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This paper presents a dual-layer Frequency Selective Surface (FSS) that exhibits a wide 4.8 GHz stop-band in 7.76–12.57 GHz frequency range. The FSS demonstrates significant 30 dB attenuation that can be effectively used to shield X-band satellite signals and other systems operating in the band. The unit cell consists of two square-loops, each printed as copper, over the opposite surfaces of FR4 can...
An efficient approach to achieve the shielding effectiveness (SE) by using a frequency-selective surface (FSS) is presented. This FSS, which consists of cross dipoles and rings printed on the opposite sides of a single-layer FR-4 substrate, exhibits a wide, 7.5-GHz stopband to provide simultaneous shielding in both X- and Ka-bands. Experimental results confirm SE of the prototype over an ultra-wide...
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