Design of Snake DGS Microstrip Filter
[1]WANG Ke,CHEN Xiao-qiang.Design of Snake DGS Microstrip Filter[J].Journal of Zhengzhou University (Engineering Science),2015,36(01):15-19.[doi:10.3969/j.issn.1671-6833.2015.01.004]
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Journal of Zhengzhou University (Engineering Science)[ISSN
1671-6833/CN
41-1339/T] Volume:
36
Number of periods:
2015 01
Page number:
15-19
Column:
Public date:
2015-01-10
- Title:
- Design of Snake DGS Microstrip Filter
- Keywords:
- defected ground structure ; equivalent circuit ; low-pass filter
- CLC:
- TN817
- Abstract:
- A snake DGS defect structure which uses snake-like gap instead of rectangular gap into the dumb-bell DGS is introduced. An equivalent circuit is built,meanwhile,the relevant circuit parameters are derived.Control variate method is used to analyze the influence of parameters variation to frequency characteristics andcircuit characteristics of the snake DGS defect structure. Furthermore,this kind of structure is put into the de-sign of low-pass filter,simulation of the designed filter and its equivalent circuit model is done separately byMATLAB and HFSS. The results of these two methods are coincident. So it can be drawn that the structurehas lower attenuation frequency and more resonant frequency in the case of maintaining the area of the defects.
- References:
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