Micro-strip resonator based on substrate integration waveguide

A technology for integrating waveguides and resonators on a substrate, applied in resonators, waveguide-type devices, electrical components, etc., can solve the problem of low Q value, and achieve the effect of improving Q value, easy to use, and compact design.

Inactive Publication Date: 2010-01-13
EAST CHINA JIAOTONG UNIVERSITY
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  • Abstract
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However, the Q value

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  • Micro-strip resonator based on substrate integration waveguide
  • Micro-strip resonator based on substrate integration waveguide
  • Micro-strip resonator based on substrate integration waveguide

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[0014] The patent of the present invention will be further described below in conjunction with the drawings and embodiments.

[0015] in figure 1 In the conventional CSRR resonator, the unit cell structure 1 is composed of a series of interdigital capacitors 2 and a pair of branch inductors 3, which are short-circuited to the ground plane through the through holes 5; according to the interdigital capacitors, an opening is etched in the ground plane Resonant ring 8; CSRR is a material whose dielectric constant and permeability are both negative.

[0016] The microstrip resonator of this embodiment is loaded with SIW structures 4 on both sides of the conventional CSRR resonator; as shown in Fig. 2, the SIW structure is on a low-loss dielectric substrate with metal layers on the upper and lower surfaces. A series of metal through holes 5 are realized. The signal is input from the input port 6 and output from the output port 7; the through hole 5 limits the propagation of the electro...

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Abstract

The invention relates to a micro-strip resonator based on substrate integration waveguide, belonging to the field of waveguide resonators. The micro-strip resonator is characterized in that a CSRR resonator is formed on a substrate, and then, SIW structures are loaded at both sides of the CSRR resonator; on the premise of not increasing circuit areas or processing complexity, the CSRR resonator adopting the SIW structures can effectively improve Q values, and the invention has the advantages of smart design, compact structure, easy integration and convenience in dense integrated circuits; and because of symmetry properties, the structure of the micro-strip resonator can be directly moved to a coplanar waveguide system from a micro-strip system.

Description

technical field [0001] The invention belongs to the field of waveguide resonators, and in particular relates to a frequency control device. Background technique [0002] When discussing inductor performance, the Q value is the most important measure. It is a dimensionless parameter used to compare the frequency of oscillation and the rate of energy loss. The higher the Q value, the closer the inductor behaves to an ideal lossless inductor. That is, it is more selective in resonant circuits. Another benefit of high Q is low loss, which means less energy is dissipated in the inductor. [0003] Complementary Split Resonant Ring (CSRR), originally proposed by Martin et al. It is realized by etching a split resonator ring (SRR) on the back substrate side of the coplanar waveguide transmission line. Since CSRR is a material with negative permittivity and magnetic permeability at the same time, we call it an artificial structure (or material) , to design a compact low-pass reso...

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Application Information

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IPC IPC(8): H01P7/08
Inventor 刘海文万晶
Owner EAST CHINA JIAOTONG UNIVERSITY
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