Wide-band compact modeling of spiral inductors in RFICs
- 25 June 2003
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- Vol. 2, 717-720 vol.2
- https://doi.org/10.1109/mwsym.2002.1011727
Abstract
A new wide-band compact modeling methodology for planar spiral inductors on lossy silicon substrate is presented. The new ideal lumped-element equivalent circuit model employs transformer loops in the series branch to include the effects of the frequency-dependent losses, in particular eddy-current loss in the bulk silicon substrate. A robust automated extraction procedure is employed to extract the element values of the new compact model. The new automated modeling methodology has been applied to a typical 1.5 nH spiral fabricated on a low-resistivity CMOS substrate. The frequency-dependent series resistance and inductance as well as the quality factor obtained with the new wideband model are in excellent agreement with the measured results over a 10 GHz bandwidth.Keywords
This publication has 8 references indexed in Scilit:
- A new wideband compact model for spiral inductors in RFICsIEEE Electron Device Letters, 2002
- Characterization and modeling of multiple coupled on-chip interconnects on silicon substrateIEEE Transactions on Microwave Theory and Techniques, 2001
- CAD-oriented equivalent-circuit modeling of on-chip interconnects on lossy silicon substrateIEEE Transactions on Microwave Theory and Techniques, 2000
- Simple accurate expressions for planar spiral inductancesIEEE Journal of Solid-State Circuits, 1999
- Characterization of embedded passives using macromodels in LTCC technologyIEEE Transactions on Components, Packaging, and Manufacturing Technology: Part B, 1998
- The modeling, characterization, and design of monolithic inductors for silicon RF IC'sIEEE Journal of Solid-State Circuits, 1997
- Spiral inductors and transmission lines in silicon technology using copper-damascene interconnects and low-loss substratesIEEE Transactions on Microwave Theory and Techniques, 1997
- Complex-curve fittingIRE Transactions on Automatic Control, 1959