unequal power division functions are accomplished by using substrate integrated waveguide (SIW) technology with center feeding structures and additional power/phase-control vias. The controlled positions of guiding posts provides the unequal division ratios and...

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Bibliographic Details
Main Authors: Seo, T.Y., Lee, J.W., Choon Sik Cho, Lee, T.K.
Format: Conference Proceeding
Language:English
Subjects:
Coaxial cables
Microstrip antenna arrays
Microwave antenna arrays
power divider
Power dividers
Power engineering computing
Probes
Propagation losses
Radial waveguide
Rectangular waveguides
SIW
Telecommunication computing
Waveguide transitions
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Description
Summary:Radially-guided low-profile equal and unequal power division functions are accomplished by using substrate integrated waveguide (SIW) technology with center feeding structures and additional power/phase-control vias. The controlled positions of guiding posts provides the unequal division ratios and phase variations at each port. At this time, the width of the SIW has been kept the same in spite of the shifted position of guiding posts. The electrical performances including return loss, transmission characteristics and phase variations are discussed through simulation and measured data.
ISSN:2165-4727
2165-4743
DOI:10.1109/APMC.2009.5385364