Vol. 19

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2010-11-20

Substrate Integraged Waveguide Wilkinson Power Divider with Improved Isolation Performance

By Kyeongmin Kim, Jindo Byun, and Hai-Young Lee
Progress In Electromagnetics Research Letters, Vol. 19, 41-48, 2010
doi:10.2528/PIERL10082407

Abstract

This work proposes a substrate integrated waveguide (SIW) power divider employing the Wilkinson configuration for improving the isolation performance of conventional T-junction SIW power dividers. Measurement results at 15 GHz show that the isolation (S23, S32) between output ports is about 17 dB and the output return losses (S22, S33) are about 14.5 dB, respectively. The Wilkinson-type performance has been greatly improved from those (7.0 dB~8.0 dB) of conventional T-junction SIW power dividers. The measured input return loss (23 dB) and average insertion loss (3.9 dB) are also improved from those of conventional ones. The proposed Wilkinson SIW divider will play an important role in high performance SIW circuits involving power divisions.

Citation


Kyeongmin Kim, Jindo Byun, and Hai-Young Lee, "Substrate Integraged Waveguide Wilkinson Power Divider with Improved Isolation Performance," Progress In Electromagnetics Research Letters, Vol. 19, 41-48, 2010.
doi:10.2528/PIERL10082407
http://jpier.org/PIERL/pier.php?paper=10082407

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