Analysis of eddy-current losses over conductive substrates with applications to monolithic inductors and transformers

In this paper, a closed-form integral representation for the eddy-current losses over a conductive substrate is presented. The results are applicable to monolithic inductors and transformers, especially when such structures are realized over an epitaxial CMOS substrate. The technique is verified aga...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 2001-01, Vol.49 (1), p.166-176
Main Authors: Niknejad, A.M., Meyer, R.G.
Format: Article
Language:English
Subjects:
Conductors
Eddy currents
Frequency
Inductors
Magnetic analysis
Magnetic fields
Silicon
Spirals
Substrates
Transformers
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Summary:In this paper, a closed-form integral representation for the eddy-current losses over a conductive substrate is presented. The results are applicable to monolithic inductors and transformers, especially when such structures are realized over an epitaxial CMOS substrate. The technique is verified against measured results from 100 MHz to 14 GHz for spiral inductors.
ISSN:0018-9480
1557-9670
DOI:10.1109/22.900004