NDLI: Miniaturized Dual-Band Wilkinson Power Divider With Self-Compensation Structure

Content Provider	IEEE Xplore Digital Library
Author	Xiaolong Wang Sakagami, I. Zhewang Ma Mase, A. Yoshikawa, M. Ichimura, M.
Copyright Year	2011
Abstract	A miniaturized dual-band Wilkinson power divider with a parallel LC circuit at the midpoints of two coupled-line sections is proposed in this paper. General design equations for parallel inductor L and capacitor C are derived from even- and odd-mode analysis. Generally speaking, characteristic impedances between even and odd modes are different in two coupled-line sections, and their electrical lengths are also different in inhomogeneous medium. This paper proved that a parallel LC circuit compensates for the characteristic impedance differences and the electrical length differences for dual-band operation. In other words, the proposed model provides self-compensation structure, and no extra compensation circuits are needed. Moreover, the upper limit of the frequency ratio range can be adjusted by two coupling strengths, where loose coupling for the first coupled-line section and tight coupling for the second coupled-line section are preferred for a wider frequency ratio range. Finally, an experimental circuit shows good agreement with the theoretical simulation.
Starting Page	389
Ending Page	397
Page Count	9
File Size	4059953
File Format	PDF
ISSN	21563950
Volume Number	5
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Dual band Couplings Nonhomogeneous media Equations Mathematical model Impedance Power dividers Wilkinson power divider (WPD). Coupled-line section dual band parallel LC Wilkinson power divider (WPD) parallel $LC$
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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