Metamaterial-inspired Near-field Resonant Parasitic Structure for Directional Suppression of Narrow-band EMI/RFI in Compact Systems

Andrea Ruaro, Jesper Thaysen, Kaj Bjarne Jakobsen

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This paper describes the application of an electrically small, metamaterial-inspired, near-field resonant parasitic (NFRP) element in a nearly space-less design for suppression of narrowband radio-frequency interference (RFI) and its higher-order harmonics. The design of the NFRP structure is inspired by results presented in the existing literature. The possibility of using it as a notch filter as a design integrated in a Printed Circuit Board (PCB) and its advantages over known solutions like electromagnetic bandgap (EBG) or defected ground (DGS) structures are discussed; the results for different orientations are shown. The coupling mechanism of the structure to transmission lines is briefly presented
Original languageEnglish
Publication date2013
Number of pages1
Publication statusPublished - 2013
Event2013 IEEE AP-S/USNC-URSI Symposium - Hilton Orlando Lake Buena Vista hotel, Orlando, Florida, United States
Duration: 7 Jul 201313 Jul 2013


Conference2013 IEEE AP-S/USNC-URSI Symposium
LocationHilton Orlando Lake Buena Vista hotel
CountryUnited States
CityOrlando, Florida
Internet address


  • Electromagnetic interference
  • Interference suppression
  • Metamaterials
  • Radiofrequency interference
  • Transmission lines

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