Frequency-independent equivalent circuit model for ferromagnetic RF integrated inductors
We have proposed a method for identifying a wide-band equivalent circuit model for ferromagnetic radio frequency (RF) integrated inductors. The equivalent circuit parameters have been extracted from measured S-parameters by using a multiobjective simplex method, which sequentially switches three dif...
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Veröffentlicht in: | IEEE transactions on magnetics 2005-10, Vol.41 (10), p.3529-3531 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | We have proposed a method for identifying a wide-band equivalent circuit model for ferromagnetic radio frequency (RF) integrated inductors. The equivalent circuit parameters have been extracted from measured S-parameters by using a multiobjective simplex method, which sequentially switches three different cost functions, given by the average of error in Y-parameters, Z-parameters, and S-parameters. With this method, the optimization converged to the global minimum without being trapped at a local minimum. Calculated Y-parameters, Z-parameters, and S-parameters were in good agreement with the measured results in the range of dc to 20 GHz. |
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ISSN: | 0018-9464 1941-0069 |
DOI: | 10.1109/TMAG.2005.854959 |