EMI reduction in multilayer PCBs using planar interdigital slot structures on the reference planes

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dc.contributor.authorBaghel, Lalit Kumar
dc.contributor.authorSis, Seyit Ahmet
dc.contributor.authorUstuner, Fatih
dc.contributor.authorKumar, Suman
dc.date.accessioned2023-02-14T14:12:40Z
dc.date.available2023-02-14T14:12:40Z
dc.date.issued2022en_US
dc.departmentFakülteler, Mühendislik Fakültesi, Elektrik-Elektronik Mühendisliği Bölümüen_US
dc.description.abstractIn mixed-signal circuits, the return currents of sensitive analog and noisy digital signals must be carefully isolated in order to protect the integrity of the analog signals. To address this issue, a common approach is to utilize slots on the reference plane between digital and analog circuits. However, the slots so created cause the discontinuity in the return current path for a signal passing over these slots which causes unintentional radiation and results in unwanted electromagnetic interference (EMI). In this regard, we propose the planar interdigital slot structures for use in reference planes of multilayer PCBs in order to provide a low impedance path for return current. The interdigital structure alleviates the return current path discontinuity and hence reduces the unintentional radiation. In addition to this, a relationship between radiated emission and transmission response is obtained, allowing the designer to tune the slot parameters to minimize radiation at the signal frequency. PCBs with different size planar interdigital slot structures are simulated in Ansys HFSS and is found that the longer digit length corresponds to better EMI reduction, especially at higher frequencies.en_US
dc.identifier.doi10.1109/MAPE53743.2022.9935171en_US
dc.identifier.endpage356en_US
dc.identifier.scopus2-s2.0-85142348566en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage352en_US
dc.identifier.urihttps://hdl.handle.net/11467/6235
dc.identifier.urihttps://doi.org/10.1109/MAPE53743.2022.9935171
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherInstitute of Electrical and Electronics Engineers Inc.en_US
dc.relation.ispartof2022 IEEE 9th International Symposium on Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications, MAPE 2022en_US
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/embargoedAccessen_US
dc.subjectelectromagnetic compatibility (EMC); electromagnetic interference (EMI); Internet of things (IoT); mixed-signal design; printed circuit board (PCB); return current discontinuityen_US
dc.titleEMI reduction in multilayer PCBs using planar interdigital slot structures on the reference planesen_US
dc.typeConference Objecten_US

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