Design and analysis of planar spiral resonator bandstop filter for microwave frequency

6th International Conference on Mechatronics

机械制造;无线电电子学

Motakabber, S.M.A.^1 ; Suharsono, Muhammad Shaifudin^1

Department of Electrical and Computer Engineering, Faculty of Engineering, International Islamic University Malaysia, Kuala Lumpur

53100, Malaysia^1

关键词: CST microwave studio;    Design and analysis;    Logarithmic spiral;    Microwave substrates;    Performance analysis;    Rejection bandwidth;    Ultrawideband applications;    Ultrawideband microwaves;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/260/1/012016/pdf
DOI  :  10.1088/1757-899X/260/1/012016

来源: IOP

【 摘 要 】

In microwave frequency, a spiral resonator can act as either frequency reject or acceptor circuits. A planar logarithmic spiral resonator bandstop filter has been developed based on this property. This project focuses on the rejection property of the spiral resonator. The performance analysis of the exhibited filter circuit has been performed by using scattering parameters (S-parameters) technique in the ultra-wideband microwave frequency. The proposed filter is built, simulated and S-parameters analysis have been accomplished by using electromagnetic simulation software CST microwave studio. The commercial microwave substrate Taconic TLX-8 has been used to build this filter. Experimental results showed that the -10 dB rejection bandwidth of the filter is 2.32 GHz and central frequency is 5.72 GHz which is suitable for ultra-wideband applications. The proposed design has been full of good compliance with the simulated and experimental results here.