KIEE - The Transactions of the Korean Institute of Electrical Engineers

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The Transactions of the Korean Institute of Electrical Engineers

The Transactions of the Korean Institute of Electrical Engineers

ISO Journal TitleTrans. Korean. Inst. Elect. Eng.

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Title	Matching-type Power Dividing Switch for Low Reflection in Indoor Microwave Power Distribution
Authors	최영규(Choi, Young-Kyu)
DOI	https://doi.org/10.5370/KIEE.2013.62.6.792
Page	pp.792-797
ISSN	1975-8359
Keywords	Microwave power distributor ; Microwave energy transmission ; Waveguide-based power divider
Abstract	In a indoor microwave power distribution system, matching-type power dividing switch is proposed and designed with a various power dividing ratio. A matching coaxial cable probe is used behind the output probe for the reflecting power absorption. Reflecting characteristics of the matching coaxial cable probe are calculated by analyzing the S-parameter of this structure. Newly proposed matching-type switch shows a very low return loss less than -30dB at the operating frequency of 2.45GHz with a dividing power ratio of 50.2%. The simulated results by use of 3-stage power divider shows a good agreement with the theoretical estimation for the various combination of the different switching ratio.

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