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Spiral Inductors suffer from complex loss mechanism in the metal and substrate and consume large chip area making them difficult to characterize and expensive to implement. The performance of on chip spiral inductors is a limiting factor. The spiral inductor design space is complex and innovative optimization and synthesis techniques are required to maximize performance. Numerous analog circuits such...
We report a systematic investigation and design optimization of CMOS-compatible on-chip ferrite-integrated inductors, including a detailed quantitative analysis by simulation and circuit modeling, new ferrite material fabrication and characterization, and ferrite-integrated-inductor design, characterization, and optimization. A new ferrite nanopowder-mixed-photoresist spin-coating/inkjetting technique...
This paper describes modeling of on-chip Inductors and transformers for high frequency integrated circuit applications. The effects of the substrate losses, substrate capacitances, overlap capacitances between the turns of spiral and the cross-under layer, and the oxide capacitance between the spiral and the substrate are included in the analysis. This model will facilitate on-chip inductor and transformer...
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