NDLI: Coupled microstrip line Wilkinson power divider with open-stubs for compensation

Content Provider	IET Digital Library
Author	Wang, X. Ohira, M. Ma, Z.
Abstract	Coupled microstrip line section is a well-known technology for various circuits miniaturisation. Because the phase velocity difference of coupled microstrip line section exists in practical circuit, compensation method is needed to maintain circuit performance. In this Letter, extra open-stubs are newly inserted between coupled microstrip line section and two output ports for compensation. Compared with previous work, by using open-stubs, a novel and flexible compensation method is newly presented, where, both Γev and Γod are adjusted for compensation at the same time, the proposed circuit not only provides simple structure and easy fabrication but also compensates arbitrary coupling strength without soldering parasitic effect in high frequency operation. Through even- and odd-mode analysis, design equations are derived and discussed in Smith chart. In experiment, one circuit was fabricated, the measurement results showed good agreement with theoretical results.
Starting Page	1314
Ending Page	1316
Page Count	3
ISSN	00135194
Volume Number	52
e-ISSN	1350911X
Issue Number	Issue 15, Jul (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/52/15
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2016.1819
Journal	Electronics Letters
Publisher Date	2016-06-27
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Compensation Coupled Microstrip Line Wilkinson Power Divider Coupling Strength Even-mode Analysis Microstrip Line Odd-mode Analysis Open-stubs Output Ports Power Divider Smith Chart Waveguide And Microwave Transmission Line Waveguide And Microwave Transmission Line Component
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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