Filters based on complementary split-ring resonators present a large notch attenuation at the resonant frequency. An application of these very low cost filters to an audio system interfered by a mobile phone is presented in this paper.
CitationGil, I. [et al.]. EMC filter based on complementary split-ring resonators for audio applications. A: EMC Compo. "EMC Compo 2009". Toulouse: 2009.
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