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2014-05-09

Characterization and Design of Millimeter-Wave Full-Band Waveguide-Based Spatial Power Divider/Combiner

By Kang Yin, Kedi Zhang, and Jinping Xu
Progress In Electromagnetics Research C, Vol. 50, 65-74, 2014
doi:10.2528/PIERC14031604

Abstract

The design and implementation of millimeter-wave full-band waveguide-based spatial power divider/combiner are presented in this paper. The divider/combiner is based on a compact waveguide-to-microstrip (Wg-Ms) probe-array transition structure, providing full-band frequency coverage and low insertion loss. Efficient design and analysis method for this type of power divider/combiner is developed using spectral domain method combined with the image theory. Ka-band two-way (1×2) and four-way (2×2) power combining structures are analyzed and optimized. The performances of the both optimized power dividers/combiners are evaluated by experiments in back-to-back configurations. The measured overall insertion loss for the 1×2 power divider/combiner is better than 1.4dB over the entire Ka-band, which demonstrates the low-loss performance of the divdier/combiner. The optimized 2×2 power divider/combiner shows a same performance as the 1×2 structure without any degradation in operating bandwidth and insertion loss.

Citation


Kang Yin, Kedi Zhang, and Jinping Xu, "Characterization and Design of Millimeter-Wave Full-Band Waveguide-Based Spatial Power Divider/Combiner," Progress In Electromagnetics Research C, Vol. 50, 65-74, 2014.
doi:10.2528/PIERC14031604
http://jpier.org/PIERC/pier.php?paper=14031604

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