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Miniaturized 6:1 Wilkinson unequal power splitter based on plasmonic waveguide

A technology of plasmonic waveguide and power divider, which is applied in the direction of waveguide devices, electrical components, circuits, etc., can solve the problems of affecting other layers of multilayer boards, occupying the bottom layer, and limited improvement of power dividers, etc., to achieve large The effect of flexibility and area reduction

Active Publication Date: 2021-08-10
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Purpose of the invention: the purpose of the present invention is to solve the problem that existing power splitters are limited in improving the power division ratio, and all need to occupy the bottom layer and affect other layers in the multilayer board; and solve the existing unequal power The size of the splitter is large, which is not conducive to the limitation of device miniaturization

Method used

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  • Miniaturized 6:1 Wilkinson unequal power splitter based on plasmonic waveguide
  • Miniaturized 6:1 Wilkinson unequal power splitter based on plasmonic waveguide
  • Miniaturized 6:1 Wilkinson unequal power splitter based on plasmonic waveguide

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Embodiment

[0025] A miniaturized 6:1 Wilkinson unequal power divider based on plasmonic waveguides, which is mainly composed of two sections of inductively loaded artificial surface plasmon waveguide branches and a microstrip structure; the two sections of artificial surface The plasmonic waveguide branch consists of periodic arrangement of inductively loaded artificial surface plasmon waveguide units.

[0026] With this design, assembly is simple.

[0027] The power divider is composed of a microstrip structure with equal line width except for two sections of artificial surface plasmon waveguide branches.

[0028] The branches of the two sections of artificial surface plasmon waveguide are unilateral comb-shaped, and the comb-shaped teeth are slotted. The artificial surface plasmon-loaded inductance is welded at the slot of the comb-shaped teeth. All inductors have the same inductance value.

[0029] The inductively loaded artificial surface plasmon waveguide, through structural desig...

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Abstract

The invention discloses a miniaturized 6:1 Wilkinson unequal power splitter based on plasmon waveguide. On the basis of the traditional Wilkinson power splitter structure, two sections of inductive loading artificial surface plasmon excitation are added. Elementary waveguide branches, the branches are formed by periodic arrangement of basic units of the artificial surface plasmon waveguide loaded with inductance. The inductively loaded artificial surface plasmon waveguide unit of the present invention has a larger wave vector than the traditional artificial surface plasmon unit in a specific frequency band, and can well realize the size of the Wilkinson unequal power splitter miniaturization. The invention provides a Wilkinson unequal power divider design method suitable for constructing a high power division ratio, which can realize device miniaturization on the basis of maintaining a high power division ratio of 6:1 and good performance of the power divider.

Description

technical field [0001] The invention relates to a miniaturized 6:1 Wilkinson unequal power splitter based on a plasmon waveguide, and belongs to the technical field of new microwave devices and new artificial electromagnetic materials. Background technique [0002] Power dividers are key components widely used in various microwave circuits and wireless communication systems. Wilkinson power splitter is one of the most typical power splitters. It is convenient in design and good in performance. It can match perfectly on all ports and provide ideal isolation between output ports. The most common power divider is equal to the power division ratio. However, with the increase of the power division ratio, the traditional Wilkinson frequency divider requires microstrip or high-impedance stripline, making its non-uniform design difficult to achieve. and manufacturing. The existing typical unequal power division ratio realizes the defective ground structure and double-sided paralle...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01P5/16
CPCH01P5/16
Inventor 崔铁军张乐鹏任意牛凌云
Owner SOUTHEAST UNIV