Abstract
This paper presents a circuital approach to design a Frequency Selective Surfaces (FSSs) spatial filter. Spatial filter is used to extract the electromagnetic waves in spaces. A conducting sheet perforated with apertures or an array of periodic metallic patches constitute FSSs and it is usually designed to provide four standard spectral response: low-pass, High-pass, band-pass and band-reject. Circuital approach is used to develop a better understanding of FSSs and to attain correct model. A band-pass filter with frequency range from 2GHz–8GHz and band-stop filter with frequency range from 6GHz–13GHz was designed using FSSs. Properties of FSSs are evaluated through simple and accurate equivalent circuit. Simulation results for both filters are produced using Agilent ADS software.
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