Modern RFICs have achieved an impressively high integration level, making cross-coupling effects among different sections of the circuit a potential limit to their functionality. Integrated spiral inductors occupy a significant chip area and are a potential source of EM interference. This paper investigates the coupling effects between two planar spiral inductors. A physical model for the single inductor is introduced, valid for any kind of excitation (single-ended, differential and also common-mode). The model is then extended to correctly reproduce the coupling behavior under any kind of excitation.
A Lumped Element Phisical Model for Symetrical Spiral Inductors and their Cross-Talk in silicon RFICs / F., Vecchi; M., Repossi; Mazzanti, Andrea; P., Arcioni; F., Svelto. - STAMPA. - (2007), pp. 474-476. (Intervento presentato al convegno International Symposium on Microwave and Optical Technology (ISMOT) tenutosi a ROMA nel Dicembre 2007).
A Lumped Element Phisical Model for Symetrical Spiral Inductors and their Cross-Talk in silicon RFICs
MAZZANTI, Andrea;
2007
Abstract
Modern RFICs have achieved an impressively high integration level, making cross-coupling effects among different sections of the circuit a potential limit to their functionality. Integrated spiral inductors occupy a significant chip area and are a potential source of EM interference. This paper investigates the coupling effects between two planar spiral inductors. A physical model for the single inductor is introduced, valid for any kind of excitation (single-ended, differential and also common-mode). The model is then extended to correctly reproduce the coupling behavior under any kind of excitation.
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