Net and partial inductance of a microstrip ground plane

A knowledge of the net inductance of the ground plane can aid in the analysis and investigation of printed circuit board emissions. In this paper, we present a method, based on the concept of partial inductance, to determine the net inductance of the ground plane associated with a microstrip line. T...

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Bibliographic Details
Published in:IEEE transactions on electromagnetic compatibility 1998-02, Vol.40 (1), p.33-46
Main Authors: Holloway, C.L., Kuester, E.F.
Format: Article
Language:English
Subjects:
Applied sciences
Cables
Conductors
Current density
Electromagnetic compatibility
Exact sciences and technology
Geometry
Inductance
Information, signal and communications theory
Integrated circuit packaging
Joining processes
Microstrip components
Printed circuits
Telecommunications and information theory
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Summary:A knowledge of the net inductance of the ground plane can aid in the analysis and investigation of printed circuit board emissions. In this paper, we present a method, based on the concept of partial inductance, to determine the net inductance of the ground plane associated with a microstrip line. This method is based on a previously derived expression for the current density on the ground plane. We show calculations for the net, self-partial, and mutual-partial inductance of the ground plane for various trace geometries of practical interest. We also illustrate how the classical transmission line inductance of a microstrip line can be obtained from the concept of partial inductance. Comparisons to different experimental results are also given.
ISSN:0018-9375
1558-187X
DOI:10.1109/15.659518