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Higher order mode suppression in triaxial cells

  • At higher frequencies the triaxial cell becomes in principle a cavity resonator which shows different resonance frequencies depending on the dimensions of the cell as well as on the size of the DUT. Above these resonance frequencies propagation of TEM waves is disturbed and measurements of screening attenuation with triaxial test method according to IEC 62153-4-15 are limited. Higher order modes respectively resonance frequencies can be suppressed by using conductive absorber material such as ferrites, nanocrystalline absorbers, magnetic absorbers or foam absorbers, placed in the Triaxial cell. With these absorbers, the frequency range of the screening attenuation measured in Triaxial cell can be extended up to several GHz.

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Author of HS ReutlingenLucicanin, Ismar; Pouhè, David
Erschienen in:Proceedings of the 65th IWCS Conference, Providence, Rhode Island, USA, October 3, 2016 - October 5, 2016
Publisher:International Wire and Cable Symposium Inc.
Place of publication:Shrewsbury, PA
Document Type:Conference proceeding
Publication year:2016
Tag:ferrite absorber; magnetic absorber; nanocrystalline absorber; screening attenuation; transfer impedance; triaxial cell; triaxial test procedure
Page Number:7
First Page:133
Last Page:139
DDC classes:620 Ingenieurwissenschaften und Maschinenbau
Open access?:Ja
Licence (German):License Logo  Open Access