Progress In Electromagnetics Research C
ISSN: 1937-8718
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By P. Mohammadi and S. Demir

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A new multilayer power divider with Substrate Integrated Waveguide (SIW) technology is proposed. In this work, two-way and four-way power dividers realizations by two-layer and three-layer SIW, respectively, are presented. Considering the small size of the structure, extension of this method to n-way power dividers and antenna feed networks are possible, and it has the potential for integration of compact multi-layer SIW circuits. Due to the lack of a multiport counterpart of the two-port thru-reflect-line (TRL) calibration, scattering matrix of an n-way power divider must be reconstructed from measured data. A method is introduced for reconstruction of S-parameters of the n-port noncoaxial device with a two-port vector network analyzer (VNA). The two-way power divider is designed for 8.7-10.5 GHz band. Transmission coefficient about -3.5 dB and return loss below -10 dB has been measured for this two-way power divider. For four-way power divider, transmission about -7 dB in the 9.5-10.5 GHz has been achieved.

P. Mohammadi and S. Demir, "Multi-Layer Substrate Integrated Waveguide E-Plane Power Divider," Progress In Electromagnetics Research C, Vol. 30, 159-172, 2012.

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