Graduate Thesis Or Dissertation
 

Analysis and modeling of single-ended and differential spiral inductors in silicon-based RFICs

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/8c97ks998

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  • A new comprehensive wide-band compact modeling methodology for single-ended spiral inductors and differential spiral inductors is presented. The new modeling methodology creates an equivalent circuit model consisting of frequency-independent circuit elements for use in circuit simulators. A fast automated extraction procedure is developed for determining the circuit element values from two-port S-parameter measurement data. The methodology is extremely flexible in allowing for accurate modeling of general classes of inductors on high or low resistivity substrate and for large spirals exhibiting distributed trends. The new modeling methodology is applied to general classes of spirals with various sizes and substrate parameters. The presented compact modeling methodology has major benefits including greatly reducing model extraction time in comparison with currently available models based on optimization methods. To demonstrate the accuracy in comparison with past models a number of measurement data sets are used for sample extractions. A developed computer program is presented and used for circuit model extractions. Results are presented when the computer program is applied to a high-volume inductor extraction. The extracted models show excellent agreement with the measured data sets over the frequency range of 0.1 to 10 GHz.
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