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Design and Study of a Wide-Band Printed Circuit Board Near-Field Probe

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Design and Study of a Wide-Band Printed Circuit Board Near-Field Probe

dc.contributor.author	Martínez Delgado, Pedro A.
dc.contributor.author	Navarro Camba, Enrique Antonio
dc.contributor.author	Victoria, Jorge
dc.contributor.author	Suárez Zapata, Adrián
dc.contributor.author	Torres, Jose
dc.contributor.author	Alcarria, Antonio
dc.contributor.author	Pérez Soler, Joaquín
dc.contributor.author	Amaro, Andrea
dc.contributor.author	Menéndez Márquez, Abraham
dc.contributor.author	Soret Medel, Jesús
dc.date.accessioned	2021-10-22T17:06:51Z
dc.date.available	2021-10-22T17:06:51Z
dc.date.issued	2021
dc.identifier.citation	Martínez Delgado, Pedro A. Navarro Camba, Enrique Antonio Victoria, Jorge Suárez Zapata, Adrián Torres, Jose Alcarria, Antonio Pérez Soler, Joaquín Amaro, Andrea Menéndez Márquez, Abraham Soret Medel, Jesús 2021 Design and Study of a Wide-Band Printed Circuit Board Near-Field Probe Electronics 10 18 2201
dc.identifier.uri	https://hdl.handle.net/10550/80515
dc.description.abstract	Magnetic near-field probes (NFP) represent a suitable tool to measure the magnetic field level from a small electromagnetic interference (EMI) source. This kind of antenna is useful as a magnetic field probe for pre-compliance EMC measurements or debugging tasks since the user can scan a printed circuit board (PCB) looking for locations with strong magnetic fields. When a strong H-field point is found, the designer should check the PCB layout and components placement in that area to detect if this could result in an EMI source. This contribution focuses on analyzing the performance of an easy to build and low-cost H-field NFP designed and manufactured using a standard PCB stack-up. Thereby, the frequency range and sensitivity of the NFP-PCB are analyzed through a Finite Element Method (FEM) simulation model that makes it possible to evaluate its sensibility and effective frequency range. The numerical results obtained with the FEM models are validated against measurements to verify the design and performance of our NFP. The FEM model reproduces the experimental procedure, which is used to evaluate the performance of the NFP in terms of sensitivity by means of the simulated near-field distribution. The NFP-PCB has almost a flat response from 180 MHz to 6 GHz, with an almost perfect concordance between numerical and experimental S21 results. The numerical results show an average transmission loss of −27.9 dB by considering the flat response bandwidth, whereas the experimental one is −29.7 dB. Finally, the designed NFP is compared to two high-quality commercial probes in order to analyze its performance.
dc.language.iso	eng
dc.relation.ispartof	Electronics, 2021, vol. 10, num. 18, p. 2201
dc.subject	Electromagnetisme Mesuraments
dc.subject	Antenes (Electrònica)
dc.title	Design and Study of a Wide-Band Printed Circuit Board Near-Field Probe
dc.type	journal article	es_ES
dc.date.updated	2021-10-22T17:06:52Z
dc.identifier.doi	10.3390/electronics10182201
dc.identifier.idgrec	148384
dc.rights.accessRights	open access	es_ES