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Compact modeling of differential spiral inductors in si-based RFICs

TitleCompact modeling of differential spiral inductors in si-based RFICs
Publication TypeConference Paper
Year of Publication2004
AuthorsWatson, A., Y. Mayevskiy, P. Francis, K. Hwang, G. Srinivasan, and A. Weisshaar
Conference Name2004 IEEE MTT-S International Microwave Symposium Digest
Pagination1051 - 1054
Date Published06/2004
Conference LocationForth Worth, TX

A new modeling methodology for on-chip differential spiral inductors is presented. The presented model consists entirely of frequency-independent circuit elements. An automated extraction technique is presented for determining the circuit elements from two two-port S-parameter measurement data sets. The new method allows for a single model to accurately capture the single-ended and differential operations of the device. The modeling methodology is applied to a sample differential spiral inductor. The extracted model shows excellent accuracy in comparison with device measurements over the frequency range 0.2 to 10.2 GHz.