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Improvement of the quality factor of RF integrated inductors by layout optimization
dc.contributor.author | López-Villegas, José M. |
dc.contributor.author | Samitier, Josep |
dc.contributor.author | Cané, Carles |
dc.contributor.author | Losantos Viñolas, Pedro |
dc.contributor.author | Bausells, J. |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament d'Organització d'Empreses |
dc.date.accessioned | 2013-12-13T18:39:51Z |
dc.date.created | 2000-01-01 |
dc.date.issued | 2000-01-01 |
dc.identifier.citation | López-Villegas, J.M. [et al.]. Improvement of the quality factor of RF integrated inductors by layout optimization. "IEEE transactions on microwave theory and techniques", 01 Gener 2000, vol. 48, núm. 1, p. 76-83. |
dc.identifier.issn | 0018-9480 |
dc.identifier.uri | http://hdl.handle.net/2117/20994 |
dc.description.abstract | A systematic method to improve the quality (Q) factor of RF integrated inductors is presented in this paper. The proposed method is based on the layout optimization to minimize the series resistance of the inductor coil, taking into account both ohmic losses, due to conduction currents, and magnetically induced losses, due to eddy currents. The technique is particularly useful when applied to inductors in which the fabrication process includes integration substrate removal. However, it is also applicable to inductors on low-loss substrates. The method optimizes the width of the metal strip for each turn of the inductor coil, leading to a variable strip-width layout. The optimization procedure has been successfully applied to the design of square spiral inductors in a silicon-based multichip-module technology, complemented with silicon micromachining postprocessing. The obtained experimental results corroborate the validity of the proposed method. A Q factor of about 17 have been obtained for a 35-nH inductor at 1.5 GHz, with Q values higher than 40 predicted for a 20-nH inductor working at 3.5 GHz. The latter is up to a 60% better than the best results for a single strip-width inductor working at the same frequency. |
dc.format.extent | 8 p. |
dc.language.iso | eng |
dc.publisher | IEEE Microwave Theory and Techniques Society |
dc.rights | Attribution-NonCommercial-NoDerivs 3.0 Spain |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
dc.subject | Àrees temàtiques de la UPC::Economia i organització d'empreses |
dc.subject.lcsh | Electric coils |
dc.subject.lcsh | Electric inductors |
dc.subject.other | Inductor layout optimization |
dc.subject.other | integrated RF inductor |
dc.subject.other | silicon micromachining for RF applications |
dc.subject.other | silicon RFIC’s |
dc.title | Improvement of the quality factor of RF integrated inductors by layout optimization |
dc.type | Article |
dc.subject.lemac | Bobines elèctriques |
dc.subject.lemac | Inductors elèctrics |
dc.identifier.doi | 10.1109/22.817474 |
dc.relation.publisherversion | http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=817474 |
dc.rights.access | Restricted access - publisher's policy |
local.identifier.drac | 12919077 |
dc.description.version | Postprint (published version) |
dc.date.lift | 10000-01-01 |
local.citation.author | López-Villegas, J.M.; Samitier, J.; Cané, C.; Losantos, P.; Bausells, J. |
local.citation.publicationName | IEEE transactions on microwave theory and techniques |
local.citation.volume | 48 |
local.citation.number | 1 |
local.citation.startingPage | 76 |
local.citation.endingPage | 83 |
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