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Title: Modeling and characterization of on-chip interconnects, inductors and transformers
Authors: KANG KAI
Keywords: on-chip interconnects, inductors, transformers, cmos, modeling
Issue Date: 21-Jul-2008
Citation: KANG KAI (2008-07-21). Modeling and characterization of on-chip interconnects, inductors and transformers. ScholarBank@NUS Repository.
Abstract: This research focus on modeling and characterization of on-chip interconnects, inductors and transformers. Firstly, a fully scalable and SPICE-compatible interconnects model is established and this model is accurate over a wideband frequency range from DC up to 110 GHz by comparing with the measured S-parameters. In addition, this model also shows the capability to estimate the impact of metal dummy fills. Secondly, frequency- and temperature-dependent characteristics of on-chip coupled asymmetrical and symmetrical interconnects are modeled and compared with experimental results. Furthermore, an eleven-element equivalent circuit model is established for on-chip spiral inductors. The substrate skin effect is correctly characterized by this model. Additionally, a vertical tapered solenoidal inductor is designed to achieve a high resonance frequency. Finally, extensive studies on the performances of on-chip transformers with and without patterned ground shields fabricated using 0.18um RF CMOS processes are carried out at different temperatures.
Appears in Collections:Ph.D Theses (Open)

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