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2006•Journal of Southwest University of Science and TechnologyRequires access

Design of EBG Microstrip Filter

Zuxue Xia

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Abstract

Based on analysis of the periodic concomitant response of model T Low-Pass Filter(LPF),a microstrip filter of Electromagnetic Band Gap(EBG) structure was designed that satisfied Bragg equation.Results of measuring the simulated model indicate that the filter has a band-stop frequency center of 12GHz with a band width of 5 to 6 GHz and a depth up to-30dB.So the second concomitant response at the frequency of 4 times the cutoff frequency successfully suppresses the microstrip model T LPF with a cutoff frequency of 3GHz.

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What this paper is about

Based on analysis of the periodic concomitant response of model T Low-Pass Filter(LPF),a microstrip filter of Electromagnetic Band Gap(EBG) structure was designed that satisfied Bragg equation.Results of measuring the simulated model indicate that the filter has a band-stop frequency center of 12GHz with a band width of 5 to 6 GHz and a depth up to-30dB.So the second concomitant response at the frequency of 4 times the cutoff frequency successfully suppresses the microstrip model T LPF with a cutoff frequency of 3GHz.

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Available abstract

Based on analysis of the periodic concomitant response of model T Low-Pass Filter(LPF),a microstrip filter of Electromagnetic Band Gap(EBG) structure was designed that satisfied Bragg equation.Results of measuring the simulated model indicate that the filter has a band-stop frequency center of 12GHz with a band width of 5 to 6 GHz and a depth up to-30dB.So the second concomitant response at the frequency of 4 times the cutoff frequency successfully suppresses the microstrip model T LPF with a cutoff frequency of 3GHz.

Key concepts: Cutoff frequency, Center frequency, Cutoff, Microstrip, Low-pass filter, Filter (signal processing), Physics, Frequency response

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